First Floor Flat, Arlington House, 17–20 Arlington Street, London, SW1A 1RJ
UPRN:10033656973-Beds -Built -
Tenure: -Council Tax: -EPC: -
Data freshness:Listing· 6mo agoListing: stale, refreshed 6mo ago (2026-04-27T04:16:05.440844+00:00)Price Paid· freshPrice Paid: fresh, refreshed 6d ago (2026-11-01T08:48:11.154109+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T09:56:09.614743+00:00)Ownership· freshOwnership: fresh, refreshed yesterday (2026-11-06T17:34:01.679477+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
64
/ 100
Mixed
Verdict
yesterday
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
17 of 21 sourcesSale Estimate
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Rent Estimate (pcm)
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Verdict
Derived from HomePortfolio scores
First Floor Flat earns an INVESTIGATE rating with HP Score 64/100. 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 SourcesPortal listingsOfcom Connected NationsOfcom mobile coverageDefra 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
64
HP Score
64/ 100
Mixed
-
Investment Score
No data
100
Crime Score
100/ 100
Elevated
100
Walkability
100/ 100
Excellent
Transit & Bike
Transit 100Bike 75
Walk Score, out of 100
Valuation & Market
Sale Estimate-
Rent Estimate (pcm)-
Gross Yield-
1y Growth-
3y Growth+3.3%
5y Growth+4.8%
10y Growth+7.2%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseLow
Planning Activity
Recent Apps
0SW1A 1RJ
Approval Rate
-12mo
Development
low
- Pending26/07411/ADFULLDetails of air quality assessment pursuant to Condition 2 of planning permission dated 1 August 2025 (RN: 25/04054/FULL).
- Pending26/07422/FULLRemediation works to the existing facade.
- Pending26/07420/COGADFDetails of each proposed sculpture by way of drawings, photographs and artists CV pursuant to condition 3 of planning permission dated 30.09.2025 (RN:25/05296/COFUL)
Ownership
- Corporate Ownership26.5%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsRestrictive
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (-)
-
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£45,172
Population Density1,231 /km²
Owner Occupied33%
Age Distribution
0-15 7%16-64 83%65+ 10%
Schools Nearby
- Inspected by ISILondon Park School Mayfair and London Park School Sixth0.2 mi
- St George's Hanover Square CofE Primary School0.3 miGood
- Soho Parish CofE Primary School0.5 miGoodConcerns
- -The Fountain Christian School0.6 mi
1 of 7 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- Arlington House Arlington Street-£550k-
- Arlington House Arlington Street-£730k-
- Arlington House Arlington Street-£520k-
- Arlington House Arlington Street-£464k-