Flat 1, 42 Portman Square, London, W1H 6AR
UPRN:10033604407Flat/Maisonette2 bedsBuilt 2007 onwards
Tenure: -Council Tax: Band GEPC: C (74)
Data freshness:Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:46:44.904066+00:00)Ownership· freshOwnership: fresh, refreshed 4d ago (2026-11-06T17:34:01.679477+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· 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
62
/ 100
Mixed
Verdict
4 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
13 of 21 sourcesSale Estimate
£1,741,000
£1.39M - £2.09MLow
Estimate
£1.74M
Range
£1.39M – £2.09M
Rent Estimate (pcm)
£7,050
£6k - £8k
Monthly
£7,050
Yield
4.86%
Verdict
Derived from HomePortfolio scores
Flat 1 earns an INVESTIGATE rating with HP Score 62/100. Investment score 57/100 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. Every figure here comes from the live HomePortfolio API; anything it does not publish is left out.
Key SourcesEPC RegisterPortal listingsMarket 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.ukPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
62
HP Score
62/ 100
Mixed
57
Investment Score
57/ 100
Moderate
100
Crime Score
100/ 100
Elevated
100
Walkability
100/ 100
Excellent
Transit & Bike
Transit 96Bike 71
Walk Score, out of 100
Valuation & Market
Sale Estimate£1,741,000
Rent Estimate (pcm)£7,050
Gross Yield4.86%
1y Growth-
3y Growth-11.2%
5y Growth-4.7%
10y Growth-0.9%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseModerate
Planning Activity
Recent Apps
0W1H 6AR
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.
- Pending26/07415/FULLAmalgamation of Flats 3 and 4 (Use Class C3) to form one single dwelling (Use Class C3) including associated internal reconfiguration and refurbishments, alterations to access arrangements and improvements to the existing terrace and private amenity spaces, new plant and other associated works. (Linked with 26/07416/LBC)
- Pending26/07409/LBCProvision of internally illuminated temporary Christmas decoration to front facade at ground floor level between 18th December 2026 and 9th January 2027 (Linked to 26/07429/ADV)
Ownership
- Corporate Ownership22.9%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsNone
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (-)
-
Mobile 4G/5G Coverage
-
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£45,172
Population Density4,908 /km²
Owner Occupied26%
Age Distribution
0-15 11%16-64 80%65+ 9%
Schools Nearby
- Inspected by ISIWetherby Preparatory School0.2 mi
- Inspected by ISIHalcyon London International School0.2 mi
- Inspected by ISISylvia Young Theatre School0.3 mi
- St Vincent's Catholic Primary School0.3 mi
Inspected as St Vincent's Catholic Primary School (URN 101143) on 23 Nov 2023
4 of 6 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.