Flat A, 12 Belsize Square, London, NW3 4HT
UPRN:5079500-Beds -Built -
Tenure: -Council Tax: Band GEPC: -
Data freshness:Listing· 2mo agoListing: ageing, refreshed 2mo ago (2026-08-26T04:00:03.787951+00:00)Price Paid· freshPrice Paid: fresh, refreshed 5d ago (2026-11-01T14:02:30.253560+00:00)Planning· 6mo agoPlanning: stale, refreshed 6mo ago (2026-05-20T08:19:50.636452+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· freshSchools: fresh, refreshed yesterday (2026-11-05T17:42:09.721250+00:00)Amenities· 1mo agoAmenities: ageing, refreshed 1mo 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)
HP Score
81
/ 100
Strong
Verdict
today
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed
Evidence
18 of 21 sourcesSale Estimate
£1,268,000
£1.01M - £1.52MLow
Estimate
£1.27M
Range
£1.01M – £1.52M
Rent Estimate (pcm)
--
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Verdict
Derived from HomePortfolio scores
Flat A earns an INVESTIGATE rating with HP Score 81/100. Investment score 63/100 reflects moderate fundamentals. Crime intensity is low. Walkability is excellent (92/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. Every figure here comes from the live HomePortfolio API; anything it does not publish is left out.
Key SourcesPortal listingsOfcom Connected NationsOfcom mobile coverageMarket estimates (third-party AVM)Defra 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
81
HP Score
81/ 100
Strong
63
Investment Score
63/ 100
Moderate
19
Crime Score
19/ 100
Moderate
92
Walkability
92/ 100
Excellent
Transit & Bike
Transit 95Bike 71
Walk Score, out of 100
Valuation & Market
Sale Estimate£1,268,000
Rent Estimate (pcm)-
Gross Yield-
1y Growth-
3y Growth-2.2%
5y Growth-0.4%
10y Growth+0.3%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseLow
Planning Activity
Recent Apps
1NW3 4HT
Approval Rate
100%12mo
Development
low
- Pending2026/4853/TDD 5 Day Notice REAR GARDEN: 1 x Oak (T1) - Fell to ground level.
- Pending2026/4858/TREAR GARDEN: 1 x Horse Chestnut (T1) - Fell to ground level.
- Pending2026/4638/PErection of additional storey with flank window, repositioning of entrance door, replacement of garden fence, and installation of 2x air source heat pumps on roof of new storey.
Ownership
- Corporate Ownership52.5%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsRestrictive
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (Standard)
13 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£44,088
Population Density13,625 /km²
Owner Occupied42%
Age Distribution
0-15 15%16-64 70%65+ 15%
Schools Nearby
- Inspected by ISIThe Hall School0.1 mi
- Inspected by ISIHereward House School0.2 mi
- Inspected by ISITrevor-Roberts School0.2 mi
- -Central School of Speech and Drama0.2 mi
1 of 3 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- 8 Belsize Square-£1.09M-
- 5 Belsize Square-£780k-
- 10D Belsize Square-£618k-
- 22 Belsize Square-£1.33M-