Reduced spoil route
No full-area excavation through the property.
Ground screw foundations in Winchester
A level garden-building foundation with less excavation, fewer heavy materials and no wait before the frame can begin.
Ground screws in Winchester
Winchester properties often combine established planting, changing levels and a valuable route to the back garden. Ground screws can support a framed building without excavating the whole footprint or moving large quantities of concrete and aggregate through the site.
Craig and the installation team take care of the support layout, ground assessment and finished level. To start, you only need an idea of the building and its approximate size.
Straightforward from enquiry to installation
Tell us what you plan to build; we will guide you through everything else.
Share the building type, approximate size and Winchester postcode.
We answer the practical questions, visit if useful and give you a clear written price.
The team installs and laser-levels the screws so the frame can follow immediately.
Easy to start, free to ask
Share the building size and your Winchester postcode, or simply call Craig. You do not need drawings or technical details to start—we will guide you through anything else we need.
Talk to Craig about your ground screw base
Not sure where to begin? Craig will listen to what you need and explain the easiest next step.
Online quote requests are normally answered within 24 hours, excluding weekends.
Just give us your contact details and a short description of what you want to build. We will guide you through the rest.
Your enquiry
Ground screw installation in Winchester
Local knowledge, handled by us
Winchester sits across chalk hills and the Itchen valley, so garden ground and levels can vary within a short distance. That local context informs our work, but it is not something the customer needs to diagnose.
We assess the actual building position, select a sensible approach and monitor installation before confirming the finished support grid.
Why choose ground screws?
No full-area excavation through the property.
The frame can bridge measured height changes.
Compatible timber remains clear of direct ground contact.
Framing can follow acceptance.
Common applications
From garden rooms and offices to sheds and studios, ground screws create a strong, level base without filling your garden with excavated soil or wet concrete.
Insulated rooms with designed base frames.
Creative and professional-use garden spaces.
Compatible timber structures.
Practical foundations for timber garden workshops.
How we create the foundation
Each support is placed from the building dimensions, driven with professional high-torque equipment and checked as part of the complete frame-ready grid.
1 Measured positions align the supports with the future frame.
We measure, square and mark the building area before positioning the screws in pilot points.
2 Professional machinery and laser checks create the level grid.
Purpose-built machinery drives the screws firmly while a laser controls their finished height.
3 Artist’s impression Artist's impression showing the finished building above its support frame.
The completed supports are checked and can take the agreed timber or steel frame straight away.
Transparent guide prices
Guide prices for common garden-building sizes, based on a standard installation. The two options make it clear whether JustBases or another supplier is providing the frame.
| Building size | Installed ground screws Frame by others | Installed screws + timber frame |
|---|---|---|
| 8' x 6' 2.4m x 1.8m 48 ft² / 4.46 m² | £1,180 | £1,650 |
| 10' x 8' 3m x 2.4m 80 ft² / 7.43 m² | £1,280 | £1,750 |
| 12' x 10' 3.6m x 3m 120 ft² / 11.15 m² | £1,400 | £1,850 |
| 16' x 10' 4.8m x 3m 160 ft² / 14.86 m² | £1,500 | £2,050 |
| 20' x 10' 6m x 3m 200 ft² / 18.58 m² | £1,600 | £2,450 |
These are guide prices for standard installations. Your free written quotation confirms the exact price for your building and garden, including any support frame supplied by JustBases. Larger or unusual foundations are priced individually.
A simpler way to build the base
Ground screws can be especially effective in Winchester where a cleaner route through an established garden and less excavation are valuable benefits.
| Factor | Ground screw foundation | Excavated concrete or aggregate base |
|---|---|---|
| Property access | Steel supports and machinery route | Spoil, aggregate and concrete route |
| Chalk or masonry | Hard obstructions may stop positions | Wider digging may expose and remove them |
| Slope | Can support a raised frame on suitable ground | May need more digging or built-up levels |
| Start of framing | After final checks | After cure |
We recommend the foundation that fits the real project. Craig can also explain JustBases' alternative systems if a different base would be more suitable.
Easy to arrange
Avoiding a full excavation can mean fewer heavy deliveries and much less spoil leaving the garden—helpful for central homes, terraced properties and carefully landscaped plots.
You do not need a detailed route survey before calling. Send a photo if convenient, and we can visit when seeing the access is the quickest way to plan it.
Built to last, backed in writing
In suitable conditions, the specified hot-dip galvanised ground screws have an expected in-ground lifespan exceeding 50 years.
Our full ten-year guarantee covers JustBases workmanship and the ground-screw foundation materials we supply, with the project scope and limitations provided in writing.
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Helpful local information
Many domestic garden buildings fall within permitted development. Whether yours does will normally depend on the completed building's height, use, position and property—not simply the type of foundation.
Winchester City Council's conservation and planning maps are useful for particular properties. They can be checked alongside the project and do not stop you asking us for an initial quote.
You do not need to settle every planning detail before speaking with us. The links are here if they help, and Craig is happy to explain which parts relate to the base.
Still choosing your garden building?
Still selecting the office, studio or room? These independent businesses may help. Once you know the approximate footprint, we can discuss its base.
Independent links for convenience; inclusion is not a JustBases endorsement.
Customer feedback
Selected feedback about our workmanship, reliability and service. The review source and publication date are shown on each card.
“Amazing job. Lovely lads and did an excellent job really professional. Tidied up really well. Thank you guys. Would not hesitate in hiring these guys they really helped me out after a disastrous attempt by a neighbour!”
Ruth, Andover
MyBuilder · 7 October 2025
Work listed by the source: Shed base
“Craig and his team have been fantastic. Had the team over twice now to help with our garden project and both times I've been super impressed with the work. The team are extremely hard working but most important to me is the quality of their workmanship. The fencing looks amazing and the cabin was spot on in terms of dimensions and perfectly level. I would highly recommend.”
Verified customer, SO53
Checkatrade · 28 January 2024
Work listed by the source: Garden fencing and cabin base
“Excellent, kept me fully informed when held up by weather, great job and a pleasure to have around.”
Verified customer, BH21
Checkatrade · 6 March 2018
Work listed by the source: Concrete base for workshop + gravel path
Questions? We are happy to help
If your question is not covered, call Craig on 01202 039753.
We cover central Winchester, Weeke, Fulflood, Stanmore, Harestock, Badger Farm, St Cross and surrounding villages.