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Flat 7, 5 Onslow Square, London, SW7 3NJ

UPRN:217062138Flat/Maisonette4 bedsBuilt 1900-1929
Tenure: -Council Tax: Band HEPC: D (58)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T12:48:28.390450+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:27:10.486278+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)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· 1mo agoAmenities: ageing, refreshed 1mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refresh
Flat 7, 5 Onslow Square, London, SW7 3NJ

HP Score

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

    Mixed signals - investigate

Evidence
19 of 21 sources
Sale Estimate
£2,593,000
£2.08M - £3.11MLow
Estimate
£2.59M
Range
£2.08M – £3.11M
Rent Estimate (pcm)
£9,400
£8k - £10k
Monthly
£9,400
Yield
4.35%

Verdict

Derived from HomePortfolio scores

Flat 7 earns an INVESTIGATE rating with HP Score 66/100. Investment score 68/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (99/100). 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 SourcesEPC RegisterPortal 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
HP Score
66/ 100
Mixed
Investment Score
68/ 100
Moderate
Crime Score
91/ 100
Elevated
Walkability
99/ 100
Excellent
Transit & Bike
Transit 100Bike 70
Walk Score, out of 100

Valuation & Market

Sale Estimate£2,593,000
Rent Estimate (pcm)£9,400
Gross Yield4.35%
1y Growth+62.5%
3y Growth-5.9%
5y Growth-3.9%
10y Growth-3.6%
Last Sold Price-

Risk Overview

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

Planning Activity

Recent Apps
0SW7 3NJ
Approval Rate
-12mo
Development
low
  • 26/07362/ADFULL
    Detailed drawings of secure cycle storage for the enlarged building pursuant to condition 7 of planning permission dated 2nd April 2026 (RN 26/00738/FULL)
    Pending
  • 26/07236/ADLBC
    details of the proposed paving materials either side the length of the wall to be replaced, including photographs of the existing paving (taken before the works begin) and photographs of samples of the paving to be reinstated or newly laid, along with plan drawings showing what paving materials will be used where and the proposed render to be used on the new wall, including specifics of its finished colour and photographs of samples pursuant to condition 3 of listed building dated 19th March 2026 (RN:25/09235/LBC )
    Pending
  • 26/07237/ADFULL
    Details of the proposed paving materials either side the length of the wall to be replaced, including photographs of the existing paving (taken before the works begin) and photographs of samples of the paving to be reinstated or newly laid, along with plan drawings showing what paving materials will be used where and the proposed render to be used on the new wall, including specifics of its finished colour and photographs of samples pursuant to condition 4 of planning permission dated 19.03.2026 (RN:25/09234/FULL)
    Pending

Ownership

  • Corporate Ownership40.8%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsRestrictive
  • Lease Type-
  • Last Ownership Change-
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£46,690
Population Density5,651 /km²
Owner Occupied47%
Age Distribution
0-15 11%16-64 75%65+ 14%

Schools Nearby

  • Institute of Cancer Research
    0.2 mi
    -
  • Lycee Francais Charles de Gaulle
    0.2 mi
    Good
  • Oratory Roman Catholic Primary School
    0.2 mi
    Outstanding
  • Queen's Gate School
    0.2 mi
    Inspected by ISI

2 of 5 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • 5 Onslow Square
    -
    £2.41M
    -
  • 11 Onslow Square
    -
    £2.75M
    -
  • 23 Onslow Square
    -
    £2.83M
    -
  • 25 Onslow Square
    -
    £560k
    -