5 garden room builders in Surrey
Surrey has plenty of firms that design and build insulated garden rooms. These are the ones we have checked so far, with the facts each firm publishes on its own website.
Listed in alphabetical order – not ranked. Every fact comes from the firm's own website, checked 20 October 2026. We haven't used these firms ourselves, and none of them has paid to be here. Where a firm doesn't publish something, we say “not stated”.
Downland Garden Rooms
- Based in
- Epsom (KT18)
- Area covered
- Roughly 20 miles in every direction from Reigate (their stated catchment).
- Prices
- Fully inclusive prices published; the lowest listed is £21,999 inc VAT (£18,333 + VAT)
- Insulation
- 90mm thermal boards in all four walls, roof and floor
- Planning help
- not stated
- Guarantee
- not stated
- Also says
- Offshoot of Downland Building, family owned for more than 25 years. Electrical package and broadband included.
Garden Rooms by Drumbeat
- Based in
- Woking (GU21)
- Area covered
- Surrey and Hampshire. Towns listed include Bookham, Byfleet, Camberley, Chertsey, Cobham, Dorking, Epsom, Esher, Farnham, Fetcham, Godalming, Guildford, Walton-on-Thames, Weybridge and Woking.
- Prices
- not stated
- Insulation
- 150mm thick insulated wall panels (per their site)
- Planning help
- Publishes planning guidance; says it is the householder's responsibility to make sure planning and building rules are followed.
- Guarantee
- 10-year guarantee
- Also says
- Design-and-build service including electrics.
Nordic Room
- Based in
- Byfleet (KT14)
- Area covered
- Surrey and south-west London. Areas listed include Banstead, Bookham, Chertsey, Cobham, Dorking, East Molesey, Epsom, Esher, Godalming, Guildford, Kingston, Leatherhead, Oxshott, Surbiton, Walton-on-Thames, Weybridge, Wimbledon and Woking.
- Prices
- Most projects start from £30,000 (their guide)
- Insulation
- High levels of insulation in the roof, floor and walls for year-round use
- Planning help
- not stated
- Guarantee
- not stated
- Also says
- Norwegian family-run business founded in 2001; bespoke Scandinavian-style timber buildings.
Surrey Hills Garden Buildings
- Based in
- Reigate (RH2)
- Area covered
- Surrey, London and Sussex.
- Prices
- not stated
- Insulation
- Insulated garden offices offered
- Planning help
- not stated
- Guarantee
- Guarantees on all buildings; terms vary by building type (ask at consultation)
- Also says
- Family-run, more than 20 years' experience designing garden buildings.
The Green Rooms
- Based in
- Lyne, near Chertsey (KT16)
- Area covered
- Mainly Surrey and the South East. Towns listed include Weybridge, Esher, Cobham, Walton-on-Thames, Guildford, Leatherhead, Woking, Epsom, Staines, Chertsey, Godalming, Reigate, Dorking and Farnham.
- Prices
- From £12,750 inc VAT (smallest listed option; turnkey)
- Insulation
- not stated
- Planning help
- not stated
- Guarantee
- 10-year structural guarantee; 20-year roof guarantee
- Also says
- Says builds are turnkey: ground screws, structure, cladding, glazing, flooring, plastering and electrics with a signed electrical certificate. Has an online price estimator.
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