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

HP Score
69
/ 100
Mixed
Verdict
today
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
15 of 21 sourcesSale Estimate
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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
69
HP Score
69/ 100
Mixed
-
Investment Score
No data
68
Crime Score
68/ 100
Elevated
97
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
- Approved26/07389/NMAAmendments 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.
- Pending26/07365/TCAT1 -Paulownia reduce laterals by 1m from tips and height by .5m to give more light to garden area below.
- Pending26/07375/NMAAmendments 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.
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 School0.1 miOutstanding
- -Queen Elizabeth II Jubilee School0.2 mi
- Mary Paterson Nursery School0.3 miOutstanding
- Paddington Academy0.3 miOutstanding
1 of 10 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- 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-