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Flat D, 21 Gloucester Avenue, London, NW1 7AU

UPRN:5118380Flat/Maisonette1 bedsBuilt 1900-1929
Tenure: -Council Tax: Band DEPC: C (75)
Data freshness:Listing· 4mo agoListing: stale, refreshed 4mo ago (2026-07-04T04:00:02.357083+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T09:47:18.824618+00:00)Ownership· freshOwnership: fresh, refreshed 2d 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· 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)
Flat D, 21 Gloucester Avenue, London, NW1 7AU

HP Score

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

    Mixed signals - investigate

Evidence
19 of 21 sources
Sale Estimate
£599,000
£539k - £659kMedium
Estimate
£599k
Range
£539k – £659k
Rent Estimate (pcm)
£2,950
£3k - £3k
Monthly
£2,950
Yield
5.91%

Verdict

Derived from HomePortfolio scores

Flat D earns an INVESTIGATE rating with HP Score 69/100. Investment score 68/100 reflects moderate fundamentals. Crime intensity is moderate. Walkability is limited (69/100). 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 covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
69/ 100
Mixed
Investment Score
68/ 100
Moderate
Crime Score
59/ 100
Elevated
Walkability
69/ 100
Moderate
Transit & Bike
Transit 80Bike 67
Walk Score, out of 100

Valuation & Market

Sale Estimate£599,000
Rent Estimate (pcm)£2,950
Gross Yield5.91%
1y Growth+7.7%
3y Growth-9.6%
5y Growth-2.1%
10y Growth-0.7%
Last Sold Price-

Risk Overview

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

Planning Activity

Recent Apps
0NW1 7AU
Approval Rate
-12mo
Development
low
  • 2026/4862/P
    Infill extension of existing recessed roof terrace at fourth floor level on the rear elevation with full-width glazing set within the existing opening.
    Pending
  • 2026/4390/L
    Replacement of existing front timber sash windows with slim double glazed timber sash windows.
    Pending
  • 2026/4367/P
    Replacement of existing front timber sash windows with slim double glazed timber sash windows.
    Pending

Ownership

  • Corporate Ownership36.5%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsRestrictive
  • Lease Type-
  • Last Ownership Change-
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£44,088
Population Density-
Owner Occupied54%
Age Distribution
0-15 16%16-64 69%65+ 15%

Schools Nearby

  • Primrose Hill School
    0.1 mi
    Good
  • Alleyn's Regent's Park
    0.1 mi
    Inspected by ISI
  • The Cavendish School
    0.2 mi
    Inspected by ISI
  • Hawley Primary School
    0.4 mi
    Good

1 of 9 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • 23A Gloucester Avenue
    -
    £523k
    -
  • 21B Gloucester Avenue
    -
    £485k
    -
  • 15 Gloucester Avenue
    -
    £1.12M
    -
  • 31 Gloucester Avenue
    -
    £415k
    -