The House CheckCheck before you offer

4 Cornwall Avenue, London, N3 1LD

Semi-detachedFreehold139 m² · EPC
Last sale£211,000Apr 1998 · HM Land Registry
If it moved with Barnet semi-detached prices£1,086,000Aug 2026 · UK HPI
Surface water floodingVery low
EnergyEPC EJun 2023
1MapN ↑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

1 thing to check

1Uninsulated 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 · Jun 2023

＋ 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.

Prepare for a viewing ↓Saved privately on this device

Price

HM Land Registry · Sep 2026 · UK HPI · Aug 2026

If it moved with Barnet semi-detached prices

£1,086,000

How does the asking price compare?

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

This home’s sale history

SoldPriceTypeTenureRecord
Apr 1998£211,000Semi-detachedFreeholdA

Street sales

Same type and tenure, other homes in the last 36 months: £825,000 · 1 sales

AddressSoldPriceTypeTenure
Ground Floor Flat, 42 Cornwall Avenue, London, N22 7DAJul 2026£520,000Flat / maisonetteLeasehold
8 Cornwall Avenue, London, N22 7DAJun 2026£765,000TerracedFreehold
Flat 10, Shelley House Cornwall Avenue, London, E2 0HEFeb 2026£564,310Flat / maisonetteLeasehold
15 Cornwall Avenue, London, N3 1LHJun 2025£825,000Semi-detachedFreehold
Flat 16, Whitman House Cornwall Avenue, London, E2 0HFMar 2025£565,000Flat / maisonetteLeasehold
30 Cornwall Avenue, London, N22 7DADec 2024£1,051,000TerracedFreehold
25 Cornwall Avenue, London, N22 7DANov 2024£1,062,500TerracedFreehold
Ground Floor Flat, 42 Cornwall Avenue, London, N22 7DAJun 2022£500,000Flat / maisonetteLeasehold
Show all 100
AddressSoldPriceTypeTenure
17 Cornwall Avenue, London, N22 7DAMay 2021£857,000TerracedFreehold
25 Cornwall Avenue, London, N22 7DAFeb 2020£757,500TerracedFreehold
2, Cornwall Court Cornwall Avenue, London, N22 7BXSep 2019£400,000Flat / maisonetteLeasehold
Flat 10, Shelley House Cornwall Avenue, London, E2 0HEJun 2019£485,000Flat / maisonetteLeasehold
Ground Floor Flat, 42 Cornwall Avenue, London, N22 7DAOct 2018£500,000Flat / maisonetteLeasehold
28 Cornwall Avenue, London, N22 7DAJun 2017£810,000TerracedFreehold
4 Cornwall Avenue, London, N22 7DAMar 2017£730,000TerracedFreehold
2, Cornwall Court Cornwall Avenue, London, N22 7BXJan 2017£9,540Other propertyLeasehold
1, Cornwall Court Cornwall Avenue, London, N22 7BXJan 2017£9,540Other propertyFreehold
1, Cornwall Court Cornwall Avenue, London, N22 7BXMar 2016£345,000Flat / maisonetteLeasehold
Ground Floor Flat, 42 Cornwall Avenue, London, N22 7DAOct 2015£415,000Flat / maisonetteLeasehold
21 Cornwall Avenue, London, N22 7DAAug 2015£839,950TerracedFreehold
Flat 12, Whitman House Cornwall Avenue, London, E2 0HFJan 2015£385,000Flat / maisonetteLeasehold
6B Cornwall Avenue, London, N22 7DANov 2014£370,000Flat / maisonetteLeasehold
2, Cornwall Court Cornwall Avenue, London, N22 7BXMay 2013£250,000Flat / maisonetteLeasehold
37 Cornwall Avenue, London, N22 7DANov 2012£468,000TerracedFreehold
Flat 16, Whitman House Cornwall Avenue, London, E2 0HFApr 2012£286,000Flat / maisonetteLeasehold
29 Cornwall Avenue, London, N22 7DAOct 2011£514,000TerracedFreehold
26 Cornwall Avenue, London, N22 7DAMar 2011£460,000TerracedFreehold
2 Cornwall Avenue, London, N3 1LDJul 2010£682,500Semi-detachedFreehold
Bridford House Cornwall Avenue, London, N3 1LHJul 2010£499,950Semi-detachedFreehold
21 Cornwall Avenue, London, N22 7DAJul 2009£435,000TerracedFreehold
41 Cornwall Avenue, London, N22 7DAJun 2009£435,000TerracedFreehold
Flat 7, Whitman House Cornwall Avenue, London, E2 0HFApr 2008£225,000Flat / maisonetteLeasehold
Ground Floor Flat, 42 Cornwall Avenue, London, N22 7DAApr 2008£285,000Flat / maisonetteLeasehold
17 Cornwall Avenue, London, N22 7DAMar 2008£410,000TerracedFreehold
32 Cornwall Avenue, London, N3 1LGNov 2007£530,000Semi-detachedFreehold
Flat 12, Whitman House Cornwall Avenue, London, E2 0HFSep 2007£235,000Flat / maisonetteLeasehold
Flat 10, Shelley House Cornwall Avenue, London, E2 0HEAug 2007£235,000Flat / maisonetteLeasehold
30 Cornwall Avenue, London, N22 7DAAug 2007£530,555TerracedFreehold
2, Cornwall Court Cornwall Avenue, London, N22 7BXAug 2007£245,000Flat / maisonetteLeasehold
7 Cornwall Avenue, London, N3 1LHMay 2007£429,000TerracedFreehold
Ground Floor Flat, 42 Cornwall Avenue, London, N22 7DAMay 2007£212,000Flat / maisonetteLeasehold
6B Cornwall Avenue, London, N22 7DAApr 2007£235,000Flat / maisonetteLeasehold
2, Cornwall Court Cornwall Avenue, London, N22 7BXMar 2007£198,500Flat / maisonetteLeasehold
8 Cornwall Avenue, London, N3 1LDFeb 2007£430,000Semi-detachedFreehold
15 Cornwall Avenue, London, N3 1LHJan 2007£420,000Semi-detachedFreehold
42 Cornwall Avenue, London, N22 7DANov 2006£220,000TerracedFreehold
3, Cornwall Court Cornwall Avenue, London, N22 7BXSep 2006£155,000Flat / maisonetteLeasehold
Flat 16, Whitman House Cornwall Avenue, London, E2 0HFAug 2006£237,500Flat / maisonetteLeasehold
39 Cornwall Avenue, London, N22 7DAMay 2006£430,000TerracedFreehold
1 Cornwall Avenue, London, N22 7DAApr 2006£195,000TerracedFreehold
1, Cornwall Court Cornwall Avenue, London, N22 7BXJan 2006£157,000Flat / maisonetteLeasehold
5 Cornwall Avenue, London, N3 1LHJul 2005£380,000TerracedFreehold
13 Cornwall Avenue, London, N3 1LHJul 2005£164,948TerracedFreehold
44 Cornwall Avenue, London, N22 7DAApr 2005£400,000TerracedFreehold
18 Cornwall Avenue, London, N22 7DAMar 2005£325,000TerracedFreehold
26 Cornwall Avenue, London, N22 7DAJul 2004£287,000TerracedFreehold
30 Cornwall Avenue, London, N3 1LGJul 2004£249,950Flat / maisonetteLeasehold
Bridford House Cornwall Avenue, London, N3 1LHApr 2004£385,000Semi-detachedFreehold
41 Cornwall Avenue, London, N22 7DASep 2003£300,000TerracedFreehold
30 Cornwall Avenue, London, N3 1LGAug 2003£229,950Flat / maisonetteLeasehold
4 Cornwall Avenue, London, N22 7DAJul 2003£315,000TerracedFreehold
37 Cornwall Avenue, London, N22 7DAJan 2003£310,000TerracedFreehold
25 Cornwall Avenue, London, N3 1LHNov 2002£154,950Flat / maisonetteLeasehold
28 Cornwall Avenue, London, N22 7DAOct 2002£305,000TerracedFreehold
18 Cornwall Avenue, London, N22 7DAJun 2002£275,000TerracedFreehold
21 Cornwall Avenue, London, N22 7DAJun 2002£286,000TerracedFreehold
8 Cornwall Avenue, London, N22 7DAMay 2002£213,000TerracedFreehold
35 Cornwall Avenue, London, N22 7DAMay 2002£270,000TerracedFreehold
2 Cornwall Avenue, London, N3 1LDApr 2002£390,000Semi-detachedFreehold
6A Cornwall Avenue, London, N22 7DANov 2001£135,000Flat / maisonetteLeasehold
30 Cornwall Avenue, London, N3 1LGAug 2001£208,000Flat / maisonetteLeasehold
33 Cornwall Avenue, London, N22 7DAMay 2001£242,000TerracedFreehold
13 Cornwall Avenue, London, N3 1LHMar 2001£246,500TerracedFreehold
46 Cornwall Avenue, London, N22 7DAJan 2001£230,000TerracedFreehold
29 Cornwall Avenue, London, N22 7DAJan 2001£227,000TerracedFreehold
2 Cornwall Avenue, London, N3 1LDOct 2000£299,950Semi-detachedFreehold
7 Cornwall Avenue, London, N3 1LHNov 1999£210,000TerracedFreehold
6B Cornwall Avenue, London, N22 7DANov 1999£93,500Flat / maisonetteLeasehold
6A Cornwall Avenue, London, N22 7DASep 1999£92,000Flat / maisonetteLeasehold
7 Cornwall Avenue, London, N3 1LHSep 1999£185,000TerracedFreehold
7 Cornwall Avenue, London, N3 1LHJun 1999£152,000TerracedFreehold
15 Cornwall Avenue, London, N3 1LHJun 1999£177,000Semi-detachedFreehold
18 Cornwall Avenue, London, N22 7DASep 1998£149,000TerracedFreehold
25 Cornwall Avenue, London, N3 1LHMay 1998£85,000Flat / maisonetteLeasehold
4 Cornwall Avenue, London, N3 1LDApr 1998£211,000Semi-detachedFreehold
Flat 12, Whitman House Cornwall Avenue, London, E2 0HFDec 1997£70,000Flat / maisonetteLeasehold
25 Cornwall Avenue, London, N3 1LHJun 1997£81,000TerracedLeasehold
17 Cornwall Avenue, London, N3 1LHJun 1997£20,000TerracedFreehold
35 Cornwall Avenue, London, N22 7DAMay 1997£140,000TerracedFreehold
2 Cornwall Avenue, London, N22 7DAMay 1997£114,000TerracedFreehold
30 Cornwall Avenue, London, N22 7DAMay 1997£130,000TerracedFreehold
25 Cornwall Avenue, London, N22 7DAJan 1997£99,000TerracedFreehold
32 Cornwall Avenue, London, N3 1LGDec 1996£165,000Semi-detachedFreehold
39 Cornwall Avenue, London, N22 7DANov 1996£113,000TerracedFreehold
28 Cornwall Avenue, London, N22 7DAJun 1996£98,000TerracedFreehold
33 Cornwall Avenue, London, N22 7DADec 1995£94,600TerracedFreehold
13 Cornwall Avenue, London, N3 1LHAug 1995£140,000TerracedFreehold
4 Cornwall Avenue, London, N22 7DAAug 1995£98,000TerracedFreehold
17 Cornwall Avenue, London, N3 1LHJul 1995£118,000TerracedFreehold
30 Cornwall Avenue, London, N3 1LGJun 1995£88,000Flat / maisonetteLeasehold
All street records →

The land

＋ 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 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 · Jun 2023

Floor area
139 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)
Pitched, no insulation (assumed)
Windows (certificate wording)
Mostly double glazing
Heating (certificate wording)
Boiler and radiators, mains gas
Building height
Unavailable

EPC · Jun 2023

Living

Broadband in the area

Postcode residential gigabit coverage: 100%

Full fibre in the local authority: 69.4%

Ofcom · Jan 2026

Schools nearby

DfE GIAS · Nov 2026 · Ofsted · Sep 2026

Area context

Deprivation decile (1 is most deprived within its nation): 5 · England 2025

Recorded police incidents: 354

N3 1LD →

Before you offer

Viewing checklist

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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?

    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