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27 Cornwallis Square, London, N19 4LY

UPRN:5300024305Flat/Maisonette1 bedsBuilt 1967-1975
LeaseholdCouncil Tax: Band CEPC: E (53)
Data freshness:Planning· 5mo agoPlanning: stale, refreshed 5mo ago (2026-06-12T06:29:16.524286+00:00)Ownership· freshOwnership: fresh, refreshed 2d ago (2026-11-10T19:40:54.687006+00:00)EPC· 6mo agoEPC: stale, refreshed 6mo ago (2026-05-20T10:58:39.129138+00:00)Risk· 5mo agoRisk: stale, refreshed 5mo ago (2026-06-18T00:00:00+00:00)Connectivity· 1mo agoConnectivity: ageing, refreshed 1mo ago (2026-10-03T06:43:10.905825+00:00)Schools· 1mo agoSchools: ageing, refreshed 1mo ago (2026-10-06T08:24:30.427161+00:00)Amenities· 2mo agoAmenities: ageing, refreshed 2mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refreshCouncil Tax· 6mo agoCouncil Tax: stale, refreshed 6mo ago (2026-05-20T09:33:12.870431+00:00)
27 Cornwallis Square, London, N19 4LY

HP Score

Mixed
Verdict
2 days ago
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Mixed signals - investigate

Evidence
20 of 21 sources
Sale Estimate
£389,000
£351k - £428kMedium
Estimate
£389k
Range
£351k – £428k
Rent Estimate (pcm)
£1,700
£2k - £2k
Monthly
£1,700
Yield
5.24%

Verdict

Derived from HomePortfolio scores

27 Cornwallis Square earns an INVESTIGATE rating with HP Score 74/100. Investment score 67/100 reflects moderate fundamentals. Crime intensity is moderate. Walkability is excellent (91/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. Tenure is leasehold. Every figure here comes from the live HomePortfolio API; anything it does not publish is left out.

Key SourcesEPC RegisterPortal listingsOfcom Connected NationsOfcom mobile coverageMarket estimates (third-party AVM)HM Land Registry sales matched to addressDefra strategic noise mapping, England Round 4 (Contains Defra data © Crown copyright and database right 2023-2024, Open Government Licence v3.0)Walk ScoreONS Census 2021Police.ukHM Land Registry company ownershipHM Land Registry covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
74/ 100
Mixed
Investment Score
67/ 100
Moderate
Crime Score
38/ 100
Elevated
Walkability
91/ 100
Excellent
Transit & Bike
Transit 46Bike 80
Walk Score, out of 100

Valuation & Market

Sale Estimate£389,000
Rent Estimate (pcm)£1,700
Gross Yield5.24%
1y Growth-
3y Growth+0.5%
5y Growth+1.3%
10y Growth+1.6%
Last Sold Price£165,000 (2004-08-03)

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseLow

Planning Activity

Recent Apps
2N19 4LY
Approval Rate
-12mo
Development
low
  • P2026/2910/PRA
    Prior Approval Application under Schedule 2, Part 20 Class AB of The Town and Country Planning (General Permitted Development) (England) Order 2015 for an upward extension of existing terraced buildings by one additional storey to create 6 new flats.
    Pending
  • P2026/2864/TRE
    T1- Black Locust / False Acacia (Robinia pseudoacacia) Reduce the overall crown height by up to 2–3 metres and lateral crown spread by up to 1.5–2 metres, subject to the availability of suitable pruning points. All pruning shall be undertaken in accordance with BS 3998:2010, Section 7.7. Pruning cuts shall be made to suitable lateral branches, retaining the natural form and characteristic shape of the species.
    Pending
  • P2026/2860/TRE
    Pear - Crown reduce the height approx. 30cm below the previous reduction points (approx. 1.0m) Crown reduce the spread to balance and shape (approx. 0.5m) Apple - Crown reduce the height approx. 30cm below the previous reduction points (approx. 1.0m) Crown reduce the spread to balance and shape (approx. 0.5m) Pear - Crown reduce the height approx. 30-40cm below the previous reduction points (approx. 1.8m) Crown reduce the spread to balance and shape (approx. 1.0m) Maintenance works in line with good arboricultural practice
    Approved

Ownership

  • Corporate Ownership65.1%
  • Overseas OwnershipNo
  • Lease Term Remaining86 yrs
  • CovenantsRestrictive
  • Lease TypeLeasehold
  • Last Ownership Change2004-08-03
  • SourceLand Registry

Connectivity

Broadband (Standard)
19 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-

Area Profile

Median EarningsLocal authority£47,411
Population Density19,100 /km²
Owner Occupied30%
Age Distribution
0-15 15%16-64 75%65+ 10%

Schools Nearby

  • Duncombe Primary School
    0.2 mi
    Good
  • City of London Academy, Highgate Hill
    0.2 mi
    Good
  • The Bridge Keystone
    0.2 mi
    Good
  • St Mark's CofE Primary School
    0.3 mi
    -

2 of 12 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • 6 Cornwallis Square
    -
    £970k
    -
  • 26 Cornwallis Square
    -
    £335k
    -
  • 8 Cornwallis Square
    -
    £930k
    -
  • 52 Cornwallis Square
    -
    £369k
    -