Flat 42, 20 Belsize Park, London, NW3 4DU
UPRN:5147945Flat/Maisonette0 bedsBuilt before 1900
Tenure: -Council Tax: Band BEPC: D (66)
Data freshness:Planning· 3mo agoPlanning: ageing, refreshed 3mo ago (2026-08-19T07:41:46.834461+00:00)Ownership· freshOwnership: fresh, refreshed 3d ago (2026-11-06T18:34:39.595484+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· freshSchools: fresh, refreshed 4d ago (2026-11-05T17:42:09.721250+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· 4mo agoCouncil Tax: stale, refreshed 4mo ago (2026-07-11T09:17:46.327334+00:00)
HP Score
82
/ 100
Strong
Verdict
3 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed
Evidence
18 of 21 sourcesSale Estimate
£805,000
£644k - £966kLow
Estimate
£805k
Range
£644k – £966k
Rent Estimate (pcm)
£3,250
£3k - £4k
Monthly
£3,250
Yield
4.84%
Verdict
Derived from HomePortfolio scores
Flat 42 earns an INVESTIGATE rating with HP Score 82/100. Investment score 67/100 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 SourcesEPC RegisterPortal 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
82
HP Score
82/ 100
Strong
67
Investment Score
67/ 100
Moderate
22
Crime Score
22/ 100
Moderate
92
Walkability
92/ 100
Excellent
Transit & Bike
Transit 91Bike 73
Walk Score, out of 100
Valuation & Market
Sale Estimate£805,000
Rent Estimate (pcm)£3,250
Gross Yield4.84%
1y Growth-25.2%
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 4DU
Approval Rate
100%12mo
Development
low
- Pending2026/4899/PErection of upper ground side extension. Replacement rear fenestration and associated works.
- Pending2026/4923/LErection of upper ground side extension. Replacement rear fenestration and associated works. Internal alterations
- Pending2026/4901/TFRONT GARDEN: 1 x Lime (T1) - Reduce the crown by up to 2m, cutting back to the most recent points of reduction. Raise the crown to 6m above pavement and road level and remove all epicormic growth throughout the crown.
Ownership
- Corporate Ownership52.5%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsNone
- 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 Density11,911 /km²
Owner Occupied47%
Age Distribution
0-15 19%16-64 67%65+ 14%
Schools Nearby
- Gloucester House, The Tavistock Children's Day Unit0.1 miGood
- Inspected by ISISt Mary's School, Hampstead0.2 mi
- Inspected by ISISt Christopher's School0.2 mi
- Maria Montessori School0.2 miGood
1 of 3 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- 18E Belsize Park-£725k-
- 19D Belsize Park-£1.09M-
- 24 Belsize Park-£755k-
- 19C Belsize Park-£1.55M-