Question 1

What is the best type of base for a greenhouse in Bournemouth?

Accepted Answer

For most Bournemouth greenhouses, paving slabs are the recommended choice. They provide a perfectly level surface, allow natural drainage between the joints, and work extremely well on Bournemouth's sandy Poole Basin soil. The gaps between slabs let excess water escape rather than pooling inside the greenhouse. For larger or heavier structures — such as a brick-base Victorian greenhouse — poured concrete offers greater load-bearing strength. Ground screws are ideal if you have tight access through a narrow side alley in Charminster or want to avoid disturbing mature tree roots in Talbot Woods. We'll always recommend the right option for your specific garden.

Question 2

Why does a greenhouse need a proper base?

Accepted Answer

A greenhouse frame is precision-engineered — every glazing bar and glass panel is designed to fit within tight tolerances. If the base isn't perfectly level, the frame twists slightly, creating gaps where panels meet. These gaps let cold air in, warm air out, and rain through — defeating the purpose of the greenhouse entirely. On Bournemouth's sandy soil, an unprepared surface can settle unevenly within months as the ground compacts under weight. A properly installed base with compacted MOT Type 1 aggregate underneath prevents this movement and ensures your greenhouse stays square, sealed, and stable for decades.

Question 3

How does Bournemouth's sandy soil affect greenhouse base installation?

Accepted Answer

Bournemouth sits on Eocene-era sands of the Poole Basin, giving the town predominantly sandy, free-draining soil. This is great for drainage but presents a compaction challenge. Sandy soil can shift and settle under load if it isn't prepared correctly. We excavate to a suitable depth, lay a compacted MOT Type 1 aggregate sub-base (typically 75-100mm), and then install your chosen surface — slabs or concrete — on top. This two-layer approach ensures the base won't sink or tilt over time, even in the loose sand found in Southbourne and Boscombe gardens.

Question 4

Do greenhouse bases need drainage?

Accepted Answer

Yes — and this is one of the reasons paving slabs are so popular for greenhouses. The small gaps between slabs allow water to percolate down naturally, preventing puddles from forming inside the greenhouse. This is particularly important if you plan to water directly on the greenhouse floor or if condensation drips from the roof. In Bournemouth, the sandy soil beneath provides excellent natural drainage in most locations. For gardens in lower-lying areas like Charminster or Iford, where water can collect after storms, we may recommend adding a drainage channel along the perimeter of the base to direct runoff away from the structure.

Question 5

How much does a greenhouse base cost in Bournemouth?

Accepted Answer

Our greenhouse base prices start from £510 for a 9x5 paving slab base, £595 for an 8x6 poured concrete base, and £1,650 for an 8x6 ground screw base with timber frame. The final price depends on the base size, type, and your garden's specific conditions. Factors that may affect the quote include difficult access (narrow side alleys in Winton or Charminster), slope correction, waste removal distance, and any skip permits needed for busy roads. Your quote includes all materials, labour, and waste removal — no hidden extras. Send us your greenhouse dimensions and a garden photo for a free, same-day quote.

Question 6

Can you install a greenhouse base in a narrow terraced garden?

Accepted Answer

Absolutely — this is one of our specialities in Bournemouth. Many of the Victorian and Edwardian terraces in Charminster, Southbourne, Winton, and Boscombe have narrow side alleys as the only route to the back garden. We own retractable micro-diggers just 700mm wide that can fit through a standard doorway. For greenhouse bases, we can also carry slab materials by hand if needed. If even our micro-diggers can't fit, ground screws offer a compact alternative with minimal equipment footprint. Send us a photo of your access point and we'll confirm what's possible.

Question 7

Do I need planning permission for a greenhouse in Bournemouth?

Accepted Answer

In most cases, no. A domestic greenhouse typically falls under permitted development rights, meaning you don't need to apply to BCP Council for planning permission. The key conditions are: the greenhouse must be single-storey, it mustn't cover more than 50% of your garden, and it must be positioned behind the front elevation of the house. In Conservation Areas — including parts of Westbourne and Talbot Woods — greenhouses over 10m² may need permission. If your property is a listed building, you'll always need consent. We install the base only and can't provide planning advice, but BCP Council's planning portal is the best resource for checking.

Question 8

What size greenhouse base do I need?

Accepted Answer

Your greenhouse base should match the external footprint of your greenhouse frame exactly — not the internal growing area. Most greenhouse manufacturers provide the required base dimensions in their product specifications. Common sizes include 6x4, 8x6, 10x8, and 12x8 feet. If you've ordered from a supplier like Stewarts or Coastal Garden Buildings near Bournemouth, share the manufacturer's base plan with us and we'll ensure a perfect match. Getting this measurement wrong by even a few centimetres can cause major problems with frame alignment and glazing, so precision really matters.

Question 9

How long does greenhouse base installation take?

Accepted Answer

Most greenhouse bases in Bournemouth are completed within a single day. Paving slab bases and ground screw installations are typically ready for immediate use — your greenhouse can go on straight away. Poured concrete bases require 24-48 hours of curing time before the greenhouse frame can be placed on top. For larger bases (over 10x8) or gardens with challenging access or slope issues, the installation may extend to a second day. We'll confirm the exact timeline when we provide your quote, and we always coordinate with your greenhouse supplier's delivery schedule so everything runs smoothly.

Question 10

Should I orient my greenhouse east-west or north-south?

Accepted Answer

In Bournemouth, we recommend orienting the ridge of your greenhouse east-west for most growers. This presents the widest face to the south, capturing maximum sunlight — especially the low winter sun that's critical for keeping your greenhouse warm from October through March. South-facing gardens in Southbourne and Westbourne are ideal for year-round growing. If your garden is north-facing or shaded by tall buildings, positioning the greenhouse at the sunniest end of the plot makes a big difference. We're happy to advise on the best position when we visit or review your garden photos.

Question 11

Can you build a raised greenhouse base for a sloping garden?

Accepted Answer

Yes. Many Bournemouth gardens — particularly in Charminster, Moordown, and parts of Winton — sit on sloping ground. We offer two solutions: for gentle slopes, we can build up the low side of a paving slab base with additional sub-base material to create a level surface. For steeper gradients, ground screws with a raised timber frame are often more practical and cost-effective, creating a perfectly level platform without extensive excavation. A level base is non-negotiable for greenhouses — even a small tilt will cause doors to stick, glass panels to misalign, and rainwater to pool at one end rather than draining evenly.

Question 12

Do you coordinate with greenhouse suppliers?

Accepted Answer

Yes. Many of our Bournemouth customers order their greenhouse from local suppliers like Stewarts Garden Centre or Coastal Garden Buildings, and then book us to install the base before delivery. We work directly from the manufacturer's base dimensions to ensure a precise fit. We're also happy to coordinate timing — we'll have your base ready and waiting so the greenhouse can go straight on when the supplier delivers. If you've already chosen your greenhouse, share the model details with us when you request your quote.

Question 13

What areas of Bournemouth do you cover for greenhouse bases?

Accepted Answer

We cover every postcode from BH1 through to BH11. This includes Bournemouth Town Centre, Westbourne, Southbourne, Boscombe, Pokesdown, Charminster, Winton, Moordown, Wallisdown, Kinson, Bear Cross, Ensbury Park, Talbot Woods, Meyrick Park, Queen's Park, Littledown, Iford, Tuckton, Throop, Strouden Park, and Springbourne. We're based in nearby Ringwood, making Bournemouth a core part of our service area. We also cover neighbouring Christchurch, Poole, Ferndown, and the New Forest villages.

Question 14

Is a paving slab base or concrete base better for a greenhouse?

Accepted Answer

For most domestic greenhouses in Bournemouth, paving slabs are the better choice. They offer built-in drainage through the joints between slabs, they're ready for immediate use (no curing time), and they provide a clean, tidy finish that looks good alongside your garden. Concrete bases are superior for very large or heavy greenhouses, or if you need a completely sealed surface — for example, if you're using heated matting on the floor. On Bournemouth's sandy soil, both options perform well when installed on a proper sub-base. We'll recommend the right one based on your greenhouse model and growing plans.

Question 15

Are there tree preservation orders I need to worry about?

Accepted Answer

Possibly, yes. Many Bournemouth properties — especially in Talbot Woods, Meyrick Park, Queen's Park, and parts of Charminster — have trees protected by Tree Preservation Orders (TPOs). Excavating for a conventional slab or concrete base near a protected tree could damage roots, which is a criminal offence. Ground screws are the solution here — they're driven into the ground between roots with minimal disturbance, satisfying TPO requirements while still providing a solid greenhouse foundation. Check BCP Council's interactive tree map or give us a call — we'll advise on the best approach for your garden.

Question 16

Do you remove all waste after installing a greenhouse base?

Accepted Answer

Yes, complete waste removal is included in every fixed-price quote. We remove all excavated soil, old paving, rubble, and packaging materials from your garden. On busy Bournemouth roads like Wimborne Road or Christchurch Road, we arrange grab lorries or skip permits with BCP Council as needed — all factored into your quote. We work with licensed recycling centres and aim to recycle over 90% of excavated material. Your garden is left clean, tidy, and ready for your greenhouse delivery.

Question 17

Do you erect or assemble greenhouses?

Accepted Answer

No — we specialise exclusively in base installation and do not erect or assemble greenhouses. For professional greenhouse erection in Bournemouth, we recommend: Coastal Garden Buildings — based at Stewarts Garden Centre in nearby Christchurch, family-run since 1979, offering greenhouse supply and installation across the BH postcode area. Southwest Greenhouse Installers — Dorset-based father-and-son team specialising in greenhouse assembly, repairs, and glazing for all major brands including Rhino, Elite, and Robinsons. Greenhouse Installation — professional greenhouse erection service covering Dorset and Hampshire, offering site assessment, frame assembly, and glazing. We're happy to coordinate timing so your base is installed, level, and ready before your greenhouse erector arrives.

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