Cwmwern Deri, Nantyglyn Road, Glanamman, Ammanford, SA18 2YT

UPRN:200002957054Detached PropertyBeds -Built -

FreeholdCouncil Tax: -EPC: -

Data freshness:Listing· freshPlanning· 2mo agoOwnership· freshRisk· 2y agoConnectivity· 1mo agoSchools· 1mo agoAmenities· 2mo agoArea· Census 2021

Cwmwern Deri, Nantyglyn Road, Glanamman, Ammanford, SA18 2YT

HP Score

/ 100

Strong

Verdict

today

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

Evidence

17 of 21 sources

Sale Estimate

£473,000

£426k - £520kMedium

Estimate

£473k

Range

£426k – £520k

Rent Estimate (pcm)

£1,850

£2k - £2k

Monthly

£1,850

Yield

2.61%

Verdict

Derived from HomePortfolio scores

Cwmwern Deri earns an INVESTIGATE rating with HP Score 75/100. Investment score 60/100 reflects moderate fundamentals. Crime intensity is very low. 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 SourcesPortal listingsOfcom Connected NationsOfcom mobile coverageMarket estimates (third-party AVM)HM Land Registry sales matched to addressONS 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

75/ 100

Strong

Investment Score

60/ 100

Moderate

Crime Score

13/ 100

Low

Walkability

No data

Transit & Bike

No data

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesListing checked 6 Nov 2026

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

Valuation edge-0.6/15
claims [AVM -79.7% (MEDIUM)] → measured edge -0.12pp of the ask; on later-registered sales an AVM discount carried no edge and a sold-evidence gap at most +0.5pp; asking more than 10% above the estimate (measured -0.33pp)
Market estimate used (MEDIUM confidence) · snapshot 10 Nov 2026
- valuation_snapshotsestimate for 200002957054· as of 10 Nov 2026
Rental economics0/40
gross yield 2.6%; range width penalty ×0.82
- valuation_snapshotsrent estimate 1850/mo (range 1700-2050)· as of 10 Nov 2026· verify before relying on this
Stress margin0/30
stressed cash flow -2,356/mo, -127% 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
no listing-history inputs (first published date, price changes)
Risk & liquidity12.9/15
300 sales/12mo in area; valuation range width 20%
- 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

£637,500£977,500

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£850,000

At the asking price

Monthly rent£1,850/mo

Evidenced range £1,700-£2,050

Interest rate5.4%

Loan to value75%

Cash required: £288,800
Net cash flow: -£1,588/mo
Cash on cash: -6.6%
Score at this price: 12

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 0.64 - 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 200002957054Valuation edge · as of 10 Nov 2026
valuation_snapshotsrent estimate 1850/mo (range 1700-2050)Rental economics · as of 10 Nov 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 6 Nov 2026
property_intelligencetransactions_12moRisk & liquidity

Sold comparables in depth Valuation methodology

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 1850/mo (range 1700-2050)
Seller motivation could not be scored
no listing-history inputs (first published date, price changes)

Property risk deep-dive →flood, subsidence, crime, environment - the full domain

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£473,000

Rent Estimate (pcm)£1,850

Gross Yield2.61%

1y Growth-

3y Growth+4.0%

5y Growth+3.7%

10y Growth+5.0%

Last Sold Price£99,950 (1999-09-06)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceLow
RadonLow
MiningLow
LandslideSignificant
Air QualityLow
NoiseWithheld

View Full Risk Report

Planning Activity

Recent Apps

1SA18 2YT

Approval Rate

100%12mo

Development

low

PL/11518
Variation of Conditions 4, 9, 10 and 11 on PL/08382
Pending
PL/11276
Proposed installation of a ground‑mounted solar photovoltaic array within the rear garden of the domestic property
Approved
PL/11180
Retention of Workshop
Rejected

View Planning Timeline