3 Carne Quarry, Mullion, Helston, TR12 7DP

UPRN:10013626198Detached House5 bedsBuilt 2012 onwards

FreeholdCouncil Tax: Band FEPC: C (76)

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

3 Carne Quarry, Mullion, Helston, TR12 7DP

HP Score

/ 100

Mixed

Verdict

3 days ago

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

Evidence

16 of 21 sources

Sale Estimate

£1,148,000

£1.03M - £1.26MMedium

Estimate

£1.15M

Range

£1.03M – £1.26M

Rent Estimate (pcm)

£3,550

£3k - £4k

Monthly

£3,550

Yield

3.41%

Verdict

Derived from HomePortfolio scores

3 Carne Quarry earns an INVESTIGATE rating with HP Score 67/100. Investment score 61/100 reflects moderate fundamentals. Crime intensity is low. Walkability is limited (44/100). 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

67/ 100

Mixed

Investment Score

61/ 100

Moderate

Crime Score

22/ 100

Moderate

Walkability

44/ 100

Mixed

Transit & Bike

Transit 6Bike 29

Walk Score, out of 100

Opportunity

Why this could be an opportunity

Low confidence0 independent sourcesListing checked 30 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 -8.9% (MEDIUM)] → 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 (MEDIUM confidence) · snapshot 9 Oct 2026
- valuation_snapshotsestimate for 10013626198· as of 9 Oct 2026
Rental economics0/40
gross yield 3.4%; range width penalty ×0.66
- valuation_snapshotsrent estimate 3550/mo (range 3100-4050)· as of 9 Oct 2026· verify before relying on this
Stress margin0/30
stressed cash flow -2,794/mo, -79% 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 30 Oct 2026
Seller motivationNot scored
no listing-history inputs (first published date, price changes)
Risk & liquidity12.8/15
87 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

£937,500£1,437,500

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£1,250,000

At the asking price

Monthly rent£3,550/mo

Evidenced range £3,100-£4,050

Interest rate5.4%

Loan to value75%

Cash required: £445,050
Net cash flow: -£1,761/mo
Cash on cash: -4.7%
Score at this price: 13

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 0.84 - 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 10013626198Valuation edge · as of 9 Oct 2026
valuation_snapshotsrent estimate 3550/mo (range 3100-4050)Rental economics · as of 9 Oct 2026 · verify before relying on this
underwriting_assumptionscosts not disclosed by the advertStress margin · as of 30 Oct 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 3550/mo (range 3100-4050)
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£1,148,000

Rent Estimate (pcm)£3,550

Gross Yield3.41%

1y Growth-

3y Growth-5.1%

5y Growth-1.2%

10y Growth+2.2%

Last Sold Price-

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceLow
RadonLow
MiningLow
LandslideLow
Air QualityLow
NoiseLow

View Full Risk Report

Planning Activity

Recent Apps

0TR12 7DP

Approval Rate

-12mo

Development

low

PA26/06719
Householder application for proposed loft conversion, sunroom and alterations
Pending
PA26/06080
Listed Buiding Consent Proposed restoration including replacement rear extension and garage to Grade II Listed property
Pending
PA26/06079
Proposed restoration including replacement rear extension and garage to Grade II Listed property
Pending

View Planning Timeline

Ownership

Corporate Ownership73.3%
Overseas OwnershipNo
Lease Term Remaining-
CovenantsRestrictive
Lease TypeFreehold
Last Ownership Change-
SourceLand Registry

View Ownership Details

Connectivity

Broadband (Standard)

16 Mbps

Mobile 4G/5G Coverage

EEThreeO2Vodafone

EV Charger

PTAL Rating

View Connectivity Map

Area Profile

Median EarningsLocal authority£28,210

Population Density113 /km²

Owner Occupied72%

Age Distribution

0-15 17%16-64 50%65+ 33%

View Area Profile

Schools Nearby

Mullion School
0.2 mi
Good
Mullion Primary School
0.4 mi
Area grades2025
Inspected after Ofsted withdrew the single overall grade.
Grade-Ruan CofE Primary School
3.2 mi
Requires improvementConcerns
Garras Community Primary School
3.4 mi
Report card2026
Ofsted no longer awards a single overall grade.

0 of 15 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All

Larkspur Meaver Road
-
£322k
-
Little Trudnoe Meaver Road
-
£630k
-
Meaver House Meaver Road
-
£655k
-
Carne Quarry Meaver Road
-
£525k
-

Boundary data not available for this property

No registered title polygon, building footprint, or street match for this property yet.

Why: No HMLR INSPIRE / OSM footprint / OS Open USRN match for this UPRN

Source: HM Land Registry INSPIRE / OpenStreetMap / OS Open USRN