7 Northumberland House, Lower Square, Isleworth, TW7 6RL
UPRN:10001271623Flat/Maisonette2 bedsBuilt 2007 onwards
LeaseholdCouncil Tax: Band EEPC: C (78)
Data freshness:Listing· freshListing: fresh, refreshed 5d ago (2026-11-05T04:00:06.311246+00:00)Planning· 3mo agoPlanning: stale, refreshed 3mo ago (2026-08-08T13:16:57.103518+00:00)Ownership· 1mo agoOwnership: ageing, refreshed 1mo ago (2026-10-10T15:14:52.988241+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 (2026-10-06T05:00:30.533230+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 refresh
HP Score
80
/ 100
Strong
Verdict
5 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed
Evidence
20 of 21 sourcesSale Estimate
£400,000
£360k - £441kMedium
Estimate
£400k
Range
£360k – £441k
Rent Estimate (pcm)
£1,750
£2k - £2k
Monthly
£1,750
Yield
5.25%
Verdict
Derived from HomePortfolio scores
7 Northumberland House earns an INVESTIGATE rating with HP Score 80/100. Investment score 71/100 reflects strong fundamentals. Crime intensity is low. Walkability is excellent (88/100). 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
80
HP Score
80/ 100
Strong
71
Investment Score
71/ 100
High
27
Crime Score
27/ 100
Moderate
88
Walkability
88/ 100
Excellent
Transit & Bike
Transit 31Bike 64
Walk Score, out of 100
Valuation & Market
Sale Estimate£400,000
Rent Estimate (pcm)£1,750
Gross Yield5.25%
1y Growth-
3y Growth-0.6%
5y Growth+0.2%
10y Growth+1.2%
Last Sold Price£305,000 (2007-10-04)
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseLow
Planning Activity
Recent Apps
1TW7 6RL
Approval Rate
100%12mo
Development
low
- PendingPA26/3769T1 & T2: Olives - Crown reduce the height by 30% (approx. 2.5m) Crown reduce the spread to balance and shape ensuring to retain green foliage (approx. 2.0m) T3: Magnolia grandiflora - Crown reduce the height and spread by approx. 20% (approx. 2.0m height and 1.5m spread) Crown thin by by 10% and remove dead wood Maintenance works in line with good arboricultural practice
- PendingPA26/3758T1 Eucalyptus tree to selectively thin removing heavier limbs to relieve canopy of weight to remove all dead wood and to lift lower canopy to a standing height of 10ft, start size 12mx7m finish 11mx6m T2 Eucalyptus tree to selectively thin by 30%and lift lower canopy to a standing height of 10ft, start size 7mx5m finish 6mx4m
- PendingP/2026/3062Formation of vehicular access to the front of the house with associated hardstanding.
Ownership
- Corporate Ownership52.3%
- Overseas OwnershipNo
- Lease Term Remaining105 yrs
- CovenantsRestrictive
- Lease TypeLeasehold
- Last Ownership Change2007-10-04
- SourceLand Registry
Connectivity
Broadband (Standard)
13 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£35,301
Population Density-
Owner Occupied49%
Age Distribution
0-15 19%16-64 65%65+ 16%
Schools Nearby
- The Blue School CofE Primary0.1 miGood
- St Mary's Catholic Primary School, Isleworth0.1 miGood
- Gumley House RC Convent School, FCJ0.2 miGood
- Isleworth Town Primary School0.3 miGood
2 of 12 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- Northumberland House Lower Square-£295k-
- Northumberland House Lower Square-£315k-
- The Old Blue School Apartments Lower Square-£615k-
- The Old Blue School Apartments Lower Square-£570k-