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Flat 304, Castello Court, 309–311 Harrow Road, London, W9 3RG

UPRN:10033653497-Beds -Built -
Tenure: -Council Tax: Band AEPC: -
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 5d ago (2026-11-01T08:48:11.154109+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:36:34.059452+00:00)Ownership· freshOwnership: fresh, refreshed today (2026-11-06T17:34:01.679477+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 refresh
Flat 304, Castello Court, 309–311 Harrow Road, London, W9 3RG

HP Score

Mixed
Verdict
today
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Mixed signals - investigate

Evidence
15 of 21 sources
Sale Estimate
--
-- - --
Rent Estimate (pcm)
--
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Verdict

Derived from HomePortfolio scores

Flat 304 earns an INVESTIGATE rating with HP Score 69/100. Crime intensity is elevated. Walkability is excellent (97/100). 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 coverageDefra 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 covenantsHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
69/ 100
Mixed
-
Investment Score
No data
Crime Score
68/ 100
Elevated
Walkability
97/ 100
Excellent
Transit & Bike
Transit 84Bike 76
Walk Score, out of 100

Valuation & Market

Sale Estimate-
Rent Estimate (pcm)-
Gross Yield-
1y Growth-
3y Growth-4.5%
5y Growth-0.6%
10y Growth-0.3%
Last Sold Price-

Risk Overview

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

Planning Activity

Recent Apps
0W9 3RG
Approval Rate
-12mo
Development
low
  • 26/07389/NMA
    Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.
    Approved
  • 26/07365/TCA
    T1 -Paulownia reduce laterals by 1m from tips and height by .5m to give more light to garden area below.
    Pending
  • 26/07375/NMA
    Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.
    Pending

Ownership

  • Corporate Ownership53.7%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsRestrictive
  • Lease Type-
  • Last Ownership Change-
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£45,172
Population Density21,303 /km²
Owner Occupied20%
Age Distribution
0-15 16%16-64 76%65+ 8%

Schools Nearby

  • St Peter's CofE School
    0.1 mi
    Outstanding
  • Queen Elizabeth II Jubilee School
    0.2 mi
    -
  • Mary Paterson Nursery School
    0.3 mi
    Outstanding
  • Paddington Academy
    0.3 mi
    Outstanding

1 of 10 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • 309 - 311 Harrow Road
    -
    £11.75M
    -
  • 309 - 311 Harrow Road
    -
    £850k
    -
  • 309 - 311 Harrow Road
    -
    £11.75M
    -
  • Castello Court, 309 - 311 Harrow Road
    -
    £3.50M
    -