21 Harlequin Close, Isleworth, TW7 7LA
UPRN:100021576902Semi-Detached House3 bedsBuilt 1983-1990
FreeholdCouncil Tax: Band DEPC: C (70)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 3d ago (2026-11-01T02:21:32.235929+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:11:14.162232+00:00)EPC· 4mo agoEPC: stale, refreshed 4mo ago (2026-07-01T02:04:50.057738+00:00)Risk· 5mo agoRisk: stale, refreshed 5mo ago (2026-06-18T00:00:00+00:00)Connectivity· 1mo agoConnectivity: ageing, refreshed 1mo ago (2026-10-03T06:43:10.905825+00:00)Amenities· 1mo agoAmenities: ageing, refreshed 1mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refresh
HP Score
81
/ 100
Strong
Verdict
3 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed
Evidence
18 of 21 sourcesSale Estimate
£546,000
£519k - £573kHigh
Estimate
£546k
Range
£519k – £573k
Rent Estimate (pcm)
£2,350
£2k - £3k
Monthly
£2,350
Yield
5.16%
Verdict
Derived from HomePortfolio scores
21 Harlequin Close earns an INVESTIGATE rating with HP Score 81/100. Investment score 69/100 reflects moderate fundamentals. Crime intensity is low. Walkability is good (75/100). 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)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
81
HP Score
81/ 100
Strong
69
Investment Score
69/ 100
Moderate
17
Crime Score
17/ 100
Moderate
75
Walkability
75/ 100
High
Transit & Bike
Transit 42Bike 71
Walk Score, out of 100
Valuation & Market
Sale Estimate£546,000
Rent Estimate (pcm)£2,350
Gross Yield5.16%
1y Growth-
3y Growth-0.6%
5y Growth+0.2%
10y Growth+1.2%
Last Sold Price£525,000 (2026-05-15)
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseLow
Planning Activity
Recent Apps
0TW7 7LA
Approval Rate
-12mo
Development
low
- PendingPA26/3706Details pursuant to condition U0151161 - Potentially contaminated site - part 2 (town houses 15-22) of planning reference 21/3136/FUL
- PendingP/2026/2983Erection of a single storey rear extension, installation of pvcu windows to the side to match existing and demolition of garage to the rear.
- PendingP/2026/2961Change of use of the existing single family house (C3) to a House In Multiple Occupation (C4) with associated cycle and refuse storage.
Ownership
- Corporate Ownership52.3%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsRestrictive
- Lease TypeFreehold
- Last Ownership Change2026-05-15
- SourceLand Registry
Connectivity
Broadband (Standard)
16 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£35,301
Population Density6,890 /km²
Owner Occupied72%
Age Distribution
0-15 18%16-64 65%65+ 17%
Schools Nearby
- Chase Bridge Primary School0.3 miArea grades2025
Inspected after Ofsted withdrew the single overall grade.
- Capella House School0.5 miGood
- The Richmond upon Thames School0.5 miGood
- Clarendon School0.5 miOutstandingConcerns
4 of 12 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- 21 Harlequin Close-£525k-
- 2 Harlequin Close-£495k-
- 18 Harlequin Close-£480k-
- 25 Harlequin Close-£450k-