Flat 4, 9 Grosvenor Hill, London, W1K 3QA
UPRN:10033571709Flat/Maisonette1 bedsBuilt -
Tenure: -Council Tax: -EPC: -
Data freshness:Planning· 3mo agoPlanning: ageing, refreshed 3mo ago (2026-08-22T13:21:57.446782+00:00)Ownership· freshOwnership: fresh, refreshed 4d ago (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
59
/ 100
Mixed
Verdict
4 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
18 of 21 sourcesSale Estimate
£2,795,000
£2.24M - £3.35MLow
Estimate
£2.79M
Range
£2.24M – £3.35M
Rent Estimate (pcm)
£12,650
£12k - £14k
Monthly
£12,650
Yield
5.43%
Verdict
Derived from HomePortfolio scores
Flat 4 earns an INVESTIGATE rating with HP Score 59/100. Investment score 56/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (91/100). 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
59
HP Score
59/ 100
Mixed
56
Investment Score
56/ 100
Moderate
100
Crime Score
100/ 100
Elevated
91
Walkability
91/ 100
Excellent
Transit & Bike
Transit 100Bike 72
Walk Score, out of 100
Valuation & Market
Sale Estimate£2,795,000
Rent Estimate (pcm)£12,650
Gross Yield5.43%
1y Growth-
3y Growth-7.1%
5y Growth+2.9%
10y Growth-0.5%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseModerate
Planning Activity
Recent Apps
1W1K 3QA
Approval Rate
-12mo
Development
low
- Pending26/07410/FULLAlterations to the existing basement to Level 06, and an extension of the existing building to provide an additional floor of new office (Class E(g)(i)) floorspace, including a new roof level terrace and plant room; public realm and associated works.
- Pending26/07419/LBCInstallation of a telecommunications cable within a Grade II listed building to provide fibre connectivity.
- Pending26/07422/FULLRemediation works to the existing facade.
Ownership
- Corporate Ownership7%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsRestrictive
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (Standard)
18 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£45,172
Population Density2,316 /km²
Owner Occupied36%
Age Distribution
0-15 8%16-64 73%65+ 19%
Schools Nearby
- St George's Hanover Square CofE Primary School0.2 miGood
- Inspected by ISIWetherby Senior School0.4 mi
- -University of Westminster0.4 mi
- Inspected by ISILondon Park School Mayfair and London Park School Sixth0.5 mi
2 of 5 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- Mayfair Chambers, 15 Grosvenor Hill-£2.35M-
- Mayfair Chambers, 15 Grosvenor Hill-£4.50M-
- Mayfair Chambers, 15 Grosvenor Hill-£232k-
- Mayfair Chambers, 15 Grosvenor Hill-£2.75M-