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Swift Foundations

Swift Foundations Contact Details

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Beckhouse Farm, Top Barn
County Yorkshire
YO17 8ED
United Kingdom

About Swift Foundations

Whether you’re laying a large foundation for a log cabin, timber-built office or simply preparing a lightweight base for a shed, greenhouse or log store, Swift Foundations provide economic and eco-friendly solutions.

Swift Plinth Foundations

The Swift Plinth is an amazing foundation solution offering a cost-saving and easy alternative to concrete foundations.
Whether you’re laying a large foundation for a log cabin, timber-built office, choose the right Swift Plinth Foundation System for your job. Here are some of the advantages of using pre-cast Swift Plinth foundations:
  • No wet-mix needed so no curing time and less mess
  • Adjustable in height so can be installed on sloping and undulating ground
  • Non-invasive foundations for use near trees
  • Removable and reusable foundations suited to Sites of Special Scientific interest, (SSSI) Areas of Outstanding Natural Beauty, (AONB) and archeological sites
  • Minimal excavation needed so minimal spoil created
  • SWL's of 1, 2.5, 5 and 11 tonnes according to model
  • Taller plinths and stacker stones available

Heavy Duty
A professional pad foundation system for heavy-duty applications.

Suitable Uses
  • Large Log Cabins
  • Large Garden Offices/Studios
  • Cricket Pavilions
  • Static Caravans
  • SIPS Buildings
  • Timber Frame Buildings
  • Domestic & Commercial Use
Medium Weight
A professional pad foundation system for medium foundation applications.

Suitable Uses
  • Small to Medium Log Cabins
  • Garden Offices/Studios
  • Sport Pavilions
  • Static Caravans
  • SIPS Buildings
  • Timber Frame Buildings
  • Domestic & Commercial Use


The UK’s Original Plastic Grid Foundation System
EcoBase is specifically designed to provide a firm, strong, durable and well-drained foundation for outdoor buildings and structures.
When choosing your EcoBase grid system, always check the size of area you need and the weight to be placed upon the grid system.

We have two types of grid for you to choose from, both designed to ensure value for money for whatever project you have. Both systems are lightweight, quick and easy to assemble and require no specialist skills.

Swift Foundation Raft

A complete foundation and raft system for garden buildings that is ready to use, quick to assemble, and comes complete with all materials and fixings. It is suitable to support both buildings and decking.
The timber frame construction of the raft will support a variety of timber-framed buildings especially self-build, self-assembly and DIY kits delivered in flat-pack format.

The Swift Foundation Raft is an alternative to using wet-mix concrete as the foundation for a garden building or portable building. Delivered in kit form designed for self-assembly, it is quicker to create and makes less mess than using wet-mix, whilst providing a strong, durable and level base for your building.

Swift Deck Complete Garden Decking Kits

Build your own decking area in the back garden with our easy-to-use, ready-to-assemble complete garden decking kit.

Everything that you need to create your own decking is included – precast concrete foundations, timber beams for the frame, decking boards and all fixings. Assembly is quick and needs only basic hand tools.
  • Pre-cast height adjustable concrete foundations
  • C24 6x2" structural timber frame
  • 32mm thick dual sided decking boards
  • Strip of artificial Fascia grass to dress edges
  • CR12 steel rust-resistant plinth brackets
  • Bright zinc plated screws and fixings
Create your own professional-looking decking area in the back garden without the need to employ a builder, carpenter or landscape gardener, and without all the hassle of designing the decking area and building it yourself from scratch.

Swift Deck is a complete garden-decking kit that contains all the materials you need to create your ideal decking area.

For any other questions or enquiries, please contact us!

Reviews & Testimonials for Swift Foundations

5 star review
April 10, 2021
I just used these for a new building , not only are they very well made they saved me all the hassle of a tradtional concrete foundation. There was no mess and me & my son installed a foundation for a 10 m x 5 m wide wooden lodge in 8 hours. The support from Martin at swift is excellent . Highly recommend swift foundations , I will be using again for sure.
Review by
5 star review
September 19, 2019
I would and have been recommending Swift Foundations as not only is it a great product and easy to use and if like my project access is poor and all materials have to go through the house then this is the product to use. It negates the use of concrete, stone and damproofing issues and for these reasons I would also use this system on projects in situations where access is good. I chose this company over other similar companies as i found the sales staff friendly and their knowledge of the product was excellent.
Testimonial by
James Harper
5 star review
September 10, 2019
We were recommended to use Swift plinths since they suited our sip build. We were worried that you would be able to see them and the house would look as if it were on stilts, but with paving slabs, rodent mesh and cladding, they were covered and now look nice. Our interaction with Martin from Swift Foundations was very good, quick and accommodating, and we had a good experience with Swift Foundations’ delivery service and can definitely recommend them if this is the sort of foundation you need.
Testimonial by
5 star review
August 22, 2019
Martin was excellent with his help & advice. I needed to support an 18T cabin & these plinths were perfect for the job & were so easy to install saving time. They were delivered on a small pallet & on time so no chasing them which was good. I would definitely order these again & would highly recommend them.
Testimonial by
S Bramley
5 star review
August 21, 2019
Neat and attractive solution. I’ve used these a couple of times now, and recommended to others.
Saves time and just what I needed on an uneven surface. Ecological because not wasting concrete on making a solid pad. Slight glitch with delivery that was ironed out promptly.
Testimonial by
Sue A
5 star review
August 21, 2019
I needed to build a substantial outbuilding near protected trees, and found the ‘Swift’ system on the net. This seemed a good alternative to piling. On contacting them, it quickly became obvious they were ultra-attentive and helpful. On ordering the products, they arrived quickly and with no issues. The system is very cost effective, easy to use and does exactly what it says. Really excellent, and I have no hesitation in recommending this to a prospective purchaser. And I don’t usually feel comfortable recommending anything to anyone.
Testimonial by
Tim Alanthwaite
5 star review
July 20, 2019
We need to instal a raft to protect the roots of our trees. But anyway, it was a much nicer solution than putting down lots of concrete. We really appreciated all the help Martin gave us in ensuring the raft create a secure foundation for our cabin: customer service was exemplary Almost two years on, it is working brilliantly for us … and the trees.
Testimonial by
James Park
5 star review
July 19, 2019
I bought 3 Foundation Rafts to go under 3 timber buildings as they were cheaper than laying concrete. Also I did not want the excavation work or the mess of laying concrete slabs. The Rafts came in kit form on pallets and were easy to assemble from the drawings provided – I saved a lot of time as I did not have to wait for the concrete to cure as I would have done had I laid slabs. Also all the timbers were cut to size and all the joist hangers were already nailed on, so that saved even more time. Should I wish to remove the buildings in the future I can easily remove the foundations and restore the site to its original condition without creating rubble for landfill. Foundation Rafts represent great value for money and I would recommend them.
Testimonial by
5 star review
July 18, 2019
I used as it foundations as a base for a log cabin being built in a wood between Whitby and scarborough.
Swift proximity was usefull being only 20 miles away .The benifit of keeping the
Cabin off the ground reduced damp problems and gave an instant base .
The ability to later adjust any level deviations is a good plus point over a concrete raft .
Service and delivery also excellent
Testimonial by
Keith dobbie
5 star review
July 18, 2019
Swift foundations were amazing. Everything was delivered to us and the instructions were so easy to follow. The base was constructed in less that 2hrs. This base was for our log cabin which is 20’ x 11’ so needed a solid base on which to put it.
Testimonial by
Steve T
5 star review
May 17, 2019
I don’t normally do reviews, everyone else has said everything I want to say but I’m so pleased with the product that I felt I had to.
I bought the Swift Deck 2.4m X 4.7m decking kit through Homebase.
The Kit arrived well packed after a phone call from swift to let me know it was on its way and to arrange a suitable day for delivery.
Having studied the instruction sheet I set up the foundation pads, this was the most difficult and time consuming part of the construction. Although, to be fair, it only took so long because I wanted to be sure of getting it right first time. My garden seems to slope in about 97 different directions so the height adjustable pads were immensely helpful. Once I’d set up the foundations to my satisfaction the timber joists were easy to install and level. They just slot into pre-installed joist hangers.
I loved the fact that you don’t have to saw the timber, it all comes in pre-cut lengths. The timber is all of a good quality and comes pre treated.
Having window shopped for some decent decking for some time, I was impressed at Swifts 32mm thick deck boards. Some suppliers sell what they call premium boards that are only 28mm thick.
Once The whole thing was assembled (a couple of afternoons work) it is a really solid, stable deck, thanks to the good quality timber.
They even supply a roll of artificial grass to fasten round the sides.
The only minor issue was a missing pack of screws which arrived very quickly after an email message to Swift.
All in all I couldn’t be happier with my deck kit and wouldn’t hesitate to recommend it. Swifts customer service and communication has been superb
It looks like I’m the first to review this product so I hope it has been of some help
Testimonial by
Dave Fisher
5 star review
July 08, 2018
Excellent service. This was for my first significant garden construction project (a 3.6m x 4.8m shed). Martin and his team were very patient and helpful, explaining my options and how to use the product, and designing what I needed. Installation was a breeze and levelling trivial, letting me focus on other things (like not sawing my thumb off with my new circular saw). I have no hesitation in recommending the product.
Testimonial by
5 star review
June 01, 2018
Very professional, great product
Testimonial by
Sam Read
5 star review
April 25, 2018
Swift foundations was a great find. I had been searching for some time for a foundations solution that wasn’t a massive slab of concrete and after quite a few comparisons I found Swift Foundations to be the best option. Martin Lowe and his team were extremely helpful and ready to solve any issues that came along on my log cabin project. They were quick to respond to emails and their follow up assistance and service was great. Delivery date for my foundations raft kit is imminent and it is expected that I should be able to put the kit together with ease. I would strongly recommend Swift Foundations as a great foundations solution.
Testimonial by
Swift Foundations. 5 out of 5 based on 14 ratings.



Products & Services

Foundations for grannie annexes

Foundations for garden rooms and studios

Height adjustable foundations

Non-invasive foundations

Foundations for Caravans

Foundations for AONB

Foundations for SSSI

Foundations for sloping ground

Pre-cast concrete foundations

Foundations for SIPs buildings

Foundation Raft

Foundation for a timber-built office

Foundation for a log cabin

Modular Foundations

Adjustable foundations

Self assembly complete decking kits

Plastic grid bases for sheds

Plastic Grid Foundation System

Swift Foundations General Description

Plinth & Plastic Grid Foundations in the UK
Materials Market LtdToner Damp Proofing SuppliesNo HydroClaymore Training LimitedKattrak International LtdMorris & Spottiswood LtdKirk Natural Stone Developments LtdTennants (Elgin) LtdTradstocks WestwoodCustombuilt Joinery Ltd
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2024/07/16 20:56:23