The House CheckCheck before you offer

15 Formosa Street, London, W9 2JS

TerracedFreehold266 m² · EPC
Last sale£3,750,000Jun 2019 · HM Land Registry
If it moved with City Of Westminster terrace prices£3,601,000Aug 2026 · UK HPI
Surface water floodingMedium
EnergyEPC ESep 2012
12MapN ↑119 m ↔
Contains OS data © Crown copyright and database right 2026 · Contains HM Land Registry data © Crown copyright and database right 2026

Before you offer

2 things to check

1Surface water flooding: Medium

Heavy rain can collect around the home and affect insurance costs.

Ask about previous flooding and obtain an insurance quote; ask the conveyancer about a flood search.

Environment Agency · Jun 2026

2Uninsulated solid walls: EPC E

Poor insulation or an EPC E–G rating can mean higher heating bills.

Read the full certificate and ask about insulation and heating costs.

EPC · Sep 2012

+ Rivers and sea flooding: Very low · Outside coal high-risk area · Not in a higher-radon area

Not covered here yet: conservation area, listed buildings nearby, article 4 direction, tree protection, road noise, rail noise, airport noise. Your conveyancer’s local search covers the planning checks.

Prepare for a viewing ↓Saved privately on this device

Price

If it moved with City Of Westminster terrace prices

£3,601,000

How does the asking price compare?

Enter a figure, or “offers over £500k”. Saved privately on this device

This home’s sale history

May 2013 £3,650,000Jun 2019 £3,750,000May 2013Jun 2019£3,750,000
SoldPriceTypeTenureRecord
Jun 2019£3,750,000TerracedFreeholdA
May 2013£3,650,000TerracedFreeholdA

Street sales

AddressSoldPriceTypeTenure
8 Formosa Street, London, W9 1EEFeb 2026£70,000Other propertyLeasehold
Flat 3, 44 Formosa Street, London, W9 2JPAug 2025£486,000Flat / maisonetteLeasehold
Flat 3, 44 Formosa Street, London, W9 2JPMar 2025£500,000Flat / maisonetteLeasehold
Flat 1, 44 Formosa Street, London, W9 2JPMar 2025£600,000Flat / maisonetteLeasehold
Flat 1, 44 Formosa Street, London, W9 2JPNov 2024£425,000Flat / maisonetteLeasehold
Flat B, 3 Formosa Street, London, W9 1EEOct 2024£516,000Flat / maisonetteLeasehold
Flat C, 3 Formosa Street, London, W9 1EEMar 2024£450,000Flat / maisonetteLeasehold
30 Formosa Street, London, W9 2QAOct 2022£3,800,000TerracedFreehold
Show all 90
AddressSoldPriceTypeTenure
38 Formosa Street, London, W9 2JPFeb 2022£1,195,000Flat / maisonetteLeasehold
25B Formosa Street, London, W9 2JSFeb 2022£500,000Flat / maisonetteLeasehold
Second Floor Flat, 29 Formosa Street, London, W9 2JSDec 2021£550,000Flat / maisonetteLeasehold
Ground Floor And Basement Premises, 14 Formosa Street, London, W9 1EEOct 2021£25,000Other propertyLeasehold
40C Formosa Street, London, W9 2JPJun 2021£500,000Flat / maisonetteLeasehold
38 Formosa Street, London, W9 2JPJun 2021£810,000Flat / maisonetteLeasehold
40D Formosa Street, London, W9 2JPDec 2020£598,044Other propertyLeasehold
40B Formosa Street, London, W9 2JPNov 2020£385,500Other propertyLeasehold
Ground Floor And Basement Premises, 14 Formosa Street, London, W9 1EENov 2020£45,000Other propertyLeasehold
28 Formosa Street, London, W9 2QAApr 2020£3,450,000TerracedFreehold
Basement Flat, 34A Formosa Street, London, W9 2QAMar 2020£793,000Flat / maisonetteLeasehold
15 Formosa Street, London, W9 2JSJun 2019£3,750,000TerracedFreehold
Ground And Basement Shop Premises, 6 Formosa Street, London, W9 1EENov 2018£20,000Other propertyLeasehold
Ground Floor And Basement Premises, 14 Formosa Street, London, W9 1EENov 2017£215,000Other propertyLeasehold
Ground Floor Flat, 34 Formosa Street, London, W9 2QASep 2017£850,000Flat / maisonetteLeasehold
First Floor Flat, 40 Formosa Street, London, W9 2JPSep 2015£765,000Flat / maisonetteLeasehold
Second Floor Flat, 29 Formosa Street, London, W9 2JSAug 2015£531,000Flat / maisonetteLeasehold
Flat 6, Browning House, 21 Formosa Street, London, W9 2JSOct 2014£699,950Flat / maisonetteLeasehold
Basement And Ground Floor, 18 Formosa Street, London, W9 1EEMar 2014£35,001Other propertyLeasehold
27B Formosa Street, London, W9 2JSDec 2013£560,000Flat / maisonetteLeasehold
Flat, 14 Formosa Street, London, W9 1EEOct 2013£785,000TerracedFreehold
Flat 3, 5 Formosa Street, London, W9 1EESep 2013£250,000Flat / maisonetteLeasehold
15 Formosa Street, London, W9 2JSMay 2013£3,650,000TerracedFreehold
8C Formosa Street, London, W9 1EEOct 2012£285,000Flat / maisonetteLeasehold
40A Formosa Street, London, W9 2JPMay 2012£410,000Flat / maisonetteLeasehold
First Floor Flat, 40 Formosa Street, London, W9 2JPMar 2012£550,000Flat / maisonetteLeasehold
First And Second Floor Flat, 34 Formosa Street, London, W9 2QAFeb 2012£965,000Flat / maisonetteLeasehold
Basement Flat, 22 Formosa Street, London, W9 2QANov 2011£3,100,000TerracedFreehold
Flat, 1 Formosa Street, London, W9 1EEJan 2011£350,000TerracedFreehold
Flat 2, Browning House, 21 Formosa Street, London, W9 2JSDec 2010£480,000Flat / maisonetteLeasehold
Ground Floor Flat, 34 Formosa Street, London, W9 2QASep 2010£365,000Flat / maisonetteLeasehold
27A Formosa Street, London, W9 2JSSep 2009£860,000Flat / maisonetteLeasehold
First Floor Flat, 40 Formosa Street, London, W9 2JPSep 2009£480,000Flat / maisonetteLeasehold
Garden Flat, 40 Formosa Street, London, W9 2JPJul 2009£675,000Flat / maisonetteLeasehold
Flat 7, Browning House, 21 Formosa Street, London, W9 2JSJul 2009£525,000Flat / maisonetteLeasehold
Flat C, 3 Formosa Street, London, W9 1EEJul 2009£243,000Flat / maisonetteLeasehold
27B Formosa Street, London, W9 2JSJun 2009£325,000Flat / maisonetteLeasehold
Flat 1, 5 Formosa Street, London, W9 1EEJun 2009£200,000Flat / maisonetteLeasehold
Flat B, 3 Formosa Street, London, W9 1EEJun 2007£271,000Flat / maisonetteLeasehold
40C Formosa Street, London, W9 2JPNov 2006£283,500Flat / maisonetteLeasehold
Flat C, 3 Formosa Street, London, W9 1EEMar 2006£190,000Flat / maisonetteLeasehold
27C Formosa Street, London, W9 2JSAug 2004£250,000Flat / maisonetteLeasehold
Flat 3, 5 Formosa Street, London, W9 1EEMay 2004£167,000Flat / maisonetteLeasehold
Flat 3, 5 Formosa Street, London, W9 1EEOct 2003£139,000Flat / maisonetteLeasehold
30 Formosa Street, London, W9 2QASep 2003£1,150,000TerracedFreehold
Ground Floor And Basement Premises, 14 Formosa Street, London, W9 1EEJun 2003£112,000Flat / maisonetteLeasehold
Basement Flat, 22 Formosa Street, London, W9 2QAMay 2003£301,000Flat / maisonetteLeasehold
Basement Flat, 34A Formosa Street, London, W9 2QAJun 2002£320,000Flat / maisonetteLeasehold
30 Formosa Street, London, W9 2QAMay 2002£1,167,500TerracedFreehold
27B Formosa Street, London, W9 2JSMar 2002£249,950Flat / maisonetteLeasehold
40C Formosa Street, London, W9 2JPJul 2001£187,000Flat / maisonetteLeasehold
30 Formosa Street, London, W9 2QAJun 2001£580,000Flat / maisonetteLeasehold
First And Second Floor Flat, 34 Formosa Street, London, W9 2QADec 2000£420,000Flat / maisonetteLeasehold
8C Formosa Street, London, W9 1EEDec 2000£110,000Flat / maisonetteLeasehold
Flat 2, Browning House, 21 Formosa Street, London, W9 2JSSep 2000£242,000Flat / maisonetteLeasehold
27C Formosa Street, London, W9 2JSAug 2000£175,000Flat / maisonetteLeasehold
27A Formosa Street, London, W9 2JSMay 2000£450,000TerracedLeasehold
Flat 3, 5 Formosa Street, London, W9 1EEMar 2000£108,000Flat / maisonetteLeasehold
Ground Floor Flat, 34 Formosa Street, London, W9 2QAMar 2000£210,000Flat / maisonetteLeasehold
Flat 3, 5 Formosa Street, London, W9 1EEMar 2000£83,000Flat / maisonetteLeasehold
Flat C, 3 Formosa Street, London, W9 1EEMar 2000£110,000Flat / maisonetteLeasehold
40C Formosa Street, London, W9 2JPSep 1999£138,000Flat / maisonetteLeasehold
Flat 2, 5 Formosa Street, London, W9 1EEJul 1999£115,000Flat / maisonetteLeasehold
8A Formosa Street, London, W9 1EEMay 1999£91,000Flat / maisonetteLeasehold
Flat 2, 44 Formosa Street, London, W9 2JPApr 1999£55,502Flat / maisonetteLeasehold
Flat 3, 44 Formosa Street, London, W9 2JPApr 1999£52,034Flat / maisonetteLeasehold
Flat 1, 44 Formosa Street, London, W9 2JPApr 1999£58,971Flat / maisonetteLeasehold
Basement Flat, 34A Formosa Street, London, W9 2QAFeb 1999£180,000Flat / maisonetteLeasehold
Flat A, 3 Formosa Street, London, W9 1EEFeb 1999£102,500Flat / maisonetteLeasehold
Flat A, 3 Formosa Street, London, W9 1EENov 1998£80,000Flat / maisonetteLeasehold
Flat 7, Browning House, 21 Formosa Street, London, W9 2JSAug 1998£290,000Flat / maisonetteLeasehold
Flat B, 3 Formosa Street, London, W9 1EEAug 1998£85,000Flat / maisonetteLeasehold
Flat 1, 5 Formosa Street, London, W9 1EEJun 1998£120,000Flat / maisonetteLeasehold
30 Formosa Street, London, W9 2QAMay 1998£425,000Flat / maisonetteLeasehold
Basement Flat, 22 Formosa Street, London, W9 2QAJul 1997£145,000Flat / maisonetteLeasehold
Second Floor Flat, 29 Formosa Street, London, W9 2JSApr 1997£88,500Flat / maisonetteLeasehold
27C Formosa Street, London, W9 2JSApr 1997£80,000Flat / maisonetteLeasehold
27C Formosa Street, London, W9 2JSApr 1997£98,000Flat / maisonetteLeasehold
Basement Flat, 34A Formosa Street, London, W9 2QADec 1995£115,350Flat / maisonetteLeasehold
Flat 3, 44 Formosa Street, London, W9 2JPAug 1995£75,000Flat / maisonetteLeasehold
Flat 1, 44 Formosa Street, London, W9 2JPAug 1995£80,000Flat / maisonetteLeasehold
Flat 2, 44 Formosa Street, London, W9 2JPAug 1995£85,000Flat / maisonetteLeasehold
All street records →

The land

Surface water flooding: Medium

Heavy rain can collect around the home and affect insurance costs.

Ask about previous flooding and obtain an insurance quote; ask the conveyancer about a flood search.

Environment Agency · Jun 2026

+ Rivers and sea flooding: Very low · Outside coal high-risk area · Not in a higher-radon area

Not covered here yet: conservation area, listed buildings nearby, article 4 direction, tree protection. Your conveyancer’s local search covers the planning checks.

View building and land map ↑

The building

Uninsulated solid walls: EPC E

Poor insulation or an EPC E–G rating can mean higher heating bills.

Read the full certificate and ask about insulation and heating costs.

EPC · Sep 2012

Floor area
266 m²
Potential EPC band
C
Age band
England and Wales: 1930-1949
Walls (certificate wording)
Solid brick, as built, no insulation (assumed)
Roof (certificate wording)
Flat, no insulation (assumed)
Windows (certificate wording)
Fully double glazed
Heating (certificate wording)
Boiler and radiators, mains gas
Building height
Unavailable

EPC · Sep 2012

Living

Broadband in the area

Postcode residential gigabit coverage: 100%

Full fibre in the local authority: 87.3%

Ofcom · Jan 2026

Schools nearby

DfE GIAS · Nov 2026 · Ofsted · Sep 2026

Area context

Deprivation decile (1 is most deprived within its nation): 7 · England 2025

Recorded police incidents: 138

W9 2JS →

Before you offer

Viewing checklist

Saved privately on this device

Refresh the saved facts when you return. No email alerts are sent.

Next steps

Ask a surveyor to confirm Level 2 or Level 3 after reviewing the age, condition and alterations.

Ask the conveyancer about local authority, drainage, environmental, flood and mining searches appropriate to this address.

Compare survey levels →

Questions for the agent

Questions for your surveyor and conveyancer

Ask the surveyor

Which survey level covers this home’s condition, damp, cracks and any alterations?

  • Uninsulated solid walls: Read the full certificate and ask about insulation and heating costs.

Ask the conveyancer

Which title, drainage and local searches are needed for this address?

  • Surface water flooding: Ask about previous flooding and obtain an insurance quote; ask the conveyancer about a flood search.
Sources and licences

Contains British Geological Survey materials © UKRI 2026

Radon Potential classification UK Health Security Agency © Crown copyright 2022

© Environment Agency copyright and/or database right 2026. All rights reserved.

INSPIRE conditions · Sources and licences