The House CheckCheck before you offer

Flat 4, 37 Smith Square, London, SW1P 3HL

Flat / maisonetteLeasehold66 m² · EPC
Last sale£1,140,000Jun 2021 · HM Land Registry
If it moved with City Of Westminster flat prices£1,028,000Aug 2026 · UK HPI
Flood planning zoneIn Flood Zone 3 — check defences and insurance
EnergyEPC DNov 2020
123MapN ↑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

3 things to check

1Flood planning zone: In Flood Zone 3 — check defences and insurance

Flood Zone 3 can affect insurance costs even where flood defences protect the area.

Get an insurance quote and ask the conveyancer for a flood search.

Environment Agency · Oct 2026

2Leasehold: Lease documents needed

The lease term and charges affect future costs and mortgage options.

Ask the agent for the lease, remaining term, charges and planned works.

HM Land Registry · Jun 2021

3Uninsulated solid walls: EPC D

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 · Nov 2020

+ Flood risk 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.

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Price

If it moved with City Of Westminster flat prices

£1,028,000

How does the asking price compare?

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

This home’s sale history

SoldPriceTypeTenureRecord
Jun 2021£1,140,000Flat / maisonetteLeaseholdA

Street sales

Same type and tenure, other homes in the last 36 months: £2,000,000 · 1 sales

AddressSoldPriceTypeTenure
Nobel House, 17 Smith Square, London, SW1P 3JRMar 2026£50,475,000Other propertyFreehold
Flat 2, 40 Smith Square, London, SW1P 3HLMar 2025£2,000,000Flat / maisonetteLeasehold
Flat 3, 37 Smith Square, London, SW1P 3HLSep 2022£1,200,000Flat / maisonetteLeasehold
18 Smith Square, London, SW1P 3HZDec 2021£48,100,000Other propertyFreehold
Flat 4, 37 Smith Square, London, SW1P 3HLJun 2021£1,140,000Flat / maisonetteLeasehold
Flat 3, 30 Smith Square, London, SW1P 3HFJun 2021£2,900,000Flat / maisonetteLeasehold
Flat 8, 37 Smith Square, London, SW1P 3HLJun 2021£680,000Flat / maisonetteLeasehold
Lower Ground, Ground And Second Floor, 34 Smith Square, London, SW1P 3HLMar 2021£161,000Other propertyLeasehold
Show all 42
AddressSoldPriceTypeTenure
Flat 2, 37 Smith Square, London, SW1P 3HLDec 2020£1,100,000Flat / maisonetteLeasehold
Flat 5, 37 Smith Square, London, SW1P 3HLNov 2020£1,010,123Flat / maisonetteLeasehold
8 - 9 Smith Square, London, SW1P 3HTApr 2020£6,257,500TerracedFreehold
36 Smith Square, London, SW1P 3HLNov 2019£14,857,600TerracedFreehold
Flat 3, 37 Smith Square, London, SW1P 3HLMay 2018£980,000Flat / maisonetteLeasehold
Flat 2, 40 Smith Square, London, SW1P 3HLMay 2017£1,600,000Flat / maisonetteLeasehold
Flat 1A, 30 Smith Square, London, SW1P 3HFNov 2016£1,975,000Flat / maisonetteLeasehold
Nobel House, 17 Smith Square, London, SW1P 3JRJan 2016£61,386,128Other propertyFreehold
1 Smith Square, London, SW1P 3HSOct 2015£3,051,000TerracedFreehold
Flat 2, 37 Smith Square, London, SW1P 3HLAug 2015£1,000,000Flat / maisonetteLeasehold
Flat 2, 37 Smith Square, London, SW1P 3HLNov 2014£403,279TerracedFreehold
4 Smith Square, London, SW1P 3HSJul 2014£4,250,000TerracedFreehold
Flat 3, 37 Smith Square, London, SW1P 3HLNov 2011£625,000Flat / maisonetteLeasehold
Flat 1, 40 Smith Square, London, SW1P 3HLJan 2011£1,430,000Flat / maisonetteLeasehold
2 Smith Square, London, SW1P 3HSJan 2011£1,750,000Flat / maisonetteLeasehold
2 Smith Square, London, SW1P 3HSJan 2011£1,750,000TerracedFreehold
Flat 2, 37 Smith Square, London, SW1P 3HLJun 2010£600,000Flat / maisonetteLeasehold
Flat 1,, 40 Smith Square, London, SW1P 3HLApr 2009£800,000Flat / maisonetteLeasehold
Flat 3, 37 Smith Square, London, SW1P 3HLJul 2007£515,000Flat / maisonetteLeasehold
Flat 4, 30 Smith Square, London, SW1P 3HFApr 2005£1,400,000Flat / maisonetteLeasehold
Flat 8, 37 Smith Square, London, SW1P 3HLMar 2005£325,000Flat / maisonetteLeasehold
Flat 5, 37 Smith Square, London, SW1P 3HLDec 2004£377,500Flat / maisonetteLeasehold
Flat 5, 37 Smith Square, London, SW1P 3HLAug 2002£355,000Flat / maisonetteLeasehold
8 - 9 Smith Square, London, SW1P 3HTJun 2002£2,555,089TerracedFreehold
Flat 3, 37 Smith Square, London, SW1P 3HLOct 2000£275,000Flat / maisonetteLeasehold
Flat 2, 30 Smith Square, London, SW1P 3HFOct 2000£880,000Flat / maisonetteLeasehold
Flat 3, 40 Smith Square, London, SW1P 3HLSep 2000£520,000Flat / maisonetteLeasehold
Flat 1, 37 Smith Square, London, SW1P 3HLApr 2000£555,000TerracedFreehold
Flat 5, 30 Smith Square, London, SW1P 3HFMar 2000£874,550Flat / maisonetteLeasehold
Flat 4, 30 Smith Square, London, SW1P 3HFAug 1999£825,000Flat / maisonetteLeasehold
Flat 4, 40 Smith Square, London, SW1P 3HLJan 1999£340,000Flat / maisonetteLeasehold
Flat 5, 37 Smith Square, London, SW1P 3HLJun 1997£147,500Flat / maisonetteLeasehold
4 Smith Square, London, SW1P 3HSFeb 1997£650,000TerracedFreehold
Flat 2, 37 Smith Square, London, SW1P 3HLJun 1995£133,000Flat / maisonetteLeasehold
All street records →

The land

Flood planning zone: In Flood Zone 3 — check defences and insurance

Flood Zone 3 can affect insurance costs even where flood defences protect the area.

Get an insurance quote and ask the conveyancer for a flood search.

Environment Agency · Oct 2026

+ Flood risk 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 D

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 · Nov 2020

Floor area
66 m²
Potential EPC band
C
Age band
England and Wales: 1900-1929
Walls (certificate wording)
Solid brick, as built, no insulation (assumed)
Roof (certificate wording)
(another dwelling above)
Windows (certificate wording)
Single glazed
Heating (certificate wording)
Boiler and radiators, mains gas
Building height
Unavailable

EPC · Nov 2020

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: 1698

SW1P 3HL →

Before you offer

Viewing checklist

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Lease documents

Needs document · Saved privately on this device

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?

  • Flood planning zone: Get an insurance quote and ask the conveyancer for a flood search.
  • Leasehold: Ask the agent for the lease, remaining term, charges and planned works.
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