11 Chilterns Park, Bourne End, SL8 5LB

UPRN:100080522641Detached House4 bedsBuilt 1967-1975

FreeholdCouncil Tax: Band GEPC: C (73)

Data freshness:Listing· freshPlanning· 6mo agoOwnership· freshEPC· 3mo agoRisk· 5mo agoCrime· freshConnectivity· 1mo agoSchools· 1mo agoAmenities· 2mo agoArea· Census 2021Council Tax· 1mo ago

HP Score

/ 100

Mixed

Verdict

today

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

Evidence

17 of 21 sources

Sale Estimate

£1,287,000

£1.22M - £1.35MHigh

Estimate

£1.29M

Range

£1.22M – £1.35M

Rent Estimate (pcm)

£4,100

£4k - £5k

Monthly

£4,100

Yield

3.78%

Verdict

Derived from HomePortfolio scores

11 Chilterns Park earns an INVESTIGATE rating with HP Score 74/100. Investment score 58/100 reflects moderate fundamentals. Crime intensity is very low. Walkability is limited (42/100). 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 Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

74/ 100

Mixed

Investment Score

58/ 100

Moderate

Crime Score

5/ 100

Low

Walkability

42/ 100

Mixed

Transit & Bike

Transit 8Bike 27

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesListing checked 14 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 -1.0% (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 Nov 2026
- valuation_snapshotsestimate for 100080522641· as of 9 Nov 2026
Rental economics0/40
gross yield 3.8%; range width penalty ×0.69
- valuation_snapshotsrent estimate 4100/mo (range 3550-4600)· as of 9 Nov 2026· verify before relying on this
Stress margin0/30
stressed cash flow -2,601/mo, -63% 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 14 Nov 2026
Seller motivationNot scored
context, not scored: 0 price cut(s), 143 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 14 Nov 2026
Risk & liquidity14.6/15
86 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

£975,000£1,495,000

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£1,300,000

At the asking price

Monthly rent£4,100/mo

Evidenced range £3,550-£4,600

Interest rate5.4%

Loan to value75%

Cash required: £465,050
Net cash flow: -£1,549/mo
Cash on cash: -4.0%
Score at this price: 15

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 0.93 - 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 100080522641Valuation edge · as of 9 Nov 2026
valuation_snapshotsrent estimate 4100/mo (range 3550-4600)Rental economics · as of 9 Nov 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 14 Nov 2026
portal_listingsprice_changes + first_published_dateSeller motivation · as of 14 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 4100/mo (range 3550-4600)
Seller motivation could not be scored
context, not scored: 0 price cut(s), 143 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. 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£1,287,000

Rent Estimate (pcm)£4,100

Gross Yield3.78%

1y Growth-

3y Growth-3.0%

5y Growth+2.6%

10y Growth+1.9%

Last Sold Price-

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningSignificant
LandslideLow
Air QualityLow
NoiseLow

View Full Risk Report

Planning Activity

Recent Apps

1SL8 5LB

Approval Rate

-12mo

Development

low

PL/26/08600/FA
Householder application for the construction of a single storey front, side and rear extension following demolition of existing garage and single storey rear extension.
Pending
PL/26/08940/FA
Householder application for extension of existing side dormer
Pending
PL/26/08917/KA
Full canopy reduction/ crown reduction up to 2 metres, back to original cuts from previous work to 1 x Horse Chestnut (T1)
Pending

View Planning Timeline