2VP
020 8050 8968Get your free estimate →
PROJECT COST CALCULATOR · LONDON

Three ways to price your London project.

Built on 120+ delivered projects across Fulham, Chelsea, Wandsworth and Kensington. Get an instant range, an emailed breakdown, or a full AI-guided estimate.

★★★★★4.8 Google·4.9 Houzz·4.7 Trustpilot
OR TALK TO A HUMAN
120+ PROJECTSFIXED-PRICE10-YEAR GUARANTEEVAT INCLUSIVE
PICK YOUR PROJECT TYPE

Tap one — we’ll take you straight to Olive, our AI estimator, with your project type ready.

Ranges calibrated against 120+ delivered London projects at Balanced spec — sight-unseen, refined once we walk the site.

WHAT’S ON THE TABLE
↓
EVERYTHING ON THE TABLE

What’s on the table when you appoint us

TOTAL VALUE STACKED
£10,340 in vouchers + every guarantee that comes with a 2VP contract
WHAT’S INSIDE THE £10,340
Kitchen designer (Selection.Works)£600
Kitchen voucher£2,000
Window voucher (AtoZ Glass)£800
52 free variation hours @ £120/hr£6,240
Architect voucher£150
Surveyor's report — credited if you appoint us£550
TOTAL VOUCHERS£10,340
FREE
5 MIN · NO EMAIL ON QUICK PATH
START YOUR ESTIMATE ↓
PLUS EVERY GUARANTEE WITH EVERY CONTRACT
10-YEAR GUARANTEE
IBG-backed workmanship, written into every JCT contract
FIXED PRICE
No overruns on signed scope — written into the contract
£5M LIABILITY
Public liability cover, included on every project
REAL COMPARABLE
A delivered project shown alongside your live estimate
PROGRAMME WEEKS
Calibrated against 120+ delivered London projects

Vouchers and credits redeemable on contract signature. Guarantees applied to every signed JCT contract.

How fast do you need an answer?

All three use the same pricing logic — they just differ in how much detail you give us.

Instant Estimate

Drop in the floor area and finish level. Get a realistic cost range in seconds. No email required.

~30 seconds · Free→

Emailed Breakdown

Same number plus a one-page PDF showing the cost split by stage — sent to your inbox.

~2 minutes · Free→
AI

AI Estimator

Describe your project in plain English. Our AI agent asks the right questions and prepares a full itemised estimate.

~5 minutes · Full breakdown→

Instant Estimate

Three quick choices, one honest range — no email needed.

PATH 1 — INSTANT

What’s the size of the works?

Drop in floor area and choose a finish level. The number on the right updates live.

Not sure what you’re building?

Pick your project type visually

Click the one that looks like your project — we’ll open the AI estimator with the right rates pre-loaded.

LOFT CONVERSIONS
EXTENSIONS
The proof behind the numbers

Projects we’ve delivered

Every estimate is calibrated against real contracts. These are some of the benchmarks.

WE'VE DELIVEREDREF P001
Loft conversion + full house renovation
Islington (N7) · Victorian mid-terrace, 3-storey
Size
95 m²
Cost
£199,582
Weeks
14w

Loft conversion (22 m² internal, 41 m² construction) PLUS full lower-floor renovation across the whole 95 m² home.

  • · New rear dormer + EPDM flat roof + terrace
  • · Master bedroom suite + new loft bathroom
  • · Full house rewire + replumb + new kitchen install
WE'VE DELIVEREDREF P002
Single-storey wrap-around extension + bathroom refurb
Brockley (SE4) · Victorian terrace, occupied during works
Size
58 m²
Cost
£215,331
Weeks
15w

Wrap-around extension (rear + side return, 58 m² new floor) PLUS first-floor bathroom refurb and boiler relocation.

  • · Single-storey wrap-around (rear + side return, ~58 m²)
  • · New kitchen-diner (£13.7k bespoke joinery)
  • · First-floor bathroom refurb + boiler relocation
DESIGN BENCHMARKREF P004
3-storey new-build dwelling
Outer London (Zone 3+) · 3-storey detached residential
Size
432 m²
Cost
£850,000
Weeks
57w

Headline benchmark only. Full SoW pending. Location anonymised pending client consent.

  • · Ground-up 3-storey residential dwelling (432 m² GIA)
  • · VAT zero-rated under HMRC Notice 708
  • · £1,968/m² — cheapest-per-m² product 2VP offers
WE'VE DELIVEREDREF P005
30 m² rear-dormer loft + full property renovation
2VP canonical reference (Inner London) · Real priced contract
Size
30 m²
Cost
£117,814
Weeks
11w

30 m² rear dormer loft conversion PLUS full lower-floor renovation. Standalone loft only ≈ £100k incl VAT.

  • · Rear dormer + new staircase + en-suite
  • · Full lower-floor property renovation included
  • · 45 electrical points · client-supplied kitchen
WE'VE DELIVEREDREF P006
Double-storey rear + side extensions · 6-flat conversion
Croydon (CR2) · Pair of period houses converted to 6 flats
Size
320 m²
Cost
£1,059,316
Weeks
41w

Strip-to-brick 6-flat conversion + double-storey rear and side extensions on 320 m² total GIA. Multi-unit volume discount applied.

  • · 6-flat conversion (avg 53 m²/flat) · 6.8 weeks/flat
  • · Double-storey rear + side extensions across both houses
  • · 15 bathroom installs · 9 cloakrooms · 6 boilers
WE'VE DELIVEREDREF P007
1-bed flat full interior refurbishment
King's Cross (N1C) · Modern 1-bed apartment, 3.0 m ceilings
Size
40 m²
Cost
£87,434
Weeks
8w

Full interior refurbishment of a 40 m² 1-bed flat (kitchen, bathroom, electrics, joinery, decoration).

  • · Bottom-up costing (hours × £25 + materials)
  • · Bathroom 1st+2nd fix · joinery install (kitchen, wardrobe, TV cabinet)
  • · Two-port designer AC cooler · paint + skim · consumer-unit refit
What you get

2VP vs. a typical London builder

WHAT YOU GET
2VP
TYPICAL
Fixed-price contract (JCT Minor Works)
✓
✗
Dedicated project manager on site
✓
✗
Programme guarantee (weeks stated upfront)
✓
✗
10-year workmanship guarantee
✓
✗
Pre-contract comparable project data
✓
✗
RIBA-qualified design partner available
✓
✗
VAT-inclusive quoting (no bill shock)
✓
✗
Contingency included in quoted price
✓
✗
£5M public liability + HomePro insurance
✓
✓
Online project progress updates
✓
✗

Based on 2VP’s standard contract terms and a survey of typical London main contractors.

★★★★★4.9Google · 52 reviews
★★★★★4.9Houzz · 38 reviews
★★★★★4.7Trustpilot · 31 reviews
✓Fixed-price contracts
✓£5M public liability
✓HomePro insured
✓10-year guarantee
Common questions

Frequently asked

Next step

Ready to talk it through?

Estimates get you a number. These get you a plan.

IN PERSON

Site visit

Vladimir or Nicholas walks your property. 45 minutes. Results in a measured survey and early design ideas.

ONLINE

Zoom call

15–30 minute call to scope the project and walk through your options before anything is committed to paper.

SPECIALIST

Full surveyor visit

Measured drawings + planning pre-app + structural assessment. For complex projects or planning-sensitive areas.

📞 020 8050 8968·✉ hi@2vp.uk