How Much Does Period Property Restoration Cost in London? (2026 Guide)

If you own a Victorian, Edwardian or Georgian property in London and you are planning restoration work, the first question is nearly always the same: what is this going to cost? Honest answer: it depends on the house — but “it depends” is no use when you are budgeting. So here are the real-world ranges we quote against every week at Heritage Construction, what pushes a job to the top or bottom of each range, and how to budget without nasty surprises.

All figures are indicative 2026 prices for London, excluding VAT — and London only. Every period property is different: treat these as planning numbers, then get a proper itemised estimate before committing.

First, a warning: London is its own price bubble

If you have been reading national cost guides, put their numbers down — London restoration prices typically run 30–50% above national averages, and for specialist heritage trades the gap can be wider still. Skilled labour costs more here and there is less of it to go round; parking, congestion and ULEZ charges hit every van and delivery; scaffold and skip licences cost more on London streets; and the sheer concentration of period housing means the best lime plasterers and sash specialists are booked out. A guide price that looks right for Manchester or Leeds is a fantasy in Richmond or Clapham — every figure below is a London number.

What drives the price of period property work

• Access and condition: a sound wall re-rendered is one price; hacking off failed cement, letting brick dry and rebuilding decayed sections is another.
• Materials: lime plaster, handmade bricks and matching joinery cost more than modern equivalents — but they are why the work lasts.
• Consents: conservation-area rules and listed-building consent add specification (and sometimes waiting time), not just paperwork.
• How much of the house is involved: scaffold, welfare and project management spread across a bigger job — which is why whole-house rates per square metre fall as scope grows.

Typical costs by job

Lime plastering and render

• Internal lime re-plastering: roughly £100–£165 per m² depending on backing condition and finish
• External lime render (hack off cement, re-render): £130–£220 per m² including scaffold on a typical terrace elevation
• Lime repointing brickwork: £75–£130 per m²

Sash window restoration

• Overhaul and draught-proofing (cords, weights, seals): £350–£650 per window
• Full restoration with splice repairs and redecoration: £800–£1,500 per window
• Like-for-like replacement sash (conservation-approved): £1,800–£3,000+

Cornicing, joinery and detail

• Running new cornice to match original: £100–£200 per linear metre
• Ceiling rose repair or replacement: £150–£450
• Bespoke joinery (shutters, panelling, doors): quoted per piece — as a guide, a restored four-panel door with furniture lands around £600–£1,200

Sympathetic services upgrades

• Rewiring a 3-bed period house with minimal fabric damage: £9,000–£16,000
• New heating with discreet pipe runs: £8,000–£16,000

Whole-house restoration

• Full refurbishment of a period property: £1,800–£2,800 per m² depending on specification — a typical 4-bed Victorian terrace lands in the £250k–£450k band including a kitchen, bathrooms and decoration

The conservation-area and listed-building premium

Budget roughly 10–25% extra where consent applies. It buys approved materials, methodical work and documentation — and it protects the value of the house. Skipping it is the expensive option: unauthorised work on a listed building can mean being ordered to undo it.

Why the cheapest quote usually costs the most

Most of the expensive problems we fix were caused by earlier “savings”: cement render on solid walls (trapped damp — see our guide to lime plaster vs cement), gypsum over damp brick, uPVC in conservation streets that had to come out again. A quote that is 30% below the others is usually missing scope, using the wrong materials, or both. Compare quotes on itemisation, materials and who actually does the work — not the bottom line alone.

How to budget a restoration project

1. Survey first: know what the house needs before fixing a number.
2. Stage the work: fabric first (roof, damp, windows), finishes second — a good builder will phase it with you.
3. Hold a 10–15% contingency: period houses keep secrets behind plaster.
4. Get an itemised estimate: if you cannot see what each element costs, you cannot compare or trim it.

Get a real number for your house

Heritage Construction carries out period property restoration and sash window restoration across Richmond, Twickenham, Kingston, Wandsworth, Clapham and south-west London — rated 10/10 on Checkatrade, with transparent day and hourly rates. Send us your plans or book a survey: call 020 7117 2075 or get in touch for a free itemised estimate.