How much does a Garden Room Installer cost in Cardiff?
Typical costs for hiring a garden room installer in Cardiff, Wales. Garden Rooms & Outbuildings pricing is largely consistent across the UK, so the figures below are indicative national ranges. Your actual quote depends on job size, access and materials, so always get 2–3 quotes. Ranges reflect published 2024–25 UK trade-pricing guides.
Quotes below reflect 5 verified local businesses, 3 with websites
Garden Room Installer price guide, Cardiff (2026)
| Job type | Price range | Notes |
|---|---|---|
| Per Square Metre | £1200 – £2500/m² | |
| Small Office | £10000 – £20000 | Around 10m², insulated and wired |
| Base Only | £800 – £2500 |
Prices updated 2026-08-24. Actual quotes may vary by job complexity and contractor.
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Frequently asked questions
How much does a garden room cost?
Insulated garden rooms run roughly £1,200–£2,500 per m². A typical 10m² garden office fully wired and finished lands around £10,000–£20,000.
Do I need planning permission for a garden room?
Usually not under permitted development if it is single storey, under 2.5m high within 2m of a boundary, and not used as a separate dwelling. Rules differ in National Parks and conservation areas — check with your council.