23 Harlyn Drive, Pinner, HA5 2DF

UPRN:100021451318Detached House2 bedsBuilt 1930-1949

Tenure: -Council Tax: Band EEPC: D (59)

Data freshness:Listing· freshPlanning· 4mo agoOwnership· freshEPC· 3mo agoRisk· 5mo agoCrime· freshConnectivity· 1mo agoSchools· 1mo agoAmenities· 2mo agoArea· Census 2021Council Tax· 1mo ago

HP Score

/ 100

Strong

Verdict

4 days ago

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

Evidence

17 of 21 sources

Sale Estimate

£625,000

£594k - £656kHigh

Estimate

£625k

Range

£594k – £656k

Rent Estimate (pcm)

£2,050

£2k - £2k

Monthly

£2,050

Yield

3.94%

Verdict

Derived from HomePortfolio scores

23 Harlyn Drive earns an INVESTIGATE rating with HP Score 76/100. Investment score 56/100 reflects moderate fundamentals. Crime intensity is very low. Walkability is limited (58/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. 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

76/ 100

Strong

Investment Score

56/ 100

Moderate

Crime Score

8/ 100

Low

Walkability

58/ 100

Moderate

Transit & Bike

Transit 30Bike 51

Walk Score, out of 100

Opportunity

Not scored as an opportunity

We will not put a number on this one.

listing is 'Under offer' - 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£625,000

At the asking price

Monthly rent£2,050/mo

Evidenced range £1,800-£2,300

Interest rate5.4%

Loan to value75%

Cash required: £210,050
Net cash flow: -£690/mo
Cash on cash: -3.9%
Score at this price: -

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 0.97 - 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£625,000

Rent Estimate (pcm)£2,050

Gross Yield3.94%

1y Growth+15.5%

3y Growth+1.8%

5y Growth+2.9%

10y Growth+3.2%

Last Sold Price-

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningSignificant
LandslideLow
Air QualityLow
NoiseBelow 40 dB

View Full Risk Report

Planning Activity

Recent Apps

0HA5 2DF

Approval Rate

-12mo

Development

low

34251/APP/2026/2438
Application under Section 73A of the Town and Country Planning Act 1990 for development already carried out including the erection of a single-storey extension to the front, side and rear of the dwelling, including conversion of the garage to a habitable room.
Pending
79454/APP/2026/1806
Erection of a part two storey part single storey rear and side extension
Approved
80176/APP/2026/1740
Conversion of roof space to habitable use to include a rear dormer extension and front facing roof lights (Application for a Certificate of Lawful Development for a Proposed Development)
Approved

View Planning Timeline

Ownership

Corporate Ownership48.6%
Overseas OwnershipNo
Lease Term Remaining-
CovenantsRestrictive
Lease Type-
Last Ownership Change-
SourceLand Registry

View Ownership Details

Connectivity

Broadband (Standard)

3 Mbps

Mobile 4G/5G Coverage

EEThreeO2Vodafone

EV Charger

PTAL Rating

View Connectivity Map

Area Profile

Median EarningsLocal authority£36,429

Population Density2,928 /km²

Owner Occupied80%

Age Distribution

0-15 20%16-64 59%65+ 21%

View Area Profile

Schools Nearby

Harlyn Primary School
0.1 mi
Area grades2024
Inspected after Ofsted withdrew the single overall grade.
Northwood School
0.4 mi
Inspected as Northwood School (URN 102445) on 5 Jul 2011
Haydon School
0.4 mi
Good
UTC Heathrow
0.4 mi
Good

3 of 9 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All

35 Harlyn Drive
-
£715k
-
47 Harlyn Drive
-
£740k
-
21 Harlyn Drive
-
£630k
-
51 Harlyn Drive
-
£575k
-

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