Flat 24, Northumberland House, 237 Ballards Lane, London, N3 1LB

UPRN:200006836Flat/Maisonette2 bedsBuilt 1976-1982

LeaseholdCouncil Tax: -EPC: C (80)

Data freshness:Listing· freshPrice Paid· freshPlanning· 4mo agoEPC· 4mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· freshAmenities· 2mo agoArea· Census 2021

Flat 24, Northumberland House, 237 Ballards Lane, London, N3 1LB

HP Score

/ 100

Strong

Verdict

yesterday

Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Strong fundamentals; flood risk not assessed

Evidence

20 of 21 sources

Sale Estimate

£399,000

£379k - £419kHigh

Estimate

£399k

Range

£379k – £419k

Rent Estimate (pcm)

£1,600

£1k - £2k

Monthly

£1,600

Yield

5.12%

Verdict

Derived from HomePortfolio scores

Flat 24 earns an INVESTIGATE rating with HP Score 80/100. Investment score 78/100 reflects strong fundamentals. Crime intensity is low. Walkability is excellent (95/100). 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 NationsOfcom mobile coverageMarket 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

HP Score

80/ 100

Strong

Investment Score

78/ 100

High

Crime Score

29/ 100

Moderate

Walkability

95/ 100

Excellent

Transit & Bike

Transit 64Bike 66

Walk Score, out of 100

Opportunity

Not scored as an opportunity

We will not put a number on this one.

listing is 'Sold subject to contract' - sale already progressing, not an actionable opportunity

Withholding a score is deliberate. A number built on missing or stale inputs would look more certain than the evidence allows.

Economics

What happens to your money

Your assumptions

Purchase price£375,000

At the asking price

Monthly rent£1,600/mo

Evidenced range £1,450-£1,700

Interest rate5.4%

Loan to value75%

Cash required: £122,550
Net cash flow: -£158/mo
Cash on cash: -1.5%
Score at this price: -

After a 8% void allowance, 15% management and 10% maintenance. Lender coverage (rent ÷ interest): 1.26 - clears the usual 1.25 test. These are your assumptions, not evidence: only the pre-filled rent and price come from the record.

Risks

What could kill this deal

Score confidence is low
largely a single source - treat the number as a prompt, not a conclusion

Property risk deep-dive →flood, subsidence, crime, environment - the full domain

Plan

Before you offer

1. Commission a full structural survey, not a basic condition report.
The score prices market evidence, not the fabric of the building.

Every step above was generated from a specific gap or flag in the evidence - no generic advice, no invented tasks.

Valuation & Market

Sale Estimate£399,000

Rent Estimate (pcm)£1,600

Gross Yield5.12%

1y Growth+54.0%

3y Growth-1.9%

5y Growth-0.5%

10y Growth+0.6%

Last Sold Price£250,000 (2025-05-14)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseModerate

View Full Risk Report

Planning Activity

Recent Apps

0N3 1LB

Approval Rate

-12mo

Development

low

26/3987/CON
Submission of details of conditions 15 (Privacy Screens) and 19 (Pre-completion Sound Insulation Test Certificates) pursuant to planning permission 18/5276/FUL dated 25/02/19
Pending
26/3962/CON
Submission of details of condition 4 (Demolition and Construction Management and Logistics Plan) 9 (Part 1(a)) (Contaminated Land survey) pursuant to planning permission 23/4243/FUL dated 09/10/2024
Pending
26/3949/192
Roof extension involving hip to gable, rear dormer with juliette balcony with 4no. front facing rooflights
Pending

View Planning Timeline

Ownership

Corporate Ownership48.3%
Overseas OwnershipNo
Lease Term Remaining143 yrs
CovenantsRestrictive
Lease TypeLeasehold
Last Ownership Change2025-05-14
SourceLand Registry

View Ownership Details

Connectivity

Broadband (Standard)

15 Mbps

Mobile 4G/5G Coverage

EEThreeO2Vodafone

EV Charger

PTAL Rating

View Connectivity Map

Area Profile

Median EarningsLocal authority£39,239

Population Density-

Owner Occupied35%

Age Distribution

0-15 18%16-64 68%65+ 14%

View Area Profile

Schools Nearby

Moss Hall Junior School
0.1 mi
Report card2026
Ofsted no longer awards a single overall grade.
Moss Hall Infant School
0.1 mi
Good
Moss Hall Nursery School
0.1 mi
Report card2026
Ofsted no longer awards a single overall grade.
St Michael's Catholic Grammar School
0.4 mi
Outstanding

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

View All Schools

Comparables

View All

Northumberland House, 237 Ballards Lane
-
£412k
-
Northumberland House, 237 Ballards Lane
-
£415k
-
Northumberland House, 237 Ballards Lane
-
£250k
-
Northumberland House, 237 Ballards Lane
-
£370k
-

Boundary data not available for this property

No registered title polygon, building footprint, or street match for this property yet.

Why: No HMLR INSPIRE / OSM footprint / OS Open USRN match for this UPRN

Source: HM Land Registry INSPIRE / OpenStreetMap / OS Open USRN