Flat 15, Wisley House, 14 Rampayne Street, London, SW1V 2QS

UPRN:100022796191Flat/MaisonetteBeds -Built 1950-1966

Tenure: -Council Tax: Band DEPC: E (42)

Data freshness:Listing· freshPlanning· 4mo agoOwnership· 1mo agoEPC· 6mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· freshAmenities· 2mo agoArea· Census 2021Council Tax· 1mo ago

Flat 15, Wisley House, 14 Rampayne Street, London, SW1V 2QS

HP Score

/ 100

Strong

Verdict

today

Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed

Evidence

17 of 21 sources

Sale Estimate

£460,000

£414k - £505kMedium

Estimate

£460k

Range

£414k – £505k

Rent Estimate (pcm)

£2,250

£2k - £2k

Monthly

£2,250

Yield

4.70%

Verdict

Derived from HomePortfolio scores

Flat 15 earns an INVESTIGATE rating with HP Score 77/100. Investment score 64/100 reflects moderate fundamentals. Crime intensity is moderate. 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

77/ 100

Strong

Investment Score

64/ 100

Moderate

Crime Score

35/ 100

Elevated

Walkability

97/ 100

Excellent

Transit & Bike

Transit 92Bike 74

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesLead to verifyListing checked 5 Nov 2026

This rests largely on a single source. Treat the score as a prompt to investigate, not a conclusion.

Check before relying on this score: leasehold with no service charge disclosed - the stress test assumes GBP 0. It ranks after every home whose inputs are verified.

Valuation edge-0.6/15
claims [AVM -25.0% (MEDIUM)] → measured edge -0.12pp of the ask; on later-registered sales an AVM discount carried no edge and a sold-evidence gap at most +0.5pp; asking more than 10% above the estimate (measured -0.33pp)
Market estimate used (MEDIUM confidence) · snapshot 9 Nov 2026
- valuation_snapshotsestimate for 100022796191· as of 9 Nov 2026
Rental economics0/40
gross yield 4.7%; range width penalty ×0.93
- valuation_snapshotsrent estimate 2250/mo (range 2100-2400)· as of 9 Nov 2026· verify before relying on this
Stress margin0/30
stressed cash flow -902/mo, -40% of rent (6.75% on a 75% loan; no service charge or ground rent disclosed); fails the stress - earns nothing; leasehold with no service charge disclosed - the stress assumes GBP 0
- underwriting_assumptionscosts not disclosed by the advert· as of 5 Nov 2026· verify before relying on this
Seller motivationNot scored
context, not scored: 0 price cut(s), 67 days on market; homes with a cut sold 0.2-0.3pp further below the cut ask, which is not an edge
- portal_listingsprice_changes + first_published_date· as of 5 Nov 2026
Risk & liquidity12.9/15
170 sales/12mo in area; valuation range width 20%
- property_intelligencetransactions_12mo

4 of 4 components scored. Ranks on gross yield, the stress margin, risk and disclosed facts. A pricing claim earns only its measured edge: today 0 for the market estimate and at most +0.5pp for sold evidence. The score itself is not yet checked against the outcomes of homes it scored.

Economics

What happens to your money

Price sensitivity

£431,000£661,000

The same scorer re-run at hypothetical asking prices, holding rent, comps and listing history constant. Not a prediction of what the seller would accept.

Your assumptions

Purchase price£575,000

At the asking price

Monthly rent£2,250/mo

Evidenced range £2,100-£2,400

Interest rate5.4%

Loan to value75%

Cash required: £192,550
Net cash flow: -£383/mo
Cash on cash: -2.4%
Score at this price: 12

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.16 - below the usual 1.25 test. These are your assumptions, not evidence: only the pre-filled rent and price come from the record.

Evidence

Where every number comes from

valuation_snapshotsestimate for 100022796191Valuation edge · as of 9 Nov 2026
valuation_snapshotsrent estimate 2250/mo (range 2100-2400)Rental economics · as of 9 Nov 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 5 Nov 2026 · verify before relying on this
portal_listingsprice_changes + first_published_dateSeller motivation · as of 5 Nov 2026
property_intelligencetransactions_12moRisk & liquidity

Sold comparables in depth

Risks

What could kill this deal

Score confidence is low
largely a single source - treat the number as a prompt, not a conclusion
Rental economics needs verification before you rely on it
rent estimate 2250/mo (range 2100-2400)
Stress margin needs verification before you rely on it
costs not disclosed by the advert

Plan

Before you offer

1. Get two written rental appraisals from local lettings agents.
The rent estimate rests on area-level evidence, not lettings on this street.
2. Commission a full structural survey, not a basic condition report.
The score prices market evidence, not the fabric of the building.

Every step above was generated from a specific gap or flag in the evidence - no generic advice, no invented tasks.

Valuation & Market

Sale Estimate£460,000

Rent Estimate (pcm)£2,250

Gross Yield4.70%

1y Growth-

3y Growth-3.3%

5y Growth-3.8%

10y Growth-1.8%

Last Sold Price-

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseModerate

View Full Risk Report

Planning Activity

Recent Apps

0SW1V 2QS

Approval Rate

-12mo

Development

low

26/07413/LBC
Installation of new fibre optic cable and associated equipment within the basement.
Pending
26/07412/FULL
Installation of Automatic Opening Vents as part of essential fire strategy.
Pending
26/07387/ADFULL
Samples of the facing materials, including detailed drawings of the dormers, and windows including section drawings showing the glazing bars; pursuant to condition 3 and 4 of planning permission dated 4th September 2026 (26/04924/FULL)
Pending

View Planning Timeline

Ownership

Corporate Ownership42.4%
Overseas OwnershipNo
Lease Term Remaining-
CovenantsNone
Lease Type-
Last Ownership Change-
SourceLand Registry

View Ownership Details

Connectivity

Broadband (Standard)

14 Mbps

Mobile 4G/5G Coverage

EEThreeO2Vodafone

EV Charger

PTAL Rating

View Connectivity Map

Area Profile

Median EarningsLocal authority£45,172

Population Density22,895 /km²

Owner Occupied24%

Age Distribution

0-15 13%16-64 74%65+ 13%

View Area Profile

Schools Nearby

Westminster Under School
0.1 mi
Inspected by ISI
Pimlico Academy
0.2 mi
Report card2026
Ofsted no longer awards a single overall grade.
Pimlico Primary
0.2 mi
Area grades2025
Inspected after Ofsted withdrew the single overall grade.
Fairley House School
0.2 mi
Inspected by ISI

2 of 9 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All

Wisley House, 14 Rampayne Street
-
£438k
-
Wisley House, 14 Rampayne Street
-
£400k
-
Wisley House, 14 Rampayne Street
-
£702k
-
Wisley House, 14 Rampayne Street
-
£660k
-

Boundary data not available for this property

No registered title polygon, building footprint, or street match for this property yet.

Why: No HMLR INSPIRE / OSM footprint / OS Open USRN match for this UPRN

Source: HM Land Registry INSPIRE / OpenStreetMap / OS Open USRN