Flat 404, Harrison House, 1 Martineau Square, London, E1 1BF
UPRN:6172606Flat/MaisonetteBeds -Built 1983-1990
Tenure: -Council Tax: Band EEPC: C (78)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 3d ago (2026-11-01T14:08:46.279511+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:59:34.165663+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)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
HP Score
78
/ 100
Strong
Verdict
3 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed
Evidence
18 of 21 sourcesSale Estimate
£378,000
£341k - £416kMedium
Estimate
£378k
Range
£341k – £416k
Rent Estimate (pcm)
£1,900
£2k - £2k
Monthly
£1,900
Yield
6.03%
Verdict
Derived from HomePortfolio scores
Flat 404 earns an INVESTIGATE rating with HP Score 78/100. Investment score 71/100 reflects strong fundamentals. Crime intensity is low. Walkability is excellent (97/100). Flood risk is not assessed: check the Environment Agency long-term flood map before offering. 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.ukHM Land Registry covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
78
HP Score
78/ 100
Strong
71
Investment Score
71/ 100
High
34
Crime Score
34/ 100
Moderate
97
Walkability
97/ 100
Excellent
Transit & Bike
Transit 72Bike 75
Walk Score, out of 100
Valuation & Market
Sale Estimate£378,000
Rent Estimate (pcm)£1,900
Gross Yield6.03%
1y Growth-
3y Growth-5.2%
5y Growth-2.1%
10y Growth-1.1%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningUnknown
- LandslideLow
- Air QualityLow
- NoiseModerate
Planning Activity
Recent Apps
0E1 1BF
Approval Rate
-12mo
Development
low
- PendingPA/26/01810/SSubmission of details pursuant to condition no.53 (External Lighting) in relation to Building G of planning permission ref: PA/19/00764, dated 20/11/2019
- Pending26/01525/MDCSubmission of Blue and Green Roof details pursuant to condition 26 of planning permission 22/00882/FULMAJ dated 27.06.2023.
- Pending26/01515/MDCSubmission of Noise Assessment pursuant to Condition 10 of planning permission 25/01506/FULL dated 29.01.2026.
Ownership
- Corporate Ownership30.1%
- Overseas OwnershipNo
- Lease Term Remaining108 yrs
- CovenantsRestrictive
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (Standard)
18 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£45,183
Population Density27,906 /km²
Owner Occupied18%
Age Distribution
0-15 21%16-64 73%65+ 6%
Schools Nearby
- Harry Gosling Primary School0.1 miGood
- Buttercup Primary School0.2 miRequires improvement
- London Enterprise Academy0.2 miArea grades2024
Inspected after Ofsted withdrew the single overall grade.
- St Paul's Whitechapel Church of England Primary School0.2 miGood
2 of 9 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.
Comparables
- Harrison House, 1 Martineau Square-£405k-
- Harrison House, 1 Martineau Square-£395k-
- Harrison House, 1 Martineau Square-£460k-
- Harrison House, 1 Martineau Square-£590k-