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Flat 25, Heron Place, 9 Thayer Street, London, W1U 3JL

UPRN:100023464482Purpose Built Flat3 bedsBuilt 1976-1982
LeaseholdCouncil Tax: -EPC: C (70)
Data freshness:Listing· 8mo agoListing: stale, refreshed 8mo ago (2026-03-23T08:38:43.027431+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:47:26.082171+00:00)Ownership· freshOwnership: fresh, refreshed 4d ago (2026-11-10T13:36:50.643245+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)Crime· freshCrime: fresh, refreshed 3d ago (2026-11-11T13:01:03.839912+00:00)Connectivity· 1mo agoConnectivity: ageing, refreshed 1mo ago (2026-10-03T06:43:10.905825+00:00)Schools· 1mo agoSchools: ageing, refreshed 1mo ago (2026-10-06T05:00:30.533230+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 25, Heron Place, 9 Thayer Street, London, W1U 3JL

HP Score

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

    Mixed signals - investigate

Evidence
19 of 21 sources
Sale Estimate
£2,340,000
£2.22M - £2.46MHigh
Estimate
£2.34M
Range
£2.22M – £2.46M
Rent Estimate (pcm)
£7,200
£6k - £8k
Monthly
£7,200
Yield
3.69%

Verdict

Derived from HomePortfolio scores

Flat 25 earns an INVESTIGATE rating with HP Score 65/100. Investment score 69/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (100/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. Tenure is leasehold. 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)HM Land Registry sales matched to addressDefra 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
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HP Score
65/ 100
Mixed
Investment Score
69/ 100
Moderate
Crime Score
100/ 100
Elevated
Walkability
100/ 100
Excellent
Transit & Bike
Transit 100Bike 71
Walk Score, out of 100

Valuation & Market

Sale Estimate£2,340,000
Rent Estimate (pcm)£7,200
Gross Yield3.69%
1y Growth-
3y Growth-6.2%
5y Growth-2.6%
10y Growth-1.3%
Last Sold Price£1,680,000 (2021-08-27)
View Market Details

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseModerate
View Full Risk Report

Planning Activity

Recent Apps
0W1U 3JL
Approval Rate
-12mo
Development
low
  • 26/07564/LBC
    Repair and restoration works to the Art Deco wing of Claridge's Hotel, including repairs to brickwork, stonework, balconies, rainwater goods, windows and associated architectural features; replacement and reinstatement of missing and damaged elements including balustrades, stone corbels and rainwater goods; repairs associated with corrosion of the underlying structural frame; cleaning and decoration of external elevations; and all associated works.
    Pending
  • 26/07543/FULL
    Erection of a mansard roof extension to provide an additional bedroom to the single-family dwelling, together with replacement of the existing front door with a painted solid timber panelled door (renewal of planning permission 16/04632/FULL, allowed on appeal on 8 June 2017 APP/X5990/W/3172534).
    Pending
  • 26/07544/ADFULL
    Details of replacement surfacing, soft landscaping and associated foundations pursuant to Condition 4 of planning permission dated 11 June 2026 (RN: 26/02173/FULL).
    Pending
View Planning Timeline

Ownership

  • Corporate Ownership15.3%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsRestrictive
  • Lease TypeLeasehold
  • Last Ownership Change2021-08-27
  • SourceLand Registry
View Ownership Details

Connectivity

Broadband (Standard)
17 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
View Connectivity Map

Area Profile

Median EarningsLocal authority£45,172
Population Density4,908 /km²
Owner Occupied26%
Age Distribution
0-15 11%16-64 80%65+ 9%
View Area Profile

Schools Nearby

  • St Vincent's Catholic Primary School
    0.0 mi

    Inspected as St Vincent's Catholic Primary School (URN 101143) on 23 Nov 2023

  • Wetherby Senior School
    0.1 mi
    Inspected by ISI
  • Queen's College, London
    0.3 mi
    Inspected by ISI
  • The St Marylebone CofE School
    0.3 mi
    Area grades2025

    Inspected after Ofsted withdrew the single overall grade.

4 of 4 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All
  • Heron Place, 9 Thayer Street
    -
    £2.83M
    -
  • Heron Place, 9 Thayer Street
    -
    £694k
    -
  • Heron Place, 9 Thayer Street
    -
    £1.68M
    -
  • Heron Place, 9 Thayer Street
    -
    £995k
    -