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43 Norris House, Union Lane, Isleworth, TW7 6GS

UPRN:10090798205Purpose Built Flat1 bedsBuilt 2012-2021
LeaseholdCouncil Tax: Band CEPC: C (75)
Data freshness:Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:37:53.187735+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)Schools· 1mo agoSchools: ageing, refreshed 1mo ago (2026-10-06T08:24:30.427161+00:00)Amenities· 2mo agoAmenities: ageing, refreshed 2mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refreshCouncil Tax· 1mo agoCouncil Tax: ageing, refreshed 1mo ago (2026-10-10T13:44:38.234439+00:00)
43 Norris House, Union Lane, Isleworth, TW7 6GS

HP Score

Mixed
Verdict
4 days ago
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Mixed signals - investigate

Evidence
19 of 21 sources
Sale Estimate
£279,000
£266k - £293kHigh
Estimate
£279k
Range
£266k – £293k
Rent Estimate (pcm)
£1,250
£1k - £1k
Monthly
£1,250
Yield
5.38%

Verdict

Derived from HomePortfolio scores

43 Norris House earns an INVESTIGATE rating with HP Score 70/100. Investment score 71/100 reflects strong fundamentals. Crime intensity is moderate. Walkability is limited (61/100). 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
70/ 100
Mixed
Investment Score
71/ 100
High
Crime Score
46/ 100
Elevated
Walkability
61/ 100
Moderate
Transit & Bike
Transit 50Bike 66
Walk Score, out of 100

Valuation & Market

Sale Estimate£279,000
Rent Estimate (pcm)£1,250
Gross Yield5.38%
1y Growth+16.6%
3y Growth-0.6%
5y Growth+0.2%
10y Growth+1.2%
Last Sold Price£262,500 (2026-03-27)

Risk Overview

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

Planning Activity

Recent Apps
0TW7 6GS
Approval Rate
-12mo
Development
low
  • P/2026/3075
    Erection of a rear roof extension with five roof windows to the house.
    Pending
  • 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

Ownership

  • Corporate Ownership52.3%
  • Overseas OwnershipNo
  • Lease Term Remaining107 yrs
  • CovenantsNone
  • Lease TypeLeasehold
  • Last Ownership Change2026-03-27
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£35,301
Population Density5,392 /km²
Owner Occupied49%
Age Distribution
0-15 20%16-64 69%65+ 11%

Schools Nearby

  • The Smallberry Green Primary School
    0.1 mi
    Good
  • The Green School for Boys
    0.2 mi
    Good
  • Marlborough Primary School
    0.2 mi
    -
  • The Green School for Girls
    0.2 mi
    Good

3 of 12 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • Norris House Union Lane
    -
    £345k
    -
  • Norris House Union Lane
    -
    £263k
    -
  • Norris House Union Lane
    -
    £373k
    -
  • Norris House Union Lane
    -
    £275k
    -