Garden Rooms, Annexes, Extensions & Saunas

Create high-quality, fully insulated space at home — built for everyday use, not occasional living.

Garden Rooms

Bespoke garden rooms designed to create high-quality, fully insulated space for everyday living at home.

Outdoor Saunas

Saunas and wellness spaces are designed to suit individual use, specification and layout.

Extensions

Modular extensions designed to create high-quality, fully insulated space that integrates seamlessly with your home.

Annexes

Bespoke annexes designed to create high-quality, fully insulated living space for family, guests or independent use.
Heritage Garden Studios Oldham Robers After
Heritage Garden Studios Modern SIPS Garden Room South AnstonIMG 1894 scaled 1
4 Small
heritage Garden Studios Customer Case Study Belton DoncasterIMG 9823 1

Built to Last. Designed for Real Living.

We build using structural insulated panels (SIPs) — the same system used in high-performance residential construction.

Unlike traditional garden buildings, SIP construction allows us to create spaces that perform like part of your home — not something separate from it.

 

  • Engineered panels deliver exceptional thermal performance

  • Airtight construction improves comfort and energy efficiency

  • Strong structural integrity ensures long-term durability

The result is a space you can use every day, all year round — without compromise.

Investment & Pricing

A Considered Investment in Your Home

Our projects are designed for homeowners looking to create high-quality, long-term space — not temporary or off-the-shelf solutions.

  • Garden rooms typically start from £25,000+ depending on size and specification

  • Annexes from £60,000+, with extensions typically from £50,000+ depending on layout and finish

  • Sauna and wellness spaces start from £5,995, with bespoke designs tailored to your space and requirements

  • Golf Simulator Rooms will always require planning due to the height of the building and typically start at £50,000

Every project is designed around how the space will be used, ensuring it feels fully integrated with your home — both visually and practically.

Our Home Project Buying Guides & Brochures

Garden Studios Buying Guide

Costs, design options and what to expect
Most Popular

Annexe Buying Guide

Planning, layouts and key considerations
Planning Guide

Extension Buying Guide

Planning, foundations, materials, and key considerations
Start Here

Garden Studios Brochure

Designs, layouts and finish options for your garden room.
Updated 2026

Outdoor Sauna Brochure

Design options, layouts and pricing
Design Focused

Golf Simulator Brochure

Room design, simulator options and layout guidance.
Project Essential

Contact us

ceff8845 dfeb 4416 964a d7dfde7dab00