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Flat 3, Riverside Mill House, 20 Church Street, Isleworth, TW7 6XB

UPRN:10091069374Flat/Maisonette3 bedsBuilt 2007 onwards
LeaseholdCouncil Tax: Band GEPC: B (84)
Data freshness:Listing· freshListing: fresh, refreshed 2d ago (2026-11-04T04:00:06.345886+00:00)Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T09:21:01.811508+00:00)EPC· 6mo agoEPC: stale, refreshed 6mo ago (2026-05-20T10:58:39.129138+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)Schools· 1mo agoSchools: ageing, refreshed 1mo ago (2026-10-06T08:24:30.427161+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
Flat 3, Riverside Mill House, 20 Church Street, Isleworth, TW7 6XB

HP Score

Strong
Verdict
today
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Strong fundamentals; flood risk not assessed

Evidence
20 of 21 sources
Sale Estimate
£763,000
£725k - £801kHigh
Estimate
£763k
Range
£725k – £801k
Rent Estimate (pcm)
£3,400
£3k - £4k
Monthly
£3,400
Yield
8.68%

Verdict

Derived from HomePortfolio scores

Flat 3 earns an INVESTIGATE rating with HP Score 83/100. Investment score 75/100 reflects strong fundamentals. Crime intensity is low. Walkability is excellent (99/100). 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
83/ 100
Strong
Investment Score
75/ 100
High
Crime Score
27/ 100
Moderate
Walkability
99/ 100
Excellent
Transit & Bike
Transit 26Bike 66
Walk Score, out of 100

Valuation & Market

Sale Estimate£763,000
Rent Estimate (pcm)£3,400
Gross Yield8.68%
1y Growth-
3y Growth-0.6%
5y Growth+0.2%
10y Growth+1.2%
Last Sold Price£735,000 (2016-11-30)

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseLow

Planning Activity

Recent Apps
4TW7 6XB
Approval Rate
-12mo
Development
low
  • P/2026/3027
    Erection of a single storey side and rear extension and rear roof extension.
    Pending
  • P/2026/2993
    Details of Condition 13 (Boundary treatment and landscaping drawing) submitted pursuant to permission P/2024/0043 dated 27/02/2024 for Variation of conditions 2 (approved plans) and 6 (Energy) of planning permission 00188/ADJ20/P1 approved 25/10/2022 for the demolition of the existing six garages and the erection of a part single, part two storey detached house
    Pending
  • P/2026/2999
    Details of Condition 12 (Street naming and numbering), submitted pursuant to permission P/2024/0043 dated 27/02/2024 for Variation of conditions 2 (approved plans) and 6 (Energy) of planning permission 00188/ADJ20/P1 approved 25/10/2022 for the demolition of the existing six garages and the erection of a part single, part two storey detached house
    Pending

Ownership

  • Corporate Ownership52.3%
  • Overseas OwnershipNo
  • Lease Term Remaining105 yrs
  • CovenantsRestrictive
  • Lease TypeLeasehold
  • Last Ownership Change2016-11-30
  • SourceLand Registry

Connectivity

Broadband (Standard)
12 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-

Area Profile

Median EarningsLocal authority£35,301
Population Density7,008 /km²
Owner Occupied49%
Age Distribution
0-15 19%16-64 65%65+ 16%

Schools Nearby

  • The Blue School CofE Primary
    0.1 mi
    Good
  • St Mary's Catholic Primary School, Isleworth
    0.2 mi
    Good
  • Isleworth Town Primary School
    0.3 mi
    Good
  • Gumley House RC Convent School, FCJ
    0.3 mi
    Good

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

Comparables

View All
  • Riverside Mill House, 20 Church Street
    -
    £720k
    -
  • Riverside Mill House, 20 Church Street
    -
    £725k
    -
  • Riverside Mill House, 20 Church Street
    -
    £875k
    -
  • Monarch House, 8 Church Street
    -
    £850k
    -