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23 Dolphin House, 140 Windmill Road, Sunbury-on-Thames, TW16 7FH

UPRN:33052295Flat/Maisonette1 bedsBuilt -
FreeholdCouncil Tax: -EPC: C (72)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T13:16:11.552343+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T09:58:28.328746+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· 2mo agoSchools: ageing, refreshed 2mo ago (2026-09-06T16:32:37.982054+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
23 Dolphin House, 140 Windmill Road, Sunbury-on-Thames, TW16 7FH

HP Score

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

    Strong fundamentals; flood risk not assessed

Evidence
15 of 21 sources
Sale Estimate
£226,000
£181k - £272kLow
Estimate
£226k
Range
£181k – £272k
Rent Estimate (pcm)
£1,100
£1k - £1k
Monthly
£1,100
Yield
5.84%

Verdict

Derived from HomePortfolio scores

23 Dolphin House earns an INVESTIGATE rating with HP Score 75/100. Investment score 67/100 reflects moderate fundamentals. Crime intensity is low. Walkability is limited (68/100). 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)Defra 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.ukPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
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HP Score
75/ 100
Strong
Investment Score
67/ 100
Moderate
Crime Score
28/ 100
Moderate
Walkability
68/ 100
Moderate
Transit & Bike
Transit 10Bike 40
Walk Score, out of 100

Valuation & Market

Sale Estimate£226,000
Rent Estimate (pcm)£1,100
Gross Yield5.84%
1y Growth-
3y Growth+0.0%
5y Growth+0.9%
10y Growth+1.5%
Last Sold Price-
View Market Details

Risk Overview

  • Flood RiskUnknown
  • SubsidenceModerate
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseModerate
View Full Risk Report

Planning Activity

Recent Apps
0TW16 7FH
Approval Rate
-12mo
Development
low
  • 26/01120/CPD
    Certificate of Lawfulness for the proposed development for a rear facing dormer
    Pending
  • 26/01070/HOU
    Replace existing conservatory roof
    Pending
  • 26/01038/HOU
    Ground floor infill extension, first floor front extension, first floor rear extension and loft conversion with dormers
    Pending
View Planning Timeline

Ownership

  • Corporate Ownership60.7%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsNone
  • Lease TypeFreehold
  • Last Ownership Change-
  • SourceLand Registry
View Ownership Details

Connectivity

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

Area Profile

Median EarningsLocal authority£37,918
Population Density-
Owner Occupied51%
Age Distribution
0-15 22%16-64 70%65+ 8%
View Area Profile

Schools Nearby

  • Great Oaks Charitable Trust T/A Great Oaks College
    0.1 mi
    -
  • Springfield Primary School
    0.4 mi
    Good
  • The Bishop Wand Church of England School
    0.5 mi
    Report card2026

    Ofsted no longer awards a single overall grade.

  • Sunbury Manor School
    0.5 mi

    Inspected as Sunbury Manor School (URN 136529) on 30 Apr 2024

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

View All Schools

Comparables

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