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Maisonette 4, 131 Portnall Road, London, W9 3BN

UPRN:10033616631Converted Flat2 bedsBuilt -
LeaseholdCouncil Tax: -EPC: -
Data freshness:Listing· freshListing: fresh, refreshed 2d ago (2026-11-04T04:00:06.345886+00:00)Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T08:48:11.154109+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
Maisonette 4, 131 Portnall Road, London, W9 3BN

HP Score

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

    Strong fundamentals; flood risk not assessed

Evidence
18 of 21 sources
Sale Estimate
£531,000
£478k - £584kMedium
Estimate
£531k
Range
£478k – £584k
Rent Estimate (pcm)
£2,250
£2k - £2k
Monthly
£2,250
Yield
5.08%

Verdict

Derived from HomePortfolio scores

Maisonette 4 earns an INVESTIGATE rating with HP Score 79/100. Investment score 60/100 reflects moderate fundamentals. Crime intensity is low. Walkability is excellent (95/100). 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 SourcesPortal listingsOfcom Connected NationsMarket 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
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HP Score
79/ 100
Strong
Investment Score
60/ 100
Moderate
Crime Score
18/ 100
Moderate
Walkability
95/ 100
Excellent
Transit & Bike
Transit 65Bike 80
Walk Score, out of 100

Valuation & Market

Sale Estimate£531,000
Rent Estimate (pcm)£2,250
Gross Yield5.08%
1y Growth-11.1%
3y Growth-4.5%
5y Growth-0.6%
10y Growth-0.3%
Last Sold Price£275,000 (2009-06-12)
View Market Details

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseLow
View Full Risk Report

Planning Activity

Recent Apps
5W9 3BN
Approval Rate
-12mo
Development
low
  • 26/2769
    T1. Sycamore (Acer psuedoplatanus) Rear garden Large mature tree dominating rear garden and overhanging adjacent gardens. Snapped branches throughout canopy, and squirrel damage on new growth. Previously reduced 4 years ago. Reduce canopy to previous points of reduction (3m in height and 2m in lateral spread) to maintain cyclical pruning and improve light into surrounding areas.
    Pending
  • 26/07363/FULL
    Demolition of existing rear/side extension and construction of a new extension together with new glazing and doors, and changing the existing rooflights to the rear roof slope with new rooflights.
    Pending
  • 26/07354/TDD
    1 x Mimosa (rear): fell
    Pending
View Planning Timeline

Ownership

  • Corporate Ownership53.7%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsRestrictive
  • Lease TypeLeasehold
  • Last Ownership Change2009-06-12
  • SourceLand Registry
View Ownership Details

Connectivity

Broadband (Standard)
7 Mbps
Mobile 4G/5G Coverage
-
EV Charger
-
PTAL Rating
-
View Connectivity Map

Area Profile

Median EarningsLocal authority£45,172
Population Density-
Owner Occupied23%
Age Distribution
0-15 15%16-64 74%65+ 11%
View Area Profile

Schools Nearby

  • Dorothy Gardner Nursery School
    0.1 mi
    Report card2026

    Ofsted no longer awards a single overall grade.

  • Mary Paterson Nursery School
    0.2 mi
    Outstanding
  • The St Marylebone Church of England Bridge School
    0.2 mi
    -
  • St Luke's CofE Primary School
    0.2 mi
    OutstandingImproving

0 of 7 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All
  • 175 Portnall Road
    -
    £535k
    -
  • 151C Portnall Road
    -
    £627k
    -
  • 143B Portnall Road
    -
    £493k
    -
  • 153A Portnall Road
    -
    £685k
    -