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Tell Craig about the log cabin, approximate size and postcode. You do not need a finished specification to start.
Specialist foundation installation
Log Cabin Bases & Foundations
A log cabin base must support its floor bearers accurately and keep the lowest wall timbers away from persistent moisture.
50+ years
Family groundwork experience
Full 10-year
Written JustBases guarantee
Call Craig directly
Friendly practical advice
One clear price
Written foundation scope
Still comparing the options? What Is the Best Base for a Log Cabin? Comparing the Practical Options
Start with what you want to build
The right foundation for your log cabin
Interlocking log walls are particularly dependent on a level, square starting point. A small error at foundation level can become a visible problem at doors, windows and roof lines as the cabin is assembled.
Bearer support
Support lines and fixing points need to correspond with the cabin floor plan.
Explore the details →Accurate geometry
The base is checked for level, diagonals and finished dimensions before handover.
Explore the details →Moisture separation
Damp protection, airflow and surrounding drainage are coordinated with the floor design.
Explore the details →Expected use
A simple seasonal cabin and a heavily equipped year-round room can require different specifications.
Explore the details →Three easy steps
From first call to a finished foundation
Getting started is simple. We will guide you through the choices and explain any information needed before installation.
Talk through the options
We discuss the site and suitable foundations, identify any supplier information needed and provide a clear written quotation.
Install and hand over
Our team marks out and installs the agreed foundation, with the required checks before the next stage of your project.
Choose the foundation, not the complication
Foundation options for your log cabin
These are the methods worth assessing for this application. The structure, support plan and actual ground determine the right choice—not a one-size-fits-all specification.
Installed ground screws
Ground screws and support frame
Ground screws with a designed support frame can follow the cabin bearer layout and raise timber away from damp ground. The ground and loads determine the final specification.
Worth considering for: Cabins on slopes, landscaped sites and projects where a dry construction method is helpful
Installed screws from £1,180 for 8' × 6' (48 ft² / 4.46 m²); frame quoted separately
Ask about this option →
Concrete
Concrete foundation
A reinforced or suitably specified concrete base provides a rigid full-area platform when the manufacturer requires one.
Worth considering for: Large cabins, concentrated internal loads and designs intended for slab support
From £795 for 8' × 6' (48 ft² / 4.46 m²)
Ask about this option →
Raised timber
Raised timber frame
A raised treated frame can accommodate changing levels, provided its supports and member sizes follow the cabin requirements.
Worth considering for: Lighter cabins and accessible sites where underfloor ventilation is desirable
From £840 for 8' × 6' (48 ft² / 4.46 m²)
Ask about this option →Clear prices, agreed scope
Compare the base options
These examples come from our central standard-base price schedule. They are starting points for comparison, not confirmation that a particular size or specification is right for your application.
No VAT is added to the guide prices shown.
Get your exact written priceView the full base price guide| Base size | Installed ground screws | Concrete | Raised timber |
|---|---|---|---|
| 8' x 6' 2.4m x 1.8m 48 ft² / 4.46 m² | £1,180 | £795 | £840 |
| 10' x 6' 3m x 1.8m 60 ft² / 5.57 m² | £1,220 | £945 | £985 |
| 10' x 8' 3m x 2.4m 80 ft² / 7.43 m² | £1,280 | £1,145 | £1,195 |
Ground-screw prices cover installed screws only; the support frame is quoted separately. Raised-timber prices use suitable concrete or composite posts. Access, ground, levels and the agreed design can change the price. Ask us for sizes without a published guide price.
Easy to start, free to ask
Tell us about your log cabin
You do not need drawings or a finished specification before getting in touch. Send what you have and Craig will explain the useful next step.
Helpful details, if available
- Cabin supplier and model
- Floor-bearer drawing
- Planned internal use
- Access photographs
- Site postcode
Talk to Craig
Craig will listen to what you are planning and help establish the foundation information that matters.
Online quote requests are normally answered within 24 hours, excluding weekends.
Request your free quote
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
Log Cabin Foundations installation
Planned around its use
What matters for your log cabin
We prepare the foundation around the actual floor-bearer diagram, not a guessed nominal cabin size. The appropriate system may be a concrete slab, a raised frame on ground screws or another supplier-approved arrangement.
Discuss your project with Craig →Bearer support
Support lines and fixing points need to correspond with the cabin floor plan.
Accurate geometry
The base is checked for level, diagonals and finished dimensions before handover.
Moisture separation
Damp protection, airflow and surrounding drainage are coordinated with the floor design.
Expected use
A simple seasonal cabin and a heavily equipped year-round room can require different specifications.
When the design and ground are suitable
Why consider ground screws?
Year-round flexibility
A screw-only foundation avoids pouring and curing concrete, reducing one source of weather-related delays. Unsafe access, flooding, frozen or unsuitable ground can still mean postponing installation.
Less digging and mess
Localised supports can reduce excavation and spoil compared with extensive concrete foundations. Clearance, pre-drilling, service trenches and machinery access may still disturb the site.
A lower-impact approach
Using less concrete and moving less spoil can reduce material use and transport. Retaining vegetation may benefit habitats, but trees and wildlife still need protection. Steel manufacture and the full project design matter to any carbon comparison.
Before installation
Dimensions, approvals and responsibilities
Cabin suppliers often distinguish between external wall size, roof size and required base size. The installation document or bearer plan is the safest setting-out reference.
Intended use matters. Sleeping accommodation, plumbing, commercial use or a position near a boundary can change the planning or building-control questions beyond the base itself.
JustBases quotes the agreed foundation and groundwork. Product installation, specialist connections, commissioning and third-party design remain outside our scope unless the written quotation expressly includes them.
Genuine customer feedback
A full 10-year JustBases guarantee
Our full written guarantee covers installation workmanship and the foundation materials we supply, subject to your quotation. Read what customers say about our foundation work below, with the original job types and sources shown.
"I couldn't recommend Craig highly enough! Communication prior to the job was outstanding even considering our ever changing goal posts. Craig and his team turned up exactly at the agreed time, were well presented, friendly and professional. The cleanliness, attention to detail and quality of the job was outstanding."
— Verified Customer
Checkatrade · BH16 · 2020-05-27
Work listed by the source: Log cabin foundation
"Good standard of workmanship. Friendly and efficient. Prompt response for estimate and fitted into our timescale. Will be using the firm in future and thoroughly recommend them."
— Verified Customer
Checkatrade · SP6 · 2019-09-16
Work listed by the source: Concrete base for new summerhouse
"Craig and his team were very professional throughout the job. They worked tirelessly and extremely hard. The job involved digging up a thick reinforced concrete base. Then creating a whole new base with precision engineering in preparation to accept a new building on top. The result was an excellent job all round."
— Verified Customer
Checkatrade · BH24 · 2021-11-30
Work listed by the source: Building foundations and landscaping
Our service area
Foundation installation across the South
For this application we cover Dorset, Hampshire, South Wiltshire. Tell Craig the postcode and we will confirm the suitable installation options and travel requirements.
Straight answers before you decide
Log Cabin Foundations FAQs
It shows where the cabin transfers load into the foundation. Supporting the outline alone may leave internal bearers without the support the manufacturer intended.
Still unsure? Send Craig a short enquiry and we will help with the next step.
Related applications
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Level foundations for timber summerhouses, from compact garden retreats to larger multi-room buildings.
Explore this application →Workshop Bases
Robust bases for timber workshops, steel workshops and large Megashed-style buildings.
Explore this application →Glamping Pod Foundations
Manufacturer-led foundations for individual pods and multi-unit rural accommodation sites.
Explore this application →Tell us what you want to build
An outline of the project and your postcode are enough to start.