18B Upper High Street, Winchester, SO23 8UT

UPRN:100060613482Mid Terrace House2 bedsBuilt 1900-1929

FreeholdCouncil Tax: Band DEPC: E (48)

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

18B Upper High Street, Winchester, SO23 8UT

HP Score

/ 100

Strong

Verdict

today

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

Evidence

20 of 21 sources

Sale Estimate

£511,000

£485k - £537kHigh

Estimate

£511k

Range

£485k – £537k

Rent Estimate (pcm)

£2,300

£2k - £3k

Monthly

£2,300

Yield

6.13%

Verdict

Derived from HomePortfolio scores

18B Upper High Street earns an INVESTIGATE rating with HP Score 78/100. Investment score 60/100 reflects moderate fundamentals. Crime intensity is low. Walkability is excellent (97/100). 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

78/ 100

Strong

Investment Score

60/ 100

Moderate

Crime Score

32/ 100

Moderate

Walkability

97/ 100

Excellent

Transit & Bike

Transit 31Bike 64

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence1 independent sourceListing checked 11 Nov 2026

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

Valuation edge2.5/15
claims [AVM +11.9% (HIGH), sold-comps +47.3%, £/sqft +47.3%] → measured edge +0.50pp 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 100060613482· as of 9 Nov 2026
- property_comparablessold-evidence family (implied value + £/sqft): 12 comps, dispersion 11.3%· as of 1 Nov 2026
Rental economics7.7/40
gross yield 6.1%; range width penalty ×0.85
- valuation_snapshotsrent estimate 2300/mo (range 2100-2500)· as of 9 Nov 2026· verify before relying on this
Stress margin0/30
stressed cash flow -338/mo, -15% 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 11 Nov 2026
Seller motivationNot scored
context, not scored: 0 price cut(s), 64 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 11 Nov 2026
Risk & liquidity14.6/15
257 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

£337,500£517,500

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£450,000

At the asking price

Monthly rent£2,300/mo

Evidenced range £2,100-£2,500

Interest rate5.4%

Loan to value75%

Cash required: £148,800
Net cash flow: £74/mo
Cash on cash: 0.6%
Score at this price: 25

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.51 - 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 100060613482Valuation edge · as of 9 Nov 2026
property_comparablessold-evidence family (implied value + £/sqft): 12 comps, dispersion 11.3%Valuation edge · as of 1 Nov 2026
valuation_snapshotsrent estimate 2300/mo (range 2100-2500)Rental economics · as of 9 Nov 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 11 Nov 2026
portal_listingsprice_changes + first_published_dateSeller motivation · as of 11 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 2300/mo (range 2100-2500)
Seller motivation could not be scored
context, not scored: 0 price cut(s), 64 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. 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£511,000

Rent Estimate (pcm)£2,300

Gross Yield6.13%

1y Growth-73.9%

3y Growth-3.1%

5y Growth-1.1%

10y Growth+1.9%

Last Sold Price£425,000 (2021-09-10)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceLow
RadonLow
MiningLow
LandslideLow
Air QualityLow
NoiseModerate

View Full Risk Report

Planning Activity

Recent Apps

6SO23 8UT

Approval Rate

100%12mo

Development

low

26/02287/HOU
A single storey rear extension
Pending
26/02282/HOU
Alterations to side extension roof and rear elevation, new fence, new shed, new air-conditioning condensers, alterations to front boundary wall and removal of existing conservatory
Pending
26/02278/TPC
T1 - Reduce leaning Crab Apple by approx 1m and balance shape. G1 - Reduce Bay to height of top of neighbours upstairs windows and trim sides. T2 - Crown lift and tidy Hawthorn on driveway. T3 - Reduce Cockspur Hawthorn by approx 50%
Pending

View Planning Timeline