49 Longbourn, Windsor, SL4 3TN

UPRN:10012308480Purpose Built Flat2 bedsBuilt 2003-2006

LeaseholdCouncil Tax: Band EEPC: B (81)

Data freshness:Price Paid· freshEPC· 2mo agoRisk· 5mo agoConnectivity· 1mo agoAmenities· 1mo agoArea· Census 2021

HP Score

/ 100

Strong

Verdict

3 days ago

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

Evidence

20 of 21 sources

Sale Estimate

£418,000

£397k - £439kHigh

Estimate

£418k

Range

£397k – £439k

Rent Estimate (pcm)

£1,600

£1k - £2k

Monthly

£1,600

Yield

5.05%

Verdict

Derived from HomePortfolio scores

49 Longbourn earns an INVESTIGATE rating with HP Score 76/100. Investment score 62/100 reflects moderate fundamentals. Crime intensity is very low. Walkability is limited (54/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. Tenure is leasehold. 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

76/ 100

Strong

Investment Score

62/ 100

Moderate

Crime Score

12/ 100

Low

Walkability

54/ 100

Moderate

Transit & Bike

Transit 21Bike 54

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesListing checked 28 Oct 2026

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

Valuation edge0/15
claims [AVM +9.1% (HIGH), sold-comps -10.5%, £/sqft -10.4%] → 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 10012308480· as of 13 Oct 2026
- property_comparablessold-evidence family (implied value + £/sqft): 11 comps, dispersion 17.1%· as of 28 Oct 2026
Rental economics0.3/40
gross yield 5.1%; range width penalty ×0.82
- valuation_snapshotsrent estimate 1600/mo (range 1450-1750)· as of 13 Oct 2026· verify before relying on this
Stress margin0/30
stressed cash flow -751/mo, -47% of rent (6.75% on a 75% loan; disclosed service charge and ground rent); fails the stress - earns nothing
- listing_factsservice charge / ground rent from the advert· as of 28 Oct 2026
Seller motivationNot scored
context, not scored: 1 price cut(s), 68 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 28 Oct 2026
Risk & liquidity14.6/15
349 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

£285,000£437,000

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£380,000

At the asking price

Monthly rent£1,600/mo

Evidenced range £1,450-£1,750

Interest rate5.4%

Loan to value75%

Cash required: £124,300
Net cash flow: -£175/mo
Cash on cash: -1.7%
Score at this price: 15

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.25 - 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 10012308480Valuation edge · as of 13 Oct 2026
property_comparablessold-evidence family (implied value + £/sqft): 11 comps, dispersion 17.1%Valuation edge · as of 28 Oct 2026
valuation_snapshotsrent estimate 1600/mo (range 1450-1750)Rental economics · as of 13 Oct 2026 · verify before relying on this
listing_factsservice charge / ground rent from the advertStress margin · as of 28 Oct 2026
portal_listingsprice_changes + first_published_dateSeller motivation · as of 28 Oct 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 1600/mo (range 1450-1750)
Seller motivation could not be scored
context, not scored: 1 price cut(s), 68 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£418,000

Rent Estimate (pcm)£1,600

Gross Yield5.05%

1y Growth-15.8%

3y Growth+0.2%

5y Growth-0.7%

10y Growth+0.3%

Last Sold Price£317,000 (2010-06-22)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceModerate
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseLow

View Full Risk Report

Planning Activity

Recent Apps

0SL4 3TN

Approval Rate

-12mo

Development

low

26/02579/CPD
Certificate of lawfulness to determine whether the proposed enlargement and conversion of the existing detached outbuilding incidental to the main dwelling is lawful.
Pending
26/02537/CLD
Certificate of lawfulness to determine whether the existing detached outbuilding incidental to the main dwelling is lawful.
Pending
26/02515/TPO
(T1) - Purple Maple - Crown lift to approximately 4 - 5m by removing the 4 lowest primary limbs, 1 over neighbouring drive and 3 over site garden and secondary growth only where possible. Crown reduce the side over the neighbouring driveway and road by 1.5m, and side growing towards site property by 1m. Remove major deadwood - branches over 50mm at source and over 300mm in length. (005/1960/TPO).
Pending

View Planning Timeline