4 Blackhill Wood Lane, Costessey, Norwich, NR8 5GG

UPRN:2630173708Semi-Detached HouseBeds -Built -

FreeholdCouncil Tax: Band CEPC: C (79)

Data freshness:Listing· freshPrice Paid· freshPlanning· 4mo agoEPC· 6mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· 1mo agoAmenities· 1mo agoArea· Census 2021Council Tax· 4mo ago

4 Blackhill Wood Lane, Costessey, Norwich, NR8 5GG

HP Score

/ 100

Mixed

Verdict

today

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

Evidence

16 of 21 sources

Sale Estimate

£268,000

£255k - £281kHigh

Estimate

£268k

Range

£255k – £281k

Rent Estimate (pcm)

£1,200

£1k - £1k

Monthly

£1,200

Yield

5.24%

Verdict

Derived from HomePortfolio scores

4 Blackhill Wood Lane earns an INVESTIGATE rating with HP Score 66/100. Investment score 58/100 reflects moderate fundamentals. Crime intensity is very low. Walkability is limited (13/100). 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 NationsMarket 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 covenantsHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

66/ 100

Mixed

Investment Score

58/ 100

Moderate

Crime Score

14/ 100

Low

Walkability

13/ 100

Low

Transit & Bike

Transit 32Bike 32

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesListing checked 5 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 -2.6% (HIGH), sold-comps -10.9%, £/sqft -10.8%] → 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 2630173708· as of 9 Oct 2026
- property_comparablessold-evidence family (implied value + £/sqft): 12 comps, dispersion 7.8%· as of 28 Oct 2026
Rental economics1.6/40
gross yield 5.2%; range width penalty ×0.87
- valuation_snapshotsrent estimate 1200/mo (range 1100-1300)· as of 9 Oct 2026· verify before relying on this
Stress margin0/30
stressed cash flow -408/mo, -34% 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 5 Nov 2026
Seller motivationNot scored
context, not scored: 0 price cut(s), 47 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 5 Nov 2026
Risk & liquidity14.7/15
277 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

£206,000£316,000

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£275,000

At the asking price

Monthly rent£1,200/mo

Evidenced range £1,100-£1,300

Interest rate5.4%

Loan to value75%

Cash required: £87,550
Net cash flow: -£97/mo
Cash on cash: -1.3%
Score at this price: 16

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.29 - 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 2630173708Valuation edge · as of 9 Oct 2026
property_comparablessold-evidence family (implied value + £/sqft): 12 comps, dispersion 7.8%Valuation edge · as of 28 Oct 2026
valuation_snapshotsrent estimate 1200/mo (range 1100-1300)Rental economics · as of 9 Oct 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 5 Nov 2026
portal_listingsprice_changes + first_published_dateSeller motivation · as of 5 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 1200/mo (range 1100-1300)
Seller motivation could not be scored
context, not scored: 0 price cut(s), 47 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£268,000

Rent Estimate (pcm)£1,200

Gross Yield5.24%

1y Growth-33.2%

3y Growth+0.1%

5y Growth+1.7%

10y Growth+3.4%

Last Sold Price£218,000 (2020-11-06)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceModerate
RadonLow
MiningLow
LandslideLow
Air QualityLow
NoiseLow

View Full Risk Report

Planning Activity

Recent Apps

0NR8 5GG

Approval Rate

-12mo

Development

low

2025/3295
Erection of a glasshouse to serve existing garden centre and nursery business
Conditions
2025/3168
Certificate of lawfulness for proposed 4m single storey extension
Decided
2024/2298
Conversion of existing garage into an annexe
Decided

View Planning Timeline