New build cost London/Chelsea
SW3 · Kensington & Chelsea · 2026 prices

New build cost in Chelsea.

Chelsea — SW3 — sits between Fulham and the King's Road. The housing stock is largely Georgian and early Victorian terraces, often listed, with the mews lanes behind Cheyne Walk and Tite Street providing some of the most architecturally sensitive loft work in London.

£732k–£1.8m
Chelsea replacement dwelling, all-in
SW3
Kensington & Chelsea
1.8 km
from our Fulham studio
12-month
Workmanship warranty on second-fix fittings, signed by the trades
Chelsea site context

What makes new-build work in Chelsea distinct.

Site context: Georgian terraces, Victorian stucco-fronted four-storey townhouses, and converted mews — many Grade II listed.

Planning: Cheyne, Chelsea and Hans Town conservation areas cover virtually all of SW3. Listed-building consent is required on a high proportion of properties — mansards are the usual loft route here, never rear dormers.

Applications go to Royal Borough of Kensington & Chelsea. We handle the Pre-App, planning submission, party wall awards, CIL calculations and conservation officer correspondence end-to-end.

Streets we work in Chelsea
Tite StreetRoyal Hospital RoadSmith StreetCheyne WalkMarkham Street
New build prices for Chelsea, by type

The five new-build types — SW3 numbers.

All figures inclusive of design, planning, build, CIL, contingency and VAT. The Chelsea multiplier (1.22×) reflects local labour, scaffold logistics and finish expectations.

Replacement dwelling
Chelsea typical
£732k – £1.8m
Demolish + rebuild on same plot. Volume rules apply under planning. Most common new-build route.
Infill plot — single house
Chelsea typical
£549k – £1.5m
New home on side garden, vacant plot or end-of-row. Planning is the key constraint.
Garden / backland plot
Chelsea typical
£671k – £1.7m
New home on a rear or backland site. Overlooking and amenity loss drive complexity.
Double-plot / large new build
Chelsea typical
£1.1m – £3m
Larger single dwelling. Premium specification, often bespoke joinery throughout.
Multi-unit residential
Chelsea typical
£1.5m – £5.5m
Two or more units on a single plot. Section 106 + CIL apply at scale.
Run my Chelsea calculator →Read the full London new-build guide
Free download · 6 pages

The 2026 London New Build Cost Guide.

Real cost data from our London new-build projects. Plot acquisition, planning strategy, CIL by borough, and the seven hidden costs that catch self-builders out — relevant to Chelsea and beyond.

Five sections — London ranges, borough multipliers, where the money goes, the costs that catch people out, and how to read a builder's quote.
Instant access

Send me the guide.

Chelsea new build FAQ

What Chelsea self-builders ask us.

How much does it cost to build a new home in Chelsea in 2026?

Typical 2026 Chelsea ranges (inc. design, planning, build, CIL & VAT): infill plots £549k–£1.5m; replacement dwellings £732k–£1.8m; garden plots £671k–£1.7m; large new builds £1.1m–£3m; multi-unit £1.5m–£5.5m+. The Chelsea multiplier (1.22×) reflects local labour, scaffolding logistics and finish expectations.

What's the planning process for a new build in Chelsea?

Always full planning permission via Royal Borough of Kensington & Chelsea. Cheyne, Chelsea and Hans Town conservation areas cover virtually all of SW3. Listed-building consent is required on a high proportion of properties — mansards are the usual loft route here, never rear dormers. Most Chelsea new builds start with a Pre-Application (£500–£2,500) to test feasibility, then a full planning submission running 13–18 weeks. Conservation areas, Article 4 directions and proximity to listed buildings add scrutiny.

What kind of plot makes sense in Chelsea?

Georgian terraces, Victorian stucco-fronted four-storey townhouses, and converted mews — many Grade II listed. Plot types that come up most often in SW3: replacement of an existing house (demolish + rebuild), side-garden infills on corner plots, and occasional backland sites accessed via a private drive. Plot acquisition prices in Chelsea are part of the equation — we help test feasibility before you commit to a purchase.

How long does a Chelsea new build take from purchase to keys?

Allow 6–12 months for design and planning (longer in conservation-sensitive parts of Chelsea), then 12–18 months on site for a single dwelling, 18–24 months for a large new build, and 24–36 months for multi-unit schemes. Our build programme is fixed in the contract.

How much is CIL in Chelsea?

Community Infrastructure Levy varies by London borough and zone, typically £20–£500 per m² of net additional floorspace. Royal Borough of Kensington & Chelsea publishes its current CIL rates online; we calculate your specific liability at the planning-application stage. Section 106 affordable housing or infrastructure contributions may apply on larger schemes.

Does 2VP work on Chelsea new builds?

Yes — Chelsea is within our core London new-build catchment. Our studio is at 20 Dawes Road in Fulham, 1.8km from Chelsea. We've delivered new builds across the SW3 postcode and our subcontractor network covers Kensington & Chelsea. Free site visit, itemised quotation, 12-month workmanship warranty on second-fix fittings on the finished work — with an optional 10-year HomePro guarantee on request, arranged with HomePro and paid directly to them at 2.5% of the contract value.

Nicholas Elias RIBA
Vladimir Castravet
Free site visit · Chelsea

Twenty minutes on plot in Chelsea.
On us.

Nick Elias RIBA and Vladimir will walk your plot, check planning constraints, estimate CIL and give you a realistic budget and programme — even if a new build isn’t the right call.

Book my Chelsea site visit →Or call 020 8050 8968
Ready to build in Chelsea?
See our new build work in Chelsea.
View Chelsea projects →
Who you are dealing with

A real studio, a short drive from Chelsea.

One company, one address, one registered number — not a lead form that sells your details on. You can walk into the office on Dawes Road and ask for Vladimir by name.

Company2V Projects Ltd (2VP)
Address20 Dawes Road, London SW6 7EN
Phone020 8050 8968
Emailhi@2vp.uk
HoursMonday to Friday, 8am to 6pm
Registered in England & WalesNo. 14122250
ServingChelsea SW3

See the studio on Google Maps

The studio at 20 Dawes Road, London SW6 7EN. Surveys are booked from here and the project manager drives out from here.

One number. Sixty seconds. No callback.

Price your Chelsea new build using the same 2026 rate card we quote real clients with.

Price my Chelsea new build →
If this is your project

The home you actually want, finished on the date in the contract — and you watch every day of it happen from your phone.

How fast
  • Your number in 60 seconds
  • Itemised stage breakdown in 2 minutes
  • Survey within 7 days
What you do

You answer 3 questions. We do the drawings, planning, party wall, trades and snagging.

What protects you
  • 10% to mobilise, then weekly against work already done — with 5% held past handover: 2.5% released at practical completion and 2.5% at the end of the 12-month defects period
  • £550 survey fee credited in full against your contract
  • Every variation priced and signed before a penny is spent

The date is a term of the contract. We finish on the agreed date, or we pay you £500 for every week we are late.

Do not take our word for it

4.8 from 16 Google reviews

Every review is published in full on our reviews page, including the one-star. Google is the only platform we quote a rating for, because it is the only one we can evidence.

★★★★★
As a structural engineer, I've collaborated with 2VP Projects Ltd on several residential projects in London. Their attention to detail, proactive site management, and clear communication make every stage—from design to execution—smooth and efficient. It's rare to find a contractor who values both precision and professionalism at this level. A truly reliable partner.
Igors Smirnovs · Structural engineer we have worked with · June 2025
★★★★★
Great company to work with. Professional, reliable and easy to deal with. Vladimir and the team are always responsive, straightforward and genuinely care about doing things properly. I've had a very positive experience working with 2VP and would happily recommend them.
Sheen Delicatessen · Business client · August 2026
★★★★★
Extension went smoothly from start to finish. Communication was great throughout, and the team delivered exactly what we asked for. Thank you, 2VP!
Dan Martea · August 2026
Warranties and protections

What is covered, and by whom

A builder’s own guarantee is worth exactly as much as the company standing behind it. Here is what comes as standard, what you can add, and what has to come from somebody other than us — set out in full on our insurance and guarantee page.

Included in the contract
  • 12-month workmanship warranty on second-fix fittings
  • £5M public liability
  • £10M employer's liability
  • £2M professional indemnity
Optional, on request
  • HomePro insurance-backed guarantee, 10 years
  • Priced at 2.5% of the contract sum
  • Underwritten by an insurer, so it survives us
Not from us
  • 10-year structural warranty on a new dwelling (NHBC / LABC / Premier)
  • Professional fees — architect, engineer, building control
  • We will tell you when you need one rather than let you find out