Flat 12, Cromwell House, 43 High Street, Ruislip, HA4 7BD

UPRN:10091099341Converted Flat2 bedsBuilt 2012-2021

LeaseholdCouncil Tax: Band DEPC: D (66)

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

Flat 12, Cromwell House, 43 High Street, Ruislip, HA4 7BD

HP Score

/ 100

Mixed

Verdict

2 days ago

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

Evidence

20 of 21 sources

Sale Estimate

£379,000

£360k - £398kHigh

Estimate

£379k

Range

£360k – £398k

Rent Estimate (pcm)

£1,600

£2k - £2k

Monthly

£1,600

Yield

4.80%

Verdict

Derived from HomePortfolio scores

Flat 12 earns an INVESTIGATE rating with HP Score 73/100. Investment score 70/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (96/100). 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

73/ 100

Mixed

Investment Score

70/ 100

Moderate

Crime Score

63/ 100

Elevated

Walkability

96/ 100

Excellent

Transit & Bike

Transit 60Bike 43

Walk Score, out of 100

Opportunity

Not scored as an opportunity

We will not put a number on this one.

listing is 'Sold subject to contract' - sale already progressing, not an actionable opportunity

Withholding a score is deliberate. A number built on missing or stale inputs would look more certain than the evidence allows.

Economics

What happens to your money

Your assumptions

Purchase price£400,000

At the asking price

Monthly rent£1,600/mo

Evidenced range £1,500-£1,750

Interest rate5.4%

Loan to value75%

Cash required: £131,300
Net cash flow: -£242/mo
Cash on cash: -2.2%
Score at this price: -

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.19 - below the usual 1.25 test. These are your assumptions, not evidence: only the pre-filled rent and price come from the record.

Risks

What could kill this deal

Score confidence is low
largely a single source - treat the number as a prompt, not a conclusion

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

Plan

Before you offer

1. 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£379,000

Rent Estimate (pcm)£1,600

Gross Yield4.80%

1y Growth-

3y Growth+2.8%

5y Growth+2.0%

10y Growth+2.2%

Last Sold Price-

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningModerate
LandslideLow
Air QualityLow
NoiseModerate

View Full Risk Report

Planning Activity

Recent Apps

2HA4 7BD

Approval Rate

0%12mo

Development

low

60571/APP/2026/2445
Erection of a front porch extension and erection of an outbuilding to the rear garden for use as a garden store (Application for a Certificate of Lawful Development for a Proposed Development).
Pending
74783/APP/2026/2404
Demolition of conservatory and erection of single storey rear and part double storey side extensions.
Pending
69159/APP/2026/2302
Conversion of roof space to habitable accommodation, including a hip-to-gable roof extension with side-facing window, a rear dormer with Juliet balcony, one front roof light and the infilling of an existing first-floor side window (Application for a Certificate of Lawful Development for a Proposed Development)
Pending

View Planning Timeline

Ownership

Corporate Ownership52.6%
Overseas OwnershipNo
Lease Term Remaining114 yrs
CovenantsRestrictive
Lease TypeLeasehold
Last Ownership Change-
SourceLand Registry

View Ownership Details

Connectivity

Broadband (Standard)

19 Mbps

Mobile 4G/5G Coverage

EEThreeO2Vodafone

EV Charger

PTAL Rating

View Connectivity Map

Area Profile

Median EarningsLocal authority£36,429

Population Density5,358 /km²

Owner Occupied53%

Age Distribution

0-15 14%16-64 67%65+ 19%

View Area Profile

Schools Nearby

Bishop Winnington-Ingram CofE Primary School
0.4 mi
-
Warrender Primary School
0.5 mi
Report card2026
Ofsted no longer awards a single overall grade.
Sacred Heart Catholic Primary School
0.6 mi
Outstanding
Whiteheath Junior School
0.6 mi
GoodImproving

2 of 11 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All

Cromwell House, 43 - 45 High Street
-
£293k
-
Cromwell House, 43 - 45 High Street
-
£310k
-
Cromwell House, 43 High Street
-
£153k
-
Cromwell House, 43 - 45 High Street
-
£357k
-

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