40 Crabtree Lane, London, SW6 6LN

UPRN:34025308End Terrace House4 bedsBuilt before 1900

FreeholdCouncil Tax: Band FEPC: D (57)

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

HP Score

/ 100

Strong

Verdict

yesterday

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

Evidence

18 of 21 sources

Sale Estimate

£1,153,000

£1.09M - £1.21MHigh

Estimate

£1.15M

Range

£1.09M – £1.21M

Rent Estimate (pcm)

£4,850

£4k - £5k

Monthly

£4,850

Yield

5.29%

Verdict

Derived from HomePortfolio scores

40 Crabtree Lane earns an INVESTIGATE rating with HP Score 82/100. Investment score 63/100 reflects moderate fundamentals. Crime intensity is low. Walkability is excellent (91/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. Tenure is freehold. 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 covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

82/ 100

Strong

Investment Score

63/ 100

Moderate

Crime Score

17/ 100

Moderate

Walkability

91/ 100

Excellent

Transit & Bike

Transit 41Bike 78

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesListing checked 4 Nov 2026

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

Valuation edge0/15
claims [AVM +4.6% (HIGH)] → measured edge +0.00pp of the ask; on later-registered sales an AVM discount carried no edge and a sold-evidence gap at most +0.5pp
Market estimate used (HIGH confidence) · snapshot 13 Oct 2026
- valuation_snapshotsestimate for 34025308· as of 13 Oct 2026
Rental economics1.9/40
gross yield 5.3%; range width penalty ×0.81
- valuation_snapshotsrent estimate 4850/mo (range 4400-5350)· as of 13 Oct 2026· verify before relying on this
Stress margin0/30
stressed cash flow -1,206/mo, -25% of rent (6.75% on a 75% loan; no service charge or ground rent disclosed); fails the stress - earns nothing
- underwriting_assumptionscosts not disclosed by the advert· as of 4 Nov 2026
Seller motivationNot scored
context, not scored: 1 price cut(s), unknown 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 4 Nov 2026
Risk & liquidity14.6/15
566 sales/12mo in area; valuation range width 10%
- 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

£825,000£1,265,000

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£1,100,000

At the asking price

Monthly rent£4,850/mo

Evidenced range £4,400-£5,350

Interest rate5.4%

Loan to value75%

Cash required: £385,050
Net cash flow: -£355/mo
Cash on cash: -1.1%
Score at this price: 16

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.31 - clears 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 34025308Valuation edge · as of 13 Oct 2026
valuation_snapshotsrent estimate 4850/mo (range 4400-5350)Rental economics · as of 13 Oct 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 4 Nov 2026
portal_listingsprice_changes + first_published_dateSeller motivation · as of 4 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 4850/mo (range 4400-5350)
Seller motivation could not be scored
context, not scored: 1 price cut(s), unknown days on market; homes with a cut sold 0.2-0.3pp further below the cut ask, which is not an edge

Property risk deep-dive →

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. Ask the agent why the price was reduced and whether a previous sale fell through.
1 price cut(s) recorded on the listing history.
3. Treat the gap to the estimate as unproven - compare recent sold prices on the street yourself before pricing an offer around it.
On later completions, homes listed below their estimate sold at the same share of the asking price as the rest.
4. Commission a full structural survey, not a basic condition report.
The score prices market evidence, not the fabric of the building.

Valuation & Market

Sale Estimate£1,153,000

Rent Estimate (pcm)£4,850

Gross Yield5.29%

1y Growth-

3y Growth-5.0%

5y Growth-1.5%

10y Growth-1.2%

Last Sold Price-

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseLow

View Full Risk Report

Planning Activity

Recent Apps

1SW6 6LN

Approval Rate

-12mo

Development

low

P/2026/02829/FUL
Erection of a rear extension at second floor level over part of the existing back addition; erection of railings and installation of planters over the remaining part of the rear back addition at second floor level in connection with its use as a terrace.
Pending
PA26/3750
Erection of dormer window at roof Level and associated works
Pending
P/2026/02824/DET
Submission of details of a site investigation scheme, pursuant to Condition 53; and details of a quantitative risk assessment report, pursuant to Condition 54 of planning permission reference: 2024/03249/FUL dated 6th February 2026.
Pending

View Planning Timeline