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Flat 4, Sonny Heights West, 1 Swain's Lane, London, N6 6AG

UPRN:5196064Flat/Maisonette2 bedsBuilt -
LeaseholdCouncil Tax: Band FEPC: B (86)
Data freshness:Listing· 8mo agoListing: stale, refreshed 8mo ago (2026-03-19T13:52:17.943725+00:00)Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T14:03:07.751191+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:40:13.157833+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· 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 refreshCouncil Tax· 6mo agoCouncil Tax: stale, refreshed 6mo ago (2026-05-20T09:33:12.870431+00:00)
Flat 4, Sonny Heights West, 1 Swain's Lane, London, N6 6AG

HP Score

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

    Strong fundamentals; flood risk not assessed

Evidence
19 of 21 sources
Sale Estimate
£942,000
£848k - £1.04MMedium
Estimate
£942k
Range
£848k – £1.04M
Rent Estimate (pcm)
£3,300
£3k - £4k
Monthly
£3,300
Yield
4.20%

Verdict

Derived from HomePortfolio scores

Flat 4 earns an INVESTIGATE rating with HP Score 81/100. Investment score 69/100 reflects moderate fundamentals. Crime intensity is low. Walkability is excellent (86/100). 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 SourcesEPC RegisterPortal 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
81/ 100
Strong
Investment Score
69/ 100
Moderate
Crime Score
22/ 100
Moderate
Walkability
86/ 100
Excellent
Transit & Bike
Transit 38Bike 78
Walk Score, out of 100

Valuation & Market

Sale Estimate£942,000
Rent Estimate (pcm)£3,300
Gross Yield4.20%
1y Growth-
3y Growth-4.4%
5y Growth-2.5%
10y Growth-0.7%
Last Sold Price£521,000 (2020-05-21)
View Market Details

Risk Overview

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

Planning Activity

Recent Apps
0N6 6AG
Approval Rate
-12mo
Development
low
  • 2026/4821/T
    EAST CEMETERY: 1 x Elm (T1) - Fell to ground level.
    Pending
  • 2026/4815/T
    WEST CEMETERY: 1 x Cherry tree (Prunus) (T052) - Fell to ground level.
    Pending
  • 2026/4797/T
    FRONT GARDEN: 1 x Hazel (T3) - Reduce lateral and sub lateral growth overhanging No.22 by approx. 1m to help clear the Amelanchier and control encroachment.
    Pending
View Planning Timeline

Ownership

  • Corporate Ownership58.5%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsRestrictive
  • Lease TypeLeasehold
  • Last Ownership Change2020-05-21
  • 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£44,088
Population Density-
Owner Occupied63%
Age Distribution
0-15 15%16-64 62%65+ 23%
View Area Profile

Schools Nearby

  • La Sainte Union Catholic Secondary School
    0.2 mi
    Area grades2024

    Inspected after Ofsted withdrew the single overall grade.

  • William Ellis School
    0.3 mi
    Area grades2024

    Inspected after Ofsted withdrew the single overall grade.

  • Parliament Hill School
    0.3 mi
    OutstandingImproving
  • Brookfield Primary School
    0.3 mi
    Good

4 of 9 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All
  • Sonny Heights West, 1 Swains Lane
    -
    £1.18M
    -
  • Sonny Heights West, 1 Swains Lane
    -
    £4.35M
    -
  • Sonny Heights West, 1 Swains Lane
    -
    £4.35M
    -
  • Sonny Heights West, 1 Swains Lane
    -
    £65k
    -