Luxury Bespoke Garden Rooms in Swansea

Expertly designed and built garden rooms – from £25,000.

Transform Your Garden into a Luxurious Living Space

Whether you want a garden office with a view, a peaceful retreat for yoga or art, or an insulated all-weather space for entertaining—our custom-built garden rooms in Swansea deliver style, functionality, and comfort, all year round.

Crafted for a Lifetime, Not Just a Season

With over 35 years of combined experience, Carl’s Carpentry is a trusted, family-run business known across South Wales for precision joinery, honest service, and spaces that last. Every garden room is personally designed and delivered by Carl — a master craftsman who brings together fine carpentry and home renovation expertise.


We don’t do “off-the-shelf.” We craft tailored, design-led garden rooms that elevate your lifestyle and add lasting value to your home.


Thoughtfully Made, Carefully Built.

TESTIMONIALS

What Our Customers Say


"Absolutely thrilled"

Absolutely thrilled with our new garden office! The build quality is outstanding, and it’s the perfect space for working from home. It’s warm, stylish, and blends beautifully with our garden. The team was professional, efficient, and left everything spotless. Highly recommend!"

- Sarah J., Swansea

"A stress free experience"

We wanted a premium home gym, and Carl’s team delivered beyond our expectations! The insulation and soundproofing are fantastic, and the sleek design fits perfectly in our space. A stress-free experience from start to finish!

- James R., Cardiff

"Guests love the space"

Our bespoke garden room has been a game-changer for our holiday let! Guests love the space, and it’s already increased our bookings. The craftsmanship and attention to detail are second to none. Couldn’t be happier!

- Emma & Mark W., Mid Wales

📐 What’s Included?

Every bespoke garden room includes:

  • Site survey & design consultation

  • External cladding (cedar, composite or thermal treated eco alder options).

  • Interior finish: plastered walls or cladding, lighting, flooring

  • Timber frame structure with floor, wall & roof insulation.

  • Double-glazed doors & windows

  • Electrical installation (consumer unit, sockets, lights)

  • Optional extras: heating, Wi-Fi, decking, canopy, storage

TAILORED PRICING FOR YOUR PERFECT GARDEN ROOM

Transform your outdoor space

Each garden house is a fully bespoke design, built to last. Pricing varies based on size, materials, and finishes, ensuring your space is as unique as your vision.

Silver Package

FROM £25, 000

  • Size: 3m x 3m

  • Ideal for: Garden office or creative studio

  • Structure: Timber frame with insulation

  • Roof: Felt/EPDM

  • Cladding: Premium cladding

  • Windows: uPVC Glazing

  • Interior: Plastered or MDF interior

  • Flooring: Vinyl flooring

  • Electrics: Internal electrics (sockets, lights)

  • Warranty: 5-Year Guarantee

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Gold Package


FROM £29, 000

  • Size: 5m x 3.5m

  • Ideal for: Home gym, sauna or hobby space

  • All Silver features

  • + Flooring: Laminate flooring

  • + Extra width and height

  • + Choice of cladding & finishes

  • + Double doors

  • + Optional lighting upgrades

  • Warranty: 5-Year Guarantee

Platinum Package

FROM £33, 000

  • Size: 6m x 4m

  • Ideal for: Family retreat, multipurpose room, luxury studio

  • All Gold features

  • + Flooring: Wooden flooring

  • + Dual-zone layout (e.g. office + lounge)

  • + Additional sockets/lights

  • + Feature wall or custom joinery

  • + Optional Wi-Fi, heating, decking

  • Warranty: 10-Year Guarantee

Limited availability for Spring builds – book early

Want Something Unique?

We also offer fully custom layouts, finishes, and features — just let us know what you have in mind during your consultation.


A Garden Room That Pays You Back Over Time

✔️ Built to Last: We use premium materials and fine craftsmanship that stand the test of time — even through Welsh winters.

✔️ Low-Maintenance Living: Designed to be worry-free with durable finishes and smart detailing that save you time, energy, and upkeep costs.

✔️ A Memorable Experience: Our customers rave about the process — and so do their neighbours. Expect compliments, curiosity, and word-of-mouth recommendations.

✔️ Adds Real Value to Your Home: A well-built garden room doesn’t just give you space — it gives you a lifestyle upgrade. And it can increase your property’s value and appeal if you ever decide to sell.


Our Simple 4-Step Process

📐 Book Your Design Consultation

To ensure your garden room is perfectly planned and priced, we offer a tailored consultation:


🔎 £195 – includes:

Site visit by Carl.

Expert advice on layout, materials, and usage.

Hand-drawn sketch or design outline.

Full, fixed-price quote


This fee is fully refundable if you go ahead with the build.


Spaces are limited – we only take on a small number of bespoke projects each month to maintain quality.


Ready to Transform Your Garden Into Something Amazing?


Based in Swansea and proudly serving South & Mid Wales, we help homeowners create warm, purpose-built spaces that feel like a natural extension of their home — beautifully designed, expertly crafted, and made to last.

Whether you're dreaming of a garden office, studio, gym, sauna or retreat, we’d love to hear your ideas and help you make it happen.

Carl’s Carpentry Garden Rooms. Tailored. Trusted. Timeless.

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Registered in the UK: 12821574


VAT registered: 417159104

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Swansea, UK

Copyright 2025. Carl`s Carpentry. All Rights Reserved.