Flat 601, Sky Sail House, 4 Mast Quay, London, SE18 5BG
UPRN:10010270102Flat/Maisonette2 bedsBuilt 2023
Tenure: -Council Tax: Band DEPC: B (86)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 5d ago (2026-11-01T06:55:31.122131+00:00)Planning· 2mo agoPlanning: ageing, refreshed 2mo ago (2026-08-28T13:29:33.280692+00:00)EPC· freshEPC: fresh, refreshed 5d ago (2026-11-01T05:51:37.340130+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
HP Score
73
/ 100
Mixed
Verdict
5 days ago
- Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate
Evidence
15 of 21 sourcesSale Estimate
£387,000
£348k - £425kMedium
Estimate
£387k
Range
£348k – £425k
Rent Estimate (pcm)
£2,000
£2k - £2k
Monthly
£2,000
Yield
6.20%
Verdict
Derived from HomePortfolio scores
Flat 601 earns an INVESTIGATE rating with HP Score 73/100. Investment score 72/100 reflects strong 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 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
73
HP Score
73/ 100
Mixed
72
Investment Score
72/ 100
High
48
Crime Score
48/ 100
Elevated
84
Walkability
84/ 100
High
Transit & Bike
Transit 55Bike 68
Walk Score, out of 100
Valuation & Market
Sale Estimate£387,000
Rent Estimate (pcm)£2,000
Gross Yield6.20%
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
4SE18 5BG
Approval Rate
100%12mo
Development
low
- 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.
- Pending26/2874/ASignage to high level of front elevation of former Court Building now operating as a religious building. Traditional flat cut letters from aluminium composite and logo spaced off of building with overhead trough light illumination.
Ownership
- Corporate Ownership59.4%
- Overseas OwnershipNo
- Lease Term Remaining-
- CovenantsNone
- Lease Type-
- Last Ownership Change-
- SourceLand Registry
Connectivity
Broadband (Standard)
23 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 School0.3 miArea grades2024
Inspected after Ofsted withdrew the single overall grade.
- Mulgrave Primary School0.4 miGoodImproving
- Woodhill Primary School0.5 miGoodImproving
2 of 11 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.