4 Cromwell Avenue, London, N6 5HL

UPRN:100021170749Detached House5 bedsBuilt 1900-1929

FreeholdCouncil Tax: Band GEPC: E (44)

Data freshness:Listing· freshPlanning· 6mo agoEPC· 6mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· freshAmenities· 2mo agoArea· Census 2021

HP Score

/ 100

Mixed

Verdict

2 days ago

Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate

Evidence

20 of 21 sources

Sale Estimate

£2,334,000

£2.22M - £2.45MHigh

Estimate

£2.33M

Range

£2.22M – £2.45M

Rent Estimate (pcm)

£8,400

£8k - £9k

Monthly

£8,400

Yield

6.72%

Verdict

Derived from HomePortfolio scores

4 Cromwell Avenue earns an INVESTIGATE rating with HP Score 72/100. Investment score 61/100 reflects moderate fundamentals. Crime intensity is moderate. Walkability is good (72/100). 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)HM Land Registry sales matched to addressDefra 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

HP Score

72/ 100

Mixed

Investment Score

61/ 100

Moderate

Crime Score

41/ 100

Elevated

Walkability

72/ 100

High

Transit & Bike

Transit 68Bike 70

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesLead to verifyListing checked 6 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: the estimate sits 36% above the ask. It ranks after every home whose inputs are verified.

Valuation edge0/15
claims [AVM +35.7% (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 9 Oct 2026
- valuation_snapshotsestimate for 100021170749· as of 9 Oct 2026
Rental economics10.9/40
gross yield 6.7%; range width penalty ×0.80; the estimate this rent rides on sits 36% above the ask - check the rent describes the advertised home
- valuation_snapshotsrent estimate 8400/mo (range 7550-9250)· as of 9 Oct 2026· verify before relying on this
- valuation_snapshotssale estimate 36% above the ask on the same snapshot - verify the rent describes this home· as of 9 Oct 2026· verify before relying on this
Stress margin0/30
stressed cash flow -284/mo, -3% 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 6 Nov 2026
Seller motivationNot scored
context, not scored: 0 price cut(s), 257 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 6 Nov 2026
Risk & liquidity14.6/15
153 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

£1,200,000£1,725,000

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£1,500,000

At the asking price

Monthly rent£8,400/mo

Evidenced range £7,550-£9,250

Interest rate5.4%

Loan to value75%

Cash required: £545,050
Net cash flow: £753/mo
Cash on cash: 1.7%
Score at this price: 26

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.66 - 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 100021170749Valuation edge · as of 9 Oct 2026
valuation_snapshotsrent estimate 8400/mo (range 7550-9250)Rental economics · as of 9 Oct 2026 · verify before relying on this
valuation_snapshotssale estimate 36% above the ask on the same snapshot - verify the rent describes this homeRental economics · as of 9 Oct 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 6 Nov 2026
portal_listingsprice_changes + first_published_dateSeller motivation · as of 6 Nov 2026

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 8400/mo (range 7550-9250)
Rental economics needs verification before you rely on it
sale estimate 36% above the ask on the same snapshot - verify the rent describes this home

Plan

Before you offer

1. Get two written rental appraisals from local lettings agents.
The market estimate this rent rides on sits far above the asking price, so the rent may describe a different home.
2. 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.
3. 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£2,334,000

Rent Estimate (pcm)£8,400

Gross Yield6.72%

1y Growth+2.8%

3y Growth-4.4%

5y Growth-2.5%

10y Growth-0.7%

Last Sold Price£2,400,000 (2024-12-06)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseModerate

View Full Risk Report

Planning Activity

Recent Apps

1N6 5HL

Approval Rate

100%12mo

Development

low

HGY/2026/3047
Birch - Cut trunk as close to ground level as practically possible This tree is in decline Dead Birch - Cut trunk as close to ground level as practically possible This tree is dead Holly - Reduce the height back to the previous reduction points (approx. 3.5m) Maintenance works in line with good arboricultural practice
Pending
HGY/2026/3035
T1) Eucalyptus: fell to ground level. Insurance company have stipulated this needs to happen due to subsidence.
Pending
HGY/2026/3032
Large Oak - Crown reduce the low to mid spread growing towards South-East, South and South-West by branches of up to 2.5m keeping the natural canopy outline. Crown thin by 20% and remove major dead wood. Maintenance works in line with good arboricultural practice
Pending

View Planning Timeline