Flat 1, 20 Lower Sloane Street, London, SW1W 8BJ
UPRN:217055841Flat/Maisonette1 bedsBuilt before 1900
Tenure: -Council Tax: Band DEPC: D (66)
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
76
/ 100
Strong
Verdict
yesterday
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed
Evidence
19 of 21 sourcesSale Estimate
£929,000
£743k - £1.11MLow
Estimate
£929k
Range
£743k – £1.11M
Rent Estimate (pcm)
£4,000
£4k - £4k
Monthly
£4,000
Yield
5.17%
Verdict
Derived from HomePortfolio scores
Flat 1 earns an INVESTIGATE rating with HP Score 76/100. Investment score 83/100 reflects strong fundamentals. Crime intensity is elevated. Walkability is excellent (97/100). 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
76
HP Score
76/ 100
Strong
83
Investment Score
83/ 100
High
68
Crime Score
68/ 100
Elevated
97
Walkability
97/ 100
Excellent
Transit & Bike
Transit 89Bike 70
Walk Score, out of 100
Valuation & Market
Sale Estimate£929,000
Rent Estimate (pcm)£4,000
Gross Yield5.17%
1y Growth+205.9%
3y Growth+3.4%
5y Growth+0.4%
10y Growth+2.8%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseHigh
Planning Activity
Recent Apps
3SW1W 8BJ
Approval Rate
100%12mo
Development
low
- Pending26/07305/FULLInstallation of an external condenser at roof level and internal insulation, replacement sashes and crittall windows/doors. Internal alterations.
- Pending26/07298/FULLReplacement water tank room at roof level.
- 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)
Ownership
- Corporate Ownership16.3%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsRestrictive
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (Standard)
13 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£46,690
Population Density-
Owner Occupied28%
Age Distribution
0-15 11%16-64 68%65+ 21%
Schools Nearby
- St. Thomas More Language College0.1 mi
Inspected as Saint Thomas More Language College (URN 100502) on 24 May 2022
- St Joseph's Catholic Primary School0.1 miOutstanding
- Holy Trinity CofE Primary School0.1 miGood
- Inspected by ISIGarden House School0.2 mi
3 of 7 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- 12 Lower Sloane Street-£2.38M-
- 22 Lower Sloane Street-£995k-
- Flat 8, 4 - 6 Lower Sloane Street-£1.68M-
- 4 Lower Sloane Street-£3.13M-