System 7 · Fixed prices, no sales calls

A room in the garden. Up in a day.

Freestanding, flat-roof System 7 precision shells — watertight in 24 hours, complete in around 7 days, with fixed trade pricing you can quote on the spot.

Become an Installer → Get an Instant Quote
24hrsTo erect shell
~7Days to complete
£6,509From, inc. VAT
2–10mAny size
Scroll to build
Why System 7

No surveys. No sales calls. No waiting. Pick a size, quote it instantly, build it in days.

A Superstrux™ garden room uses the same next-generation System 7 shell as our house extensions — built freestanding, with four walls and a flat roof, so it drops into any garden.

Offer it flat-packed or fully installed — either way the shell is watertight within 24 hours and finished with render, timber or cladding to suit the garden it sits in. An easy add-on sale for customers you already work with.

£6,509 From, inc. VAT — 4m × 3m flat-pack
24hrs To a watertight shell
~7days To a finished garden room
One shell, any life

Office. Studio. Gym.
Whatever the garden needs.

Excellent insulation and airtight construction make a System 7 garden room comfortable all year round — not just in summer. An easy upsell for every garden you already work in.

Garden room used as a home office with a designer at work by glass doors The garden office
Garden room used as a private home gym The home gym
Garden room fitted out as a home bar The garden bar
Garden room used as a leisure and lounge space The leisure room
Garden room used as a client-facing home business studio The home business
The 7-day build

From flat-pack to
favourite room.

No weeks of groundwork and bricklaying at the bottom of the garden — and no mortar, so there's nothing to dry out before you move in.

DAY 0 Superstrux garden room shell delivered flat-packed on a pallet

Delivered flat-packed

The precision shell arrives in the garden — no cranes, no heavy machinery.

DAY 1 Assembled Superstrux garden room shell with flat roof

Shell up. Watertight.

Four walls and a flat roof erected in as little as 24 hours, whatever the weather.

DAYS 2–6 Composite cladding being fitted to a Superstrux garden room

Finishes go on

Glazing plus render, timber or cladding — matched to the garden it sits in.

DAY 7 Finished Superstrux garden room glowing at dusk

Move straight in

No drying-out period. Furniture in, and the space is working that week.

Garden room pricing

Flat-pack or fully installed

Fixed, upfront prices. Configure any size for an instant quote.

We build it for you
Installed
  • Time to build A few days
  • Delivered to site ✓
  • Professional installation ✓
  • Weather delays None
£9,053 inc. VAT — average 4m × 3m
Build it yourself
Flat-pack
  • Time to build Your own schedule
  • Delivered to site ✓
  • Professional installation —
  • Weather delays None
£6,509 inc. VAT — average 4m × 3m

*Installation is currently available in the North West only.
Configure any size from 2m x 2m up to 10m x 6m in the garden room quote tool for an instant fixed price.

Instant pricing

Any size from 2m to 10m.
Priced in seconds.

Pick the dimensions in the configurator and hand your customer a fixed price on the spot — flat-packed or fully installed. No surveys, no sales calls, no waiting.

Get an Instant Quote →
Get certified

Become a Superstrux™ garden room installer

Register now to unlock massive trade savings. Here's how it works:

Apply in two minutes

Tell us who you are, where you work and what you build. No obligation.

Unlock trade pricing

Approved installers get access to trade prices and the quoting tools.

Quote & build

Use the configurator to generate instant quotes with your trade discount.

By submitting this form, you agree to be contacted regarding installer opportunities. We respect your privacy and will never share your information.

Superstrux house extension with open bi-fold doors glowing at dusk
Also from Superstrux™

Building house extensions too?
Same system. Same speed.

The same System 7 shell builds house extensions — 40% cheaper than a traditional build, with the shell up in 24 hours. Register as an extension installer to unlock trade pricing.

Explore Extensions →
Questions

Garden room questions, answered

How much does a Superstrux™ garden room cost?
A 4m x 3m Superstrux™ garden room is £6,509 including VAT flat-packed, or £9,053 including VAT fully installed. Prices are fixed and depend on the size you choose — use the garden room configurator for an instant price.
How long does a Superstrux™ garden room take to build?
The Superstrux™ garden room shell is erected in as little as 24 hours and is typically finished in around 7 days — compared to several weeks for a traditional masonry or timber-frame garden room.
What sizes of garden room are available?
Superstrux™ garden rooms are built from 2m to 10m in length and 2m to 6m in depth, so you can configure anything from a compact garden office to a large studio or gym.
How is a garden room different from a Superstrux™ extension?
A garden room is a freestanding, flat-roof Superstrux™ structure with four walls, rather than an extension's three walls tied into the existing house. It uses the same System 7 shell, so the same 24-hour erection time and all-weather build apply.