Finance to Build Polytunnels for Polytunnel Farming

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    Finance to Build Polytunnels for Polytunnel Farming

    Gable Business Finance specialises in providing flexible, tailored finance for UK farmers and agricultural businesses looking to build, upgrade or expand polytunnel infrastructure. Whether you grow soft fruit, salads, herbs, vegetables, or you’re using polytunnels for livestock housing and industrial shelters, we help you access the structures you need without putting pressure on your working capital.

    Why Polytunnels Are Vital to Modern UK Agriculture

    Polytunnels are one of the most important pieces of infrastructure in British agriculture today. They offer a cost-effective alternative to permanent glasshouses and provide a controlled, protected microclimate that helps farmers to:

    • Extend the growing season
    • Increase yields and harvest reliability
    • Protect high-value crops from weather extremes
    • Diversify into new crops and production systems
    • Improve livestock welfare and winter housing options

    From small family-run holdings to large commercial operations, polytunnels are now a standard feature of the UK farming landscape. They support everything from early carrots and overwintering salads to large-scale strawberry production and specialist herb enterprises, as well as flexible, airy housing for sheep, calves and cattle.

    Gable Business Finance helps growers and producers turn polytunnel plans into reality, using structured asset finance to spread the cost and match repayments to seasonal income patterns.

    Key Benefits of Polytunnels for UK Farmers

    1. Season Extension and Climate Control

    The UK’s short, unpredictable growing seasons can make outdoor cropping risky. Polytunnels create a warmer, sheltered microclimate that allows farmers to:

    • Start seedling production earlier in spring
    • Plant out crops earlier and avoid late frosts
    • Harvest later into autumn and even winter
    • Achieve near year-round production for hardy crops with additional heating

    By controlling temperature, humidity and airflow, polytunnels reduce crop stress and improve consistency, helping growers secure contracts and supply retailers with reliable volumes.

    2. Protection Against Unpredictable British Weather

    Polytunnels provide protection from:

    • Heavy and prolonged rainfall
    • Strong winds and storms
    • Hail and snow events
    • Frost pockets and sudden cold snaps

    This protection not only improves plant health but also reduces weather-related diseases such as blight, rust and mildew, helping to lower input and crop-loss costs.

    3. Increased Yield, Quality and Market Value

    By stabilising conditions, polytunnels enable crops to reach their full genetic potential. The result is:

    • Higher yields per square metre
    • More uniform produce
    • Better size, colour and shelf life
    • Greater appeal to wholesalers, processors and retailers

    This improved quality often commands premium prices, particularly for soft fruits, salad greens and speciality crops that rely on appearance and freshness.

    4. Cost-Effective Infrastructure Compared to Glasshouses

    While glasshouses offer exceptional control, they come with high construction and maintenance costs. Polytunnels provide a practical middle ground:

    • Significantly lower upfront capital cost
    • Faster construction time
    • Simple to repair and re-cover
    • Potential to relocate or reconfigure as needs change

    This makes polytunnels accessible to a wide range of growers, from smallholders and new entrants to established commercial producers.

    5. Crop Diversification and New Revenue Streams

    Polytunnels open the door to a wide range of higher-value crops that would struggle outdoors in the UK climate. This supports farm resilience and diversification.

    Common Crops Grown in Polytunnels

    Polytunnels are a backbone of the UK’s protected cropping sector. Some of the most common and profitable polytunnel crops include:

    • Soft Fruit: An estimated 80% of British strawberries are grown under polytunnels, alongside raspberries, blackberries and other berries.
    • Salad Leaves & Lettuces: Mixed salad leaves, baby leaf, spinach, rocket and lettuce blends for retail and foodservice.
    • Warm-Climate Vegetables: Tomatoes, cucumbers, peppers, chillies and aubergines.
    • Herbs: Basil, coriander, parsley, dill, mint and other culinary herbs.
    • Early Root Vegetables: Carrots, beetroot and early potatoes to capture early-season premiums.
    • Speciality Crops: Niche vegetables, microgreens and ethnic crops for specialist markets.

    With polytunnels, growers can tailor production to specific market needs, test new lines and react quickly to shifting consumer demand.

    Types of Polytunnels and Agricultural Structures You Can Finance

    Gable Business Finance can arrange funding for a wide variety of polytunnel types and related structures, including:

    1. Heavy-Duty Commercial Polytunnels

    Designed for professional growers, these structures typically include:

    • Galvanised steel or reinforced tubular frameworks
    • Durable, UV-stabilised polythene covers
    • Widths from around 18ft to 30ft or more
    • Scalable lengths to match crop area requirements
    • Options for roll-up sides, end doors and vents for precise climate control

    2. Single-Span Polytunnels

    Ideal for small to medium commercial operations and intensive cropping blocks, single-span tunnels provide:

    • Lower cost per tunnel
    • Easy site layout configuration
    • High light transmission and airflow
    • Simple access for hand labour and small machinery

    3. Multi-Span Polytunnels

    For large-scale salad, vegetable or soft fruit production, multi-span complexes offer:

    • Large continuous covered areas
    • Shared heating and irrigation systems
    • Easier crop management and logistics
    • Efficient use of space for machinery and picking teams

    4. Shade Tunnels & Canopy Structures

    These are especially useful for ornamentals, nursery stock and shade-loving crops, as well as covered working areas. Features often include:

    • Shade netting instead of or alongside polythene
    • Canopy roofs over work areas or access roads
    • Flexible designs for plants, people or machinery

    5. Insulated Polytunnels

    Where extra protection is needed (for example, for overwintering plants, sensitive crops or specialist propagation), insulated tunnels can be used with:

    • Double skin covers
    • Thermal screens
    • Supplementary heating or hot water systems

    6. Livestock Housing Polytunnels

    Polytunnels are increasingly used as livestock housing for sheep, calves and cattle due to their excellent ventilation, natural light and cost-effective construction. These can range from smaller overwintering shelters to large multi-span cattle housing systems.

    7. Mobile Work Shelters & Industrial Covers

    Polytunnel-type structures are also widely used as mobile work shelters, machinery bays and container canopy covers, giving farms flexible, movable covered space wherever it’s needed on the yard.

    Planning Permission & Regulations for Polytunnels

    Polytunnels on farms often benefit from permitted development (PD) rights, but there are important rules to consider before construction.

    Permitted Development for Agricultural Polytunnels

    In general:

    • Farms over 5 hectares can usually erect agricultural buildings up to 1,500m² under PD rights.
    • Farms between 1 and 5 hectares often have a limit of 1,250m².
    • The structure must be reasonably necessary for agriculture on that unit.

    Although many polytunnels fall comfortably within PD criteria, growers should always confirm with their local planning authority.

    When Planning Permission is Likely to Be Needed

    You will often need to seek planning permission if:

    • The structure is particularly large, high or visually prominent.
    • Permanent groundworks are required (e.g. concrete floors, retaining walls).
    • The land use is changing away from agriculture (e.g. an events venue or tourism use).
    • The site is in a National Park, Area of Outstanding Natural Beauty (AONB) or Conservation Area.
    • The development forms part of a grant application that requires formal planning consent.

    Farming Rules for Water & Sustainable Drainage

    Farmers must also comply with regulations aimed at preventing water pollution and managing run-off. For polytunnel developments, this may include:

    • Designing Sustainable Drainage Systems (SuDS) for larger sites (typically over 100m²).
    • Managing run-off from polythene covers to prevent nutrient and soil loss.
    • Ensuring that roof water does not contaminate nearby watercourses or gateways.

    Good planning at the outset will help avoid regulatory issues and ensure the development supports both environmental protection and long-term farm profitability.

    How Asset Finance Works for Polytunnels

    Yes, UK farmers can absolutely use asset finance to fund polytunnels. Rather than paying the full cost upfront, you spread the investment over an agreed term using the polytunnel itself as security for the finance. This approach is widely used for agricultural equipment and infrastructure projects.

    Asset-Backed Finance

    Because the polytunnel is the asset that secures the lending, this type of finance can be more accessible and competitive compared with unsecured borrowing. It allows you to unlock essential infrastructure without tying up other assets.

    Common Equipment Finance Products for Polytunnels

    Hire Purchase (HP)

    With Hire Purchase:

    • You pay a deposit (in many cases) and then fixed instalments over an agreed term.
    • At the end of the term, you own the polytunnel outright.
    • You can spread the cost over the useful life of the asset.

    Finance Lease

    Under a finance lease:

    • You rent the polytunnel for a fixed period.
    • At the end, you may have options to continue leasing, upgrade, or purchase via a secondary rental or sale arrangement.
    • This can suit growers who want flexibility or plan regular infrastructure upgrades.

    Operating Lease

    For certain short-to-medium term requirements, an operating lease may be appropriate, particularly where you don’t wish to own the asset long term but need the operational benefits during its prime years.

    Structured Repayments to Match Cash Flow

    Farm cash flows are often seasonal. Gable Business Finance can help structure polytunnel finance repayments to match your income patterns, including:

    • Monthly repayments
    • Quarterly repayments
    • Annual repayments
    • Seasonal repayment profiles (e.g. higher payments during harvest months)

    What Polytunnel Finance Can Be Used For

    Asset finance for polytunnels can typically cover:

    • New commercial polytunnel structures
    • Single-span and multi-span complexes
    • Livestock housing polytunnels
    • Shade tunnels, canopy structures and mobile work shelters
    • Groundworks and foundations (subject to lender criteria)
    • Fittings such as irrigation, ventilation and internal layout systems

    Benefits of Polytunnel Finance for Your Farming Business

    1. Preserve Working Capital

    Polytunnels can be a significant investment, especially when installing multiple bays or multi-span structures. Asset finance allows you to acquire the infrastructure without a large one-off capital outlay, keeping cash free for:

    • Seed, plants and youngstock
    • Feed and bedding
    • Fertiliser and crop protection
    • Labour costs
    • Energy and fuel

    2. Manage Cash Flow and Seasonality

    Through structured repayment plans, you can align finance with your earning profile. For example, soft fruit and vegetable growers can make higher payments during peak harvest months and lower payments in quieter periods.

    3. Increase Productivity and Capacity

    New or expanded polytunnel infrastructure can rapidly boost your productive capacity, enabling you to:

    • Increase planted area
    • Grow more lucrative crops
    • Serve new markets or contracts
    • Improve labour efficiency

    4. Potential Tax and VAT Advantages

    If your business is VAT registered, you may be able to recover VAT on eligible equipment, depending on the finance structure used. Finance products may also have potential tax advantages (always seek professional advice from your accountant for your specific circumstances).

    5. Support Long-Term Business Growth

    By leveraging finance, you can invest earlier and at a larger scale than might be possible using savings alone, allowing you to capture opportunities and build a more resilient, future-ready farming business.

    Polytunnels for Livestock Housing

    Polytunnels aren’t just for plants. Across the UK, many farmers now use polytunnel structures as livestock housing for sheep, calves and cattle. These systems provide a bright, airy, cost-effective alternative to traditional buildings, promoting good animal health and welfare while keeping capital costs under control.

    Benefits of Polytunnel Livestock Housing

    • Excellent Ventilation: The curved shape and high ridge create natural airflow, helping to remove moisture, reduce humidity and lower the risk of respiratory disease.
    • Natural Light: Translucent covers allow diffuse daylight into the building, supporting natural behaviours and reducing stress.
    • Dry, Warm Bedding: Polytunnels can maintain dry straw yards during winter, improving comfort and minimising disease risk.
    • Fast Construction: Structures can often be erected in days or weeks instead of months.
    • Flexible Use: Tunnels can be repurposed for machinery storage, hay and straw, handling pens, or general farm storage outside housing seasons.
    • Lower Capital Cost: Typically far cheaper than permanent steel-framed or brick livestock buildings.

    Sheep Housing Polytunnels

    Polytunnels are especially popular for:

    • Lambing sheds
    • Overwintering ewes and store lambs
    • Dry housing before and after shearing
    • Temporary housing in extreme weather

    Airy, light-filled buildings support good mothering, easier monitoring and comfortable working conditions for shepherds during busy lambing periods.

    Calf Housing Polytunnels

    Young calves benefit significantly from the warmth and dryness of a well-designed polytunnel environment. These structures can:

    • Provide a dry, draught-free environment with plenty of fresh air
    • Help reduce the incidence of pneumonia and scours
    • Allow easy visual monitoring across the entire group
    • Accommodate individual pens, group pens or straw yards

    By promoting calf health and lowering mortality, polytunnel housing can support better performance and lifetime productivity for dairy and beef animals.

    Multi-Span Polytunnel Housing for Larger Herds

    As farms grow, multi-span polytunnel houses are increasingly common for dairy herds and beef cattle. The advantages include:

    • Housing large numbers of animals under one roof
    • Improved airflow and reduced moisture build-up compared with some traditional sheds
    • Efficient feeding, scraping and bedding operations
    • Space for machinery to operate indoors during poor weather

    Polytunnels as Industrial Structures: Mobile Work Shelters & Canopy Systems

    In addition to crops and livestock, polytunnel-type structures are increasingly used as flexible industrial and operational shelters on farms and agri-business sites. They provide quick, movable covered space wherever needed, often at a fraction of the cost of permanent buildings.

    Mobile Work Shelters

    Mobile polytunnel work shelters are used for a wide range of tasks, including:

    • Sorting, grading and packing vegetables during harvest
    • Temporary covered space for staff during inclement weather
    • On-farm workshop areas for machinery repair and maintenance
    • Temporary storage for equipment and supplies

    Because these shelters can be relocated, they offer exceptional flexibility for farms that need to adapt their operations quickly.

    Container Canopy Structures

    Polytunnel-style canopies are frequently installed over shipping containers or between containers and existing buildings to create:

    • Covered loading and unloading bays
    • Bulk storage areas
    • Outdoor workshops protected from rain
    • Packing and processing corridors

    These canopy systems maximise yard space, keep staff and produce dry, and help maintain productivity in all weather conditions.

    Case Studies: How Gable Business Finance Supports Polytunnel Projects

    Below are detailed examples of how Gable Business Finance has helped UK farmers and growers invest in polytunnels for crops, livestock and industrial uses through flexible asset finance.

    Case Study 1: Large Market Garden Expands with Multi-Span Polytunnels

    A successful market garden in the Midlands wanted to expand its production of salad leaves and spinach, but lacked covered space. The business planned a multi-span polytunnel complex with automated irrigation, roll-up sides and internal paths for electric harvest trolleys.

    However, the upfront cost of the project was substantial. Gable Business Finance arranged a hire purchase agreement that covered the full structure and installation. Repayments were structured to align with the farm’s peak spring and summer harvest receipts.

    Within two seasons, the business had increased its cropped area under cover by 40%, secured more reliable supply contracts with local retailers, and significantly boosted overall turnover.

    Case Study 2: Soft Fruit Grower Installs Heavy-Duty Berry Tunnels

    A Herefordshire soft fruit farm specialising in strawberries and raspberries needed to expand production to meet supermarket demand. The grower planned several new heavy-duty commercial tunnels with table-top growing systems and fertigation lines.

    Gable Business Finance provided a flexible finance lease that spread the cost over five years. Seasonal repayment profiles meant that higher payments fell during the main picking season, easing winter cash flow.

    The new tunnels not only increased volume but also improved fruit quality and allowed earlier and later cropping, helping the farm secure premium pricing and extended supply contracts.

    Case Study 3: Herb Producer Moves to Controlled-Environment Polytunnels

    A specialist herb farm in West Sussex supplying restaurants and farm shops wanted more control over temperature and humidity for basil, coriander and mint crops. The farm invested in insulated polytunnels with internal thermal screens and upgraded irrigation.

    Gable Business Finance arranged asset finance that included the structures, groundworks and internal systems. By moving production into controlled environments, the farm reduced crop losses, improved flavour consistency and secured new restaurant customers seeking high-quality British herbs.

    Case Study 4: Domestic-Scale Grower Transitions to Commercial Production

    A family farm in the North of England had operated a successful domestic-scale garden business selling plants and vegetables locally. Demand outgrew their small greenhouse and ad-hoc structures. They decided to install their first commercial-grade polytunnel to move into full commercial production.

    Through a modest hire purchase package with Gable Business Finance, the farm funded a single-span tunnel, raised beds and basic irrigation infrastructure. Within a year, they were supplying local shops, cafes and a weekly farmers’ market, and are now planning a second tunnel.

    Case Study 5: Sheep Farm Builds Dedicated Lambing Polytunnel

    A hill farm in Wales was experiencing challenging lambing seasons due to unreliable weather and limited indoor space. The farmer wanted a dedicated lambing tunnel where ewes and newborn lambs could be housed in warm, dry conditions.

    Gable Business Finance provided funding for a robust livestock polytunnel with reinforced hoops, ventilation options and internal lambing pens. The cost was spread over five years on a fixed-rate hire purchase agreement.

    In the first season, the farm reported improved lamb survival rates, easier monitoring and reduced labour stress. The lambing tunnel is now used year-round for both winter housing and as a sheltered area before and during shearing.

    Case Study 6: Dairy Farm Installs Polytunnel Calf Housing

    A dairy operation in Somerset needed to expand its calf housing quickly but wanted to avoid the high cost of constructing a new permanent building. They opted for a polytunnel-based calf unit with straw yards, automatic drinkers and adjustable vents.

    Gable Business Finance structured an agreement that included both the tunnel and internal fit-out. The farm saw immediate improvements in calf health and growth rates, with lower incidence of pneumonia and improved daily liveweight gains. Staff also benefited from a bright, easily managed working environment.

    Case Study 7: Beef Enterprise Creates Multi-Span Winter Housing

    A finishing unit in North Yorkshire decided to replace several small, ageing sheds with a multi-span polytunnel housing system for beef cattle. The new structure offered increased headroom, better airflow and simpler feeding routes.

    Gable Business Finance arranged a finance lease covering the tunnel frames, covers and feed barriers. By centralising housing under one larger roof, the farm lowered bedding costs, improved bedding dryness and reduced overall labour time per animal.

    Case Study 8: Vegetable Producer Uses Mobile Work Shelter for Harvest Operations

    A large vegetable grower in Lincolnshire needed a covered area for grading and packing produce during the busy autumn harvest. Outdoor packing stations were frequently disrupted by heavy rain and high winds.

    Gable Business Finance funded a mobile polytunnel work shelter that could be relocated between different fields and yard areas. The structure allowed the business to maintain continuity in harvest operations, reduce crop waste and protect staff from the elements.

    Case Study 9: Mixed Farm Installs Container Canopy for Machinery & Storage

    A mixed arable and livestock farm in Lancashire wanted a cost-effective way to create a covered workshop and storage area. They installed a polytunnel-style canopy between two shipping containers, creating a sheltered bay for machinery servicing and parts storage.

    Gable Business Finance provided a simple finance package covering the canopy structure. The farm now benefits from an all-weather maintenance space, reducing downtime and improving machinery longevity.

    Why Choose Gable Business Finance for Polytunnel Funding?

    • Agricultural Specialism: We understand the realities of farming, seasonality and the practical demands of polytunnel projects.
    • Flexible Finance Structures: Hire purchase, leasing and seasonal repayment profiles tailored to your business.
    • New and Existing Farms: We work with established operators, new entrants and family businesses alike.
    • Finance for Full Projects: Structures, groundworks, fittings and associated equipment can often be included.
    • Fast Decisions: Streamlined processes designed for busy farmers who need timely decisions.
    • Dedicated Support: A knowledgeable team guiding you through from initial enquiry to completion.

    Frequently Asked Questions About Polytunnel Finance

    1. Can I finance both crop and livestock polytunnels?

    Yes. Gable Business Finance can provide funding for polytunnels used for horticulture, soft fruit, vegetable production, livestock housing, mobile work shelters and canopy structures, subject to standard lending criteria.

    2. Can the finance include groundworks and installation?

    In many cases, yes. Subject to lender approval, finance can often cover the structure, installation and some associated groundworks, allowing you to fund much of the project through one solution.

    3. Do I need planning permission before applying for finance?

    You should always clarify planning requirements with your local authority before committing to a large project. Some polytunnels fall under permitted development, but others — especially in sensitive areas or of significant scale — may require full permission.

    4. Do you offer seasonal repayment options?

    Yes. We understand that many farming incomes are seasonal. We can work with you to build a repayment profile that reflects your cash flow, such as higher payments during harvest or peak sales periods.

    5. What finance terms are available?

    Typical terms range from 1 to 7 years, depending on the size and nature of the project, the type of structure and your business circumstances.

    6. Can I finance multiple polytunnels as part of one project?

    Absolutely. Many growers fund multi-span complexes or several single-span tunnels under a single finance arrangement, especially when expanding rapidly or upgrading infrastructure across the farm.

    7. Is VAT reclaimable on polytunnels?

    If your business is VAT registered, you may be able to reclaim VAT on eligible equipment and structures. The exact position will depend on your circumstances and the type of finance product used. Always ask your accountant or tax adviser to confirm.

    8. Can I upgrade or expand before the finance term ends?

    In many cases, yes. We can discuss options such as refinancing, early settlement or additional facilities to fund expansions and upgrades as your business grows.

    9. How quickly can a decision be made?

    Decision times vary depending on the complexity of the proposal, but many straightforward applications can be assessed and agreed in a short timeframe, helping you move quickly on time-sensitive projects such as seasonal builds.

    10. How do I get started?

    Simply contact Gable Business Finance for a free, no-obligation discussion about your polytunnel plans. We’ll talk through the options, get to know your farm and objectives, and provide tailored finance solutions to support your project.

    Ready to Finance Your Polytunnel Project?

    Whether you are planning a new multi-span soft fruit site, upgrading your salad production, building livestock housing, or installing mobile work shelters and canopy structures, Gable Business Finance can help you fund it in a way that works with your cash flow and long-term plans.

    Get in touch today to discuss polytunnel finance options for your farm or agri-business and take the next step towards a more productive, resilient and profitable future.