Flat 3, Herbert Mansions, 35 Sloane Street, London, SW1X 9LP
UPRN:217078189Flat/Maisonette4 bedsBuilt 1900-1929
Tenure: -Council Tax: -EPC: B (81)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T12:48:28.390450+00:00)Planning· 3mo agoPlanning: stale, refreshed 3mo ago (2026-07-27)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

HP Score
65
/ 100
Mixed
Verdict
yesterday
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
18 of 21 sourcesSale Estimate
£3,337,000
£2.67M - £4.00MLow
Estimate
£3.34M
Range
£2.67M – £4.00M
Rent Estimate (pcm)
£14,150
£13k - £15k
Monthly
£14,150
Yield
5.09%
Verdict
Derived from HomePortfolio scores
Flat 3 earns an INVESTIGATE rating with HP Score 65/100. Investment score 70/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (98/100). 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
65
HP Score
65/ 100
Mixed
70
Investment Score
70/ 100
Moderate
100
Crime Score
100/ 100
Elevated
98
Walkability
98/ 100
Excellent
Transit & Bike
Transit 62Bike 72
Walk Score, out of 100
Valuation & Market
Sale Estimate£3,337,000
Rent Estimate (pcm)£14,150
Gross Yield5.09%
1y Growth-
3y Growth+6.5%
5y Growth+8.8%
10y Growth+3.3%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseHigh
Planning Activity
Recent Apps
1SW1X 9LP
Approval Rate
100%12mo
Development
low
- Pending26/07369/TCAT1 - Large Sycamore Minor pruning of the crown overhanging Eaton Lane, comprising removal/pruning back of the specific branch growth extending beyond and above the boundary fence line, as identified in the submitted Existing and Proposed Tree Works Photographs. The works are required to provide clearance for the proposed temporary welfare cabin and gantry installation associated with the 8 Eaton Lane development. Pruning will be limited to the minimum extent necessary to achieve the required clearance, with larger structural branches retained.
- Pending26/07306/LBCInstallation of an external condenser and internal insulation, replacement sashes and crittall windows/doors, complete with minor internal alterations. (Linked to 26/07305/FULL)
- Pending26/07305/FULLInstallation of an external condenser at roof level and internal insulation, replacement sashes and crittall windows/doors. Internal alterations.
Ownership
- Corporate Ownership29.9%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsNone
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (Standard)
15 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£46,690
Population Density-
Owner Occupied25%
Age Distribution
0-15 11%16-64 77%65+ 12%
Schools Nearby
- Hill House School0.2 miOutstanding
- Inspected by ISIMore House School0.2 mi
- Inspected by ISIKnightsbridge School0.2 mi
- Inspected by ISICaelum House School0.3 mi
1 of 5 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- Herbert Mansions, 35 Sloane Street-£3.20M-
- Herbert Mansions, 35 Sloane Street-£1.02M-
- Herbert Mansions, 35 Sloane Street-£800k-
- Herbert Mansions, 35 Sloane Street-£650k-