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Swift UnlimitedExplore what’s possible
Exceptional Spaces, Endless PossibilitiesFit for Life – Fit for PurposeWhatever your PassionDesigned for Work and LifeBeautifully Built, Uniquely YoursDedicated Specialised RoomsLeisure and Pleasure
The Garden Room & Annexe Guide Logo
Swift UnlimitedExplore what’s possible
Exceptional Spaces, Endless PossibilitiesFit for Life – Fit for PurposeWhatever your PassionDesigned for Work and LifeBeautifully Built, Uniquely YoursDedicated Specialised RoomsLeisure and Pleasure
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  • Your Guide

Garden Room & Annexe Projects We've Been Exploring

Since 2009, we have been writing articles about garden rooms and annexes, showcasing the versatility of these high-spec, insulated garden buildings. We aim to inform buyers of their options and showcase the work of garden room companies, large and small.

5.5m x 3m Cosy Garden Room designed to maximise the view

A Garden Room: An Alternative to a House Extension

Cosy Garden Rooms offers an efficient alternative to traditional house extensions, providing insulated garden rooms that are quickly assembled and cost-effective. In Derbyshire, recent clients opted for a 5.5m x 3m garden room with extensive glazing, gaining a year-round sitting space with minimal disruption and substantial cost savings over an extension.

The angled wall softens the building in the garden

An Angled Corner Softens a Garden Studio

Ark Design Build created a garden studio in Tunbridge Wells featuring an angled corner wall with a tall window. The 6.5m x 4m structure includes triple sliding doors, Western Red Cedar cladding and an extended roofline for increased ceiling height.

Split level Timber Rooms garden office and sitting room

Split-Level Garden Room Creates a Great Interior Space

Timber Rooms utilised a split-level design to transform a terraced garden in Weybridge into a stylish sitting room and office. Their traditional timber framing system enables flexibility for challenging sites, creating cohesive, functional spaces while maximising available garden areas.

The customised design includes a corner configuration of bi-fold doors

Garden Rooms Tailored Around You

Crusoe Garden Rooms Limited creates fully customised garden rooms tailored precisely to each client’s vision, with Director Trev personally guiding the design process. Expertly crafted on-site, their versatile builds range from compact offices to spacious entertainment spaces, all with premium finishes.

Garden room price guide 2024

Guide to Garden Room Prices: 2024 Edition

Explore our updated guide to garden room prices for 2024. Includes costs for various building sizes and bespoke designs, including VAT.

Swift Unlimited garden room with a covered area suitable for a hot tub

Extend Your Garden Room with a Hot Tub Shelter

Swift Unlimited can create covered outdoor areas alongside their highly insulated garden rooms, ideal for positioning a hot tub. These bespoke projects showcase how Swift seamlessly incorporates hot tub shelters into their designs, blending functionality with year-round comfort and style.

A soundproof garden room by Rockwood Garden Studios

Room within a Room Soundproof Garden Studio

Rockwood Garden Studios specialise in bespoke soundproof garden studios, incorporating advanced techniques like ‘room within a room’ construction to minimise noise transmission. Features include double-skin glazing, Rockwool insulation, and stone cladding, tailored for musicians and music producers.

Example of an Alpaca Garden Rooms project in North London

Alpaca Garden Rooms

Alpaca Garden Rooms, led by Tim Worsley in North London, specialises in bespoke garden spaces designed for year-round comfort using eco-friendly wood fibre insulation. Their high-standard builds include MVHR systems, crittal-style glazing, and optional living roofs to enhance aesthetics and sustainability.

A 4.8m x 4m fully insulated garden sitting room project by Ark Design Build

4.8m x 4m Garden Sitting Room

Ark Design Build designed a 4.8m x 4m garden sitting room near Sevenoaks. The fully insulated space features Thermowood cladding, 3.6m wide aluminium bi-fold doors, a letterbox window and interior finishes matching modern house standards.

Example of an InFrame Garden Rooms design

InFrame Garden Rooms

InFrame Garden Rooms specialise in steel-framed garden rooms and living annexes in London and Surrey. Offering customisable Vantage and Panoramic ranges or bespoke designs, their durable, fire-resistant steel core ensures flexibility, quick installation, and eco-friendly, high-spec finishes for tailored garden living spaces.

L-shaped garden office and entertainment room with bathroom and kitchen

Garden Room for Work and Entertaining

Timber Rooms designed this L-shaped garden room serving as both a home office and an entertainment space. With bi-fold doors, Cedar cladding, and high-quality interiors, it seamlessly blends indoor and outdoor living while enhancing work-life balance and property value.

Example of a Hully Pods garden room

Hully Pods

Hully Pods offer versatile garden pods ideal for use as offices, gyms, or studios. Built using boat-building techniques, they feature durable fibreglass shells with eco-friendly materials and customisable interiors. Available in three sizes, they’re pre-wired and Permitted Development friendly.

Portrait of a multi generational family enjoying a meal together at home.

Garden Rooms & Annexes Support Multi-Generational Living

The rise of multi-generational living in the UK, highlighted by Make Room Outside’s survey, shows 71.4% of adults open to this lifestyle. Key motivators include caregiving, financial savings, and post-breakup support. Garden rooms and annexes offer flexible, efficient housing solutions.

The exterior of the one bedroom annexe has been clad in Thermowood

One-Bedroom Annexe by AMC Garden Rooms

AMC Garden Rooms created a bespoke one-bedroom annexe for a disabled relative in Hemel Hempstead. The 9.5m x 6m L-shaped structure features a kitchen-living room, en-suite bathroom, and entrance hall. Built under the Caravan Act, it offers independent living with family nearby.

Example of a Rockwood Garden Studios building

Rockwood Garden Studios

Rockwood Garden Studios, a Buckinghamshire family business, specialises in stylish, insulated garden rooms crafted with durable materials like natural stone and metal. Offering bespoke designs and turnkey service, they handle everything from design to utilities, including soundproof options for private spaces.

5m x 3.5m Cosy Garden Room with bathroom

Cosy Garden Room with Bathroom

Cosy Garden Rooms recently crafted a 5m x 3.5m multipurpose garden room, designed as an office, sitting room, and occasional bedroom with a bathroom for guest convenience. Built in four days, this flexible, insulated space enhances family life, providing accessible, self-contained accommodation.

Swift Unlimited's client has created a professional clinic space for her physiotherapy business at home

Garden Physio Clinic

Swift Unlimited designed and built this bespoke 6.2m x 3.6m garden physio clinic with Siberian Larch cladding, bi-fold doors, and a stylish cloakroom. Designed for year-round use, it provides a professional workspace while blending functionality and comfort.

Executive Garden Rooms insulated workshop has a well specified electrical package

Insulated Garden Workshop

Executive Garden Rooms showcases how garden workshops can be designed as high-spec, well-lit, and modern spaces. This bespoke design ensures year-round comfort, tailored to fit available space and work needs—far beyond the standard insulated shed concept.

Garden Affairs design was planned around the risk of flooding

Understanding the Regulations That Are Relevant to Your Garden Building Project

Guest post by Garden Affairs explaining the rules you need to follow when building in your garden, covering planning permissions and building regulations. They highlight key requirements under both the Town and Country Planning Act and Building Regulations, noting that special locations may need extra approvals.

If you fancy building a garden room, a DIY kit is a great option. This guide looks at the options from core structures to complete kits.

2024 Guide to DIY Garden Room Kits

If you fancy building a garden room, a DIY kit is a great option. This guide looks at the options from core structures to complete kits.

Hampton Conservatories bespoke design service allows you to create a unique space that works for you

Unlocking the Full Potential of a Glazed Extension: The Benefits of Bespoke

In the realm of home improvement, few endeavours offer as transformative an impact as the addition of a glazed extension. These versatile spaces not only expand your home but also flood interiors with natural light, seamlessly blending the indoors to the out.

Example of a Crusoe Garden Rooms Limited building

Crusoe Celebrates their 100th Client Testimonial

Crusoe Garden Rooms Limited celebrates its 100th client testimonial, reflecting their dedication to transparent, client-focused service. With over 400 builds completed, the team prides itself on efficiency, adaptability, and respect for clients’ properties, ensuring seamless, high-quality installations across the UK.

Garden room and annexe companies project manage their builds so the right materials and people on site at the right time

Garden Rooms and Annexes are Designed for Swift Installation

Garden rooms and annexes offer a swift, efficient alternative to traditional home extensions. Using prefabricated or on-site construction, companies minimise delays and costs by assigning dedicated teams and optimising build phases. Clients benefit from streamlined communication and fast project completion.

Executive Garden Room that mixes 3 exterior finishes to great effect

Mixing Exterior Materials Enhances This Contemporary Garden Room’s Style

This Executive Garden Rooms project highlights the stylish impact of mixing exterior cladding finishes. Combining crisp white render, warm Western Red Cedar, and dark grey composite cladding creates a contemporary look, enhancing visual appeal while ensuring durability and low maintenance.

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