Skip to property details

Flat 3, 3 Trematon Walk, London, N1 9FN

UPRN:10090549166Flat/Maisonette2 bedsBuilt 2007-2011
FreeholdCouncil Tax: Band EEPC: B (81)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 4d ago (2026-11-01T09:10:15.027652+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T09:44:24.086728+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 3, 3 Trematon Walk, London, N1 9FN
Location map - no listing photos available

HP Score

Mixed
Verdict
today
  • Verdict: AVOID, on a scale of Buy, Investigate, Avoid.

    Significant risk factors

Evidence
18 of 21 sources
Sale Estimate
£836,000
£753k - £920kMedium
Estimate
£836k
Range
£753k – £920k
Rent Estimate (pcm)
£4,200
£4k - £5k
Monthly
£4,200
Yield
5.60%

Verdict

Derived from HomePortfolio scores

Flat 3 earns an AVOID rating with HP Score 63/100. Investment score 70/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (99/100). 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.ukHM Land Registry company ownershipHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
63/ 100
Mixed
Investment Score
70/ 100
Moderate
Crime Score
100/ 100
Elevated
Walkability
99/ 100
Excellent
Transit & Bike
Transit 100Bike 76
Walk Score, out of 100

Valuation & Market

Sale Estimate£836,000
Rent Estimate (pcm)£4,200
Gross Yield5.60%
1y Growth-
3y Growth-1.3%
5y Growth-0.6%
10y Growth+0.5%
Last Sold Price-

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseHigh

Planning Activity

Recent Apps
0N1 9FN
Approval Rate
-12mo
Development
low
  • 2026/4793/P
    Details pursuant to condition 3 (Crossrail 2 Infrastructure), Part 4 (Substructure elements associated with TfL areas) of planning permission 2022/1041/P dated 17/07/2024 (for Demolition of the British Library Centre for Conservation, alterations to the British Library and erection of a new building)
    Pending
  • 2026/4781/P
    Request for scoping opinion under Regulation 15 of the Town and Country Planning Environmental Impact Assessment (EIA) Regulations 2017, for phased mixed use development including demolition of 1 Eversholt Street and its podium, the piazza and Ampthill Square Estate Community Building (Barnby Street); the erection of buildings (some with basements) to deliver up to: approx. 365,000m2 Gross External Area (GEA) residential uses (Classes C1, C2, C3 and Sui Generis); approx. 590,000m2 GEA of commercial, business and service uses (Class E and Sui Generis), approx. 95,000m2 GEA of leisure, culture and education (including entertainment use) (Classes F1 and Sui Generis); approx. 15,000m2 GEA of community and social infrastructure (Classes F2 and Sui Generis); and approx. 60,000 GEA of Residential Institution floorspace (medical uses) (Use Class C2). Some of the preceding uses will not be built out to their full parameter limits with the total quantum of development capped to not exceed 650,000m2 GEA.
    Pending
  • P2026/2811/TRE
    Cherry (T1) - reduce crown by 1m on all aspects. To restrict root growth.
    Pending

Ownership

  • Corporate Ownership43.2%
  • Overseas OwnershipNo
  • Lease Term Remaining1 yrs
  • CovenantsNone
  • Lease TypeFreehold
  • Last Ownership Change-
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£47,411
Population Density13,401 /km²
Owner Occupied21%
Age Distribution
0-15 11%16-64 80%65+ 9%

Schools Nearby

  • Kate Greenaway Nursery School and Children's Centre
    0.2 mi
    -
  • New River College Medical
    0.2 mi
    Report card2026

    Ofsted no longer awards a single overall grade.

  • Winton Primary School
    0.3 mi
    OutstandingImproving
  • Kings Cross Academy
    0.3 mi
    Good

1 of 10 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • Trematon Building, 1 Trematon Walk
    -
    £485k
    -
  • Trematon Building, 1 Trematon Walk
    -
    £625k
    -
  • Trematon Building, 1 Trematon Walk
    -
    £215k
    -
  • Trematon Building, 1 Trematon Walk
    -
    £555k
    -