TM CarpentryBath · Bristol · Bespoke joinery

Bristol · BS6 · Garden Rooms by area

Bespoke Garden Rooms in Cotham & Montpelier

Insulated garden rooms designed for year-round living, not just summer. TM Carpentry manages every aspect of your garden room project, from foundations and structural framing to insulation, cladding, roofing and the complete interior finish. We coordinate all specialist trades, including electrical, plumbing and plastering where required, giving you a single point of contact and a seamless build from start to finish. Whether it’s a home office, gym, studio or annexe, you’ll have a fully finished space that’s ready to use. Available across Bath, Bristol and Keynsham

Get a written quoteSee recent work
10+years in the trade
16areas covered
9services in-house
£2Mpublic liability

What's included

What's included

Every garden rooms job covers the items below — always. The exact specification depends on your space and what you want it to do.

  • Foundations (ground screws or concrete pad)

  • Timber frame construction

  • Insulation to year-round U-values (roof, walls, floor)

  • External cladding (timber, composite or render)

  • Roofing — EPDM, felt or insulated panels

  • Doors, windows and interior fit-out

A real job

Recent garden room project in Cotham & Montpelier

Carpenter fitting oak cladding boards to a garden room under construction, insulated frame and roof already in place

Cotham & Montpelier · Garden Rooms

From a recent Cotham & Montpelier job — a garden office or studio build with insulated frame, cladding, glazing, and electrics. [Real project story placeholder. Replace with the specific job: the customer, what they wanted, what was tricky about the site, how it turned out. The photo shows oak cladding boards being fitted to a garden room during construction.]

About Cotham & Montpelier

What garden rooms typically look like in Cotham & Montpelier

Cotham and Montpelier gardens are mixed — the Victorian terraces and mansion blocks here have 8–15m of usable rear garden depth. Both areas are inside the Cotham and Montpelier Conservation Areas respectively, which restrict Permitted Development rights for outbuildings.

Honest note: The descriptions below are generalisations — what's typical or commonly found in Cotham & Montpelier, based on the area's documented housing stock and garden sizes. Every property is different, so Tom will always confirm what's actually there on the site visit before quoting.

Planning & permissions

The planning context in Cotham & Montpelier

Most Cotham and Montpelier garden rooms need a planning application because of the Conservation Area restrictions on Permitted Development. Tom will tell you for your specific property on the site visit. Bristol City Council applications typically take 8 weeks.

Common garden-room patterns in Cotham & Montpelier

Common Cotham and Montpelier garden room patterns: 4×3m garden offices (12m²) sized for the typical rear gardens, occasional cedar-clad studios with EPDM roofs. Most jobs go through full planning because of the Conservation Area restrictions.

Local questions

Cotham & Montpelier — common questions

Are Cotham and Montpelier inside the Bristol Conservation Areas?
Yes — both areas are inside their respective Conservation Areas (Cotham Conservation Area and Montpelier Conservation Area), which restrict Permitted Development rights for outbuildings. Tom will tell you for your specific property on the site visit.
Will my Cotham garden room need planning permission?
Most Cotham garden rooms do — the Cotham Conservation Area restricts Permitted Development rights for outbuildings. Bristol City Council applications typically take 8 weeks.
My property is Grade II listed — does that affect garden rooms?
Yes — Listed Building Consent is required for any substantial outbuilding in the curtilage of a Grade II listed property. Tom will tell you on the site visit whether LBC is needed for your specific case.
Can I build in the side return?
Yes — Cotham and Montpelier's side passages are usually 1.5–2m wide, which fits a 4m-deep narrow office. Same PD rules apply, but most Conservation Area side-return rooms still need a planning application.
Are you VAT registered?
No — below the threshold. Quotes are VAT-free.

Garden rooms in other Bristol areas

More garden rooms by area

Our step by step process

Our step by step process

Every job follows the same six stages. Some are quicker, some are slower — but the order and what to expect at each point is fixed, so you're never wondering what's happening.

  1. 01

    Planning check

    Most garden rooms fall under permitted development. We confirm this for your specific site and flag any conservation-area or listed-building complications up front.

  2. 02

    Design and quote

    Size, position on the plot, intended use, services needed. Fixed-price quote.

  3. 03

    Foundations

    Ground screws or concrete pad, depending on ground conditions. Usually a single day.

  4. 04

    Frame and roof

    Timber frame raised, roof fitted, windows and doors installed. Most rooms take 1–2 weeks on site.

  5. 05

    Insulation and cladding

    Insulation fitted to target U-values (roof below 0.20, walls below 0.25, floor below 0.22). External cladding applied.

  6. 06

    Interior finish

    Lining board, flooring, electrics (first-fix and final). Snagging and sign-off.

Garden rooms by city

Bespoke garden rooms in Bath or Bristol

Pick a city to see what's distinctive about garden rooms there — typical garden sizes, planning context, and FAQs — and a curated list of area hubs beneath it.

Get in touch

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Modern garden office pod with vertical cedar cladding and large black-framed glass doors