Estimate 2026 house refurbishment and full gut renovation costs in London and the UK by internal floor area (m²), renovation depth, full house rewiring, central heating, and London borough zone.
In London and the UK in 2026, a light cosmetic house refurbishment costs £450 to £750 per m², a mid-range modernisation (new kitchen, bathroom, replastering, electrics, and heating) costs £950 to £1,450 per m², and a full structural gut renovation of a Victorian/Edwardian property in London costs £1,650 to £2,600+ per m². For a 100 m² 3-bed London terrace, a full refurbishment ranges from £98,000 to £185,000.
📐 Engineering Formula Used: Total Cost (£) = (Property m² × Refurb Rate × London Zone Multiplier) + Full Rewire + Central Heating + Windows
The table below provides verified 2026 material, labor, and installed turnkey cost ranges for house refurbishment cost calculator london projects. Compare these figures alongside live industry benchmarks such as UrbanistArchitecture.co.uk ↗.
| Refurbishment Level | 2026 UK Avg (£/m²) | 2026 London (£/m²) | 100 m² 3-Bed House Total (London) | Typical Duration |
|---|---|---|---|---|
| Cosmetic Rental Turnaround | £400 – £600/m² | £500 – £750/m² | £50,000 – £75,000 | 4 – 6 Weeks |
| Full Modernisation (Mid-Spec) | £850 – £1,250/m² | £1,050 – £1,550/m² | £105,000 – £155,000 | 10 – 16 Weeks |
| Back-to-Brick Victorian Gut Refurb | £1,400 – £1,950/m² | £1,750 – £2,500/m² | £175,000 – £250,000 | 16 – 26 Weeks |
| Prime Central London Luxury Fit-Out | N/A | £2,600 – £4,000+/m² | £260,000 – £400,000+ | 24 – 36 Weeks |
Project Scenario: 100 m² 3-Bedroom Victorian Terrace in Inner London (Zone 2/3) — Full Modernisation + Rewire + Heating
| Itemized Quote Line Item | 2026 Estimated Cost |
|---|---|
| 100 m² Full Modernisation — Strip-Out, Skimming, Kitchen, Bath, Flooring (@ £1,150 × 1.15) | £132,250 |
| Full NICEIC 18th-Edition House Rewire, Downlights & SPD Consumer Unit | £5,800 |
| New Copper/PEX Heating Loop, Designer Radiators & 32kW Boiler | £6,400 |
| Estimated Total London House Refurbishment Cost | £144,450 (£1,444.50/m²) |
Beyond higher day rates for London tradespeople (£280–£380/day for skilled trades), inner London projects incur Controlled Parking Zone (CPZ) bay suspension permits for skips (£45–£85/day), ULEZ/Congestion Charge logistics, Victorian lath-and-plaster disposal, and strict party wall working-hour restrictions.
To avoid costly rework, always follow the sequence: (1) Strip-out & structural steel RSJs, (2) Roof & external windows watertight, (3) First-fix plumbing, heating & electrical chasing, (4) Insulation & plasterboarding/skimming, (5) Mist coat, kitchen/bathroom tiling, and second-fix joinery.
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