Skip to property details

Flat 7, Portsdown House, 11–13 Randolph Avenue, London, W9 1BH

UPRN:100022797174-Beds -Built -
Tenure: -Council Tax: Band DEPC: -
Data freshness:Listing· 8mo agoListing: stale, refreshed 8mo ago (2026-03-23T08:38:43.027431+00:00)Planning· 2mo agoPlanning: ageing, refreshed 2mo ago (2026-09-25T06:50:45.363269+00:00)Ownership· freshOwnership: fresh, refreshed 4d ago (2026-11-06T16:23:04.498249+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 (2026-10-06T05:00:30.533230+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 refreshCouncil Tax· 1mo agoCouncil Tax: ageing, refreshed 1mo ago (2026-10-11T02:31:26.987573+00:00)
Flat 7, Portsdown House, 11–13 Randolph Avenue, London, W9 1BH

HP Score

Strong
Verdict
4 days ago
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Strong fundamentals; flood risk not assessed

Evidence
19 of 21 sources
Sale Estimate
£930,000
£744k - £1.12MLow
Estimate
£930k
Range
£744k – £1.12M
Rent Estimate (pcm)
--
-- - --

Verdict

Derived from HomePortfolio scores

Flat 7 earns an INVESTIGATE rating with HP Score 77/100. Investment score 63/100 reflects moderate fundamentals. Crime intensity is moderate. Walkability is excellent (94/100). 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)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 company ownershipHM Land Registry covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
77/ 100
Strong
Investment Score
63/ 100
Moderate
Crime Score
39/ 100
Elevated
Walkability
94/ 100
Excellent
Transit & Bike
Transit 61Bike 72
Walk Score, out of 100

Valuation & Market

Sale Estimate£930,000
Rent Estimate (pcm)-
Gross Yield-
1y Growth-
3y Growth-4.5%
5y Growth-0.6%
10y Growth-0.3%
Last Sold Price£350,000 (2010-04-28)

Risk Overview

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

Planning Activity

Recent Apps
5W9 1BH
Approval Rate
100%12mo
Development
low
  • 26/07418/FULL
    Refurbishment and internal reconfiguration of the existing single dwelling, including the adaptation of the existing basement vaults beneath the private forecourt through the lowering of the existing vault floors to provide additional habitable accommodation, external works comprise the installation of two new timber sash windows within the existing front lightwell, the upgrading of the existing timber sash windows with slim-profile double glazing, the replacement of the existing front entrance door with a timber door to match the character of the property, alterations to the front lightwell including Yorkstone paving, and associated internal and external works.
    Pending
  • 26/07384/FULL
    Provision of an external central access corridor to connect blocks B, C and D.
    Pending
  • 26/07431/TELNOT
    Removal of six antennas and associated ancillary equipment; installation of six antennas at a height of 53.5m AGL on the existing three 3.75m support poles, one 0.3m dish and associated ancillary equipment; upgrade of the equipment within the existing cabin and development works thereto.
    Approved

Ownership

  • Corporate Ownership53.7%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsRestrictive
  • Lease Type-
  • Last Ownership Change2010-04-28
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£45,172
Population Density-
Owner Occupied50%
Age Distribution
0-15 17%16-64 69%65+ 14%

Schools Nearby

  • St Joseph's RC Primary School
    0.2 mi
    Outstanding
  • St Saviour's CofE Primary School
    0.3 mi
    Good
  • L'Ecole Bilingue Elementaire
    0.3 mi
    Inspected by ISI
  • United Colleges Group
    0.4 mi
    -

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

Comparables

View All
  • 13 Randolph Avenue
    -
    £650k
    -
  • 21 Randolph Avenue
    -
    £5.75M
    -
  • 25 Randolph Avenue
    -
    £4.32M
    -
  • 5 Randolph Avenue
    -
    £1.53M
    -