Menu
CostsCalculatorsEnergyTradesMaterialsLocationsCalculate a project
Home›Costs›Garden room
UK cost guide

Garden Room Cost UK

Typical UK garden room and garden office costs from mini self-assembly rooms to premium turnkey cabins.

Last reviewed: 1 September 2026 · Sources & data · Methodology

Typical planning cost£5,250 mini room / £11,750 office pod
Broader project range£2,500–£30,000+
Planning figures are estimates rather than quotations. Live calculators combine dated UK benchmarks with clearly separated modelling assumptions such as region, size, condition and specification.

Calculate this project

What affects the cost?

Garden room budgets depend on size, construction type, insulation, glazing, foundations, electrics, heating and whether the building is self-assembled or turnkey.

  • Room size and construction type
  • Insulation and year-round use
  • Base or foundations
  • Windows and doors
  • Electrical work and heating
  • Assembly and access

Typical cost breakdown

Building shell45–60%
Glazing & doors10–20%
Base/foundations10–20%
Electrics & finishes10–25%

Regional planning examples

The examples below apply our published modelling factor to the same national benchmark. They are not claimed as observed city-wide average quotes.

London£3,200–£38,400
Manchester£2,350–£28,200
Birmingham£2,450–£29,400
Glasgow£2,400–£28,500
Cardiff£2,300–£27,300

Sources used for this guide

Checkatrade

How Much Does a Garden Room Cost in 2026?

Published / checked: June 2026

Used for: Mini garden room, office pod, assembly, base and glazing benchmarks

View source ↗

Frequently asked questions

How much does a garden office cost?

Current UK guides put a basic assembled insulated office around £5,500, while a turnkey office pod can average around £11,750.

Can a garden room cost over £20,000?

Yes. Large high-spec or custom-built cabins can reach £15,000–£30,000 or more.

Related costs

Cost guide

Garden landscaping

UK garden landscaping costs for turf, artificial grass, levelling, terracing, paving, decking and brickwork.

£250–£2,500 for many landscaping projectsView guide →Cost guide

Garden decking

UK garden decking costs for softwood, hardwood and composite decks, including supply and installation.

From around £70 per m² for softwoodView guide →Cost guide

Solar panels

Typical UK solar PV costs including panels, inverter, mounting, installation and optional battery storage.

£5,000–£9,000View guide →