Flat 1704, Main Sail House, 1 Mast Quay, London, SE18 5BB
UPRN:10010270028Flat/Maisonette2 bedsBuilt -
Tenure: -Council Tax: Band DEPC: -
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 5d ago (2026-11-01T06:55:31.122131+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:38:52.710693+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 refresh
HP Score
70
/ 100
Mixed
Verdict
5 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
14 of 21 sourcesSale Estimate
£400,000
£360k - £440kMedium
Estimate
£400k
Range
£360k – £440k
Rent Estimate (pcm)
£2,100
£2k - £2k
Monthly
£2,100
Yield
6.30%
Verdict
Derived from HomePortfolio scores
Flat 1704 earns an INVESTIGATE rating with HP Score 70/100. Investment score 62/100 reflects moderate fundamentals. Crime intensity is moderate. Walkability is good (84/100). 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 SourcesPortal 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
70
HP Score
70/ 100
Mixed
62
Investment Score
62/ 100
Moderate
48
Crime Score
48/ 100
Elevated
84
Walkability
84/ 100
High
Transit & Bike
Transit 54Bike 68
Walk Score, out of 100
Valuation & Market
Sale Estimate£400,000
Rent Estimate (pcm)£2,100
Gross Yield6.30%
1y Growth-
3y Growth+0.3%
5y Growth+0.7%
10y Growth+2.3%
Last Sold Price-
Risk Overview
- Flood RiskUnknown
- SubsidenceSignificant
- RadonLow
- MiningModerate
- LandslideLow
- Air QualityLow
- NoiseModerate
Planning Activity
Recent Apps
0SE18 5BB
Approval Rate
-12mo
Development
low
- Pending26/3107/CPCertificate of Lawfulness (Proposed) is sought for the use of the ground floor of 71-77 Powis Street, Woolwich for indoor sport, recreation and fitness on a 24 hour basis falling within Use Class E(d)
- Pending26/3082/PN2Prior Approval is sought for the change of use of the first and second floor commercial premises (Class E) to provide two residential flats (Class C3).The commercial unit on the ground floor will be retained. .
- Pending26/3024/PN2Prior Notification is sought for the conversion of the existing commercial (Class E) floorspace, partially at first floor level and second floor level, into 11 self-contained residential units.
Ownership
- Corporate Ownership59.4%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsNone
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (Standard)
16 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
Area Profile
Median EarningsLocal authority£39,984
Population Density-
Owner Occupied17%
Age Distribution
0-15 24%16-64 70%65+ 6%
Schools Nearby
- Saint Mary Magdalene Church of England All Through School0.3 miGood
- Cardwell Primary School0.4 miArea grades2024
Inspected after Ofsted withdrew the single overall grade.
- Mulgrave Primary School0.4 miGoodImproving
- New Directions0.5 miGood
2 of 11 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.