The House CheckCheck before you offer

31 Cornwallis Square, London, N19 4LY

Flat / maisonetteLeasehold56 m² · EPC
Last sale£75,000Dec 1998 · HM Land Registry
If it moved with Islington flat prices£344,000Aug 2026 · UK HPI
Surface water floodingVery low
EnergyEPC EApr 2017
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

1Leasehold: 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 · Dec 1998

2EPC 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 · Apr 2017

+ 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 Islington flat prices

£344,000

How does the asking price compare?

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

This home’s sale history

SoldPriceTypeTenureRecord
Dec 1998£75,000Flat / maisonetteLeaseholdA

Street sales

AddressSoldPriceTypeTenure
6 Cornwallis Square, London, N19 4LYAug 2026£970,000TerracedFreehold
8 Cornwallis Square, London, N19 4LYJul 2025£930,000TerracedFreehold
6 Cornwallis Square, London, N19 4LYFeb 2018£860,000TerracedFreehold
54 Cornwallis Square, London, N19 4LYJan 2015£320,000Flat / maisonetteLeasehold
4 Cornwallis Square, London, N19 4LYDec 2014£725,000TerracedFreehold
5 Cornwallis Square, London, N19 4LYSep 2014£685,000TerracedFreehold
6 Cornwallis Square, London, N19 4LYDec 2010£499,950TerracedFreehold
83 Cornwallis Square, London, N19 4LZJun 2008£230,000Flat / maisonetteLeasehold
Show all 31
AddressSoldPriceTypeTenure
54 Cornwallis Square, London, N19 4LYOct 2007£227,500Flat / maisonetteLeasehold
6 Cornwallis Square, London, N19 4LYJul 2007£380,000TerracedFreehold
4 Cornwallis Square, London, N19 4LYMar 2007£370,000TerracedFreehold
5 Cornwallis Square, London, N19 4LYNov 2006£369,950TerracedFreehold
8 Cornwallis Square, London, N19 4LYSep 2005£355,000TerracedFreehold
10 Cornwallis Square, London, N19 4LYAug 2005£365,000TerracedFreehold
49 Cornwallis Square, London, N19 4LYJun 2005£76,250Flat / maisonetteLeasehold
2 Cornwallis Square, London, N19 4LYOct 2004£350,000TerracedFreehold
27 Cornwallis Square, London, N19 4LYAug 2004£165,000Flat / maisonetteLeasehold
51 Cornwallis Square, London, N19 4LYApr 2004£149,000Flat / maisonetteLeasehold
83 Cornwallis Square, London, N19 4LZJan 2004£147,500Flat / maisonetteLeasehold
50 Cornwallis Square, London, N19 4LYDec 2002£67,500Flat / maisonetteLeasehold
83 Cornwallis Square, London, N19 4LZMay 1999£73,000Flat / maisonetteLeasehold
5 Cornwallis Square, London, N19 4LYDec 1998£175,000TerracedFreehold
6 Cornwallis Square, London, N19 4LYDec 1998£163,000TerracedFreehold
31 Cornwallis Square, London, N19 4LYDec 1998£75,000Flat / maisonetteLeasehold
50 Cornwallis Square, London, N19 4LYSep 1998£33,000Flat / maisonetteLeasehold
10 Cornwallis Square, London, N19 4LYJul 1998£172,950TerracedFreehold
13 Cornwallis Square, London, N19 4LYJan 1998£151,500TerracedFreehold
29 Cornwallis Square, London, N19 4LYJun 1997£60,000Flat / maisonetteLeasehold
83 Cornwallis Square, London, N19 4LZFeb 1997£47,500Flat / maisonetteLeasehold
12 Cornwallis Square, London, N19 4LYJul 1996£133,500TerracedFreehold
11 Cornwallis Square, London, N19 4LYMay 1996£140,000Semi-detachedFreehold
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

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 · Apr 2017

Floor area
56 m²
Potential EPC band
C
Age band
England and Wales: 1967-1975
Walls (certificate wording)
Cavity wall, as built, no insulation (assumed)
Roof (certificate wording)
Pitched, 100 mm loft insulation
Windows (certificate wording)
Single glazed
Heating (certificate wording)
Electric storage heaters
Building height
Unavailable

EPC · Apr 2017

Living

Broadband in the area

Postcode residential gigabit coverage: 100%

Full fibre in the local authority: 83.6%

Ofcom · Jan 2026

Schools nearby

DfE GIAS · Nov 2026 · Ofsted · Sep 2026

Area context

Deprivation decile (1 is most deprived within its nation): 3 · England 2025

Recorded police incidents: 228

N19 4LY →

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?

  • Energy certificate: 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?

  • 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