Flat 6, Blackthorn House, 21 Bloomsbury Avenue, London, N14 4FS

UPRN:207027223-Beds -Built 2021

Tenure: -Council Tax: Band CEPC: B (86)

Data freshness:Listing· freshPlanning· 4mo agoEPC· 6mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· 1mo agoAmenities· 2mo agoArea· Census 2021Council Tax· 5mo ago

Flat 6, Blackthorn House, 21 Bloomsbury Avenue, London, N14 4FS

HP Score

/ 100

Strong

Verdict

3 days ago

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

Evidence

15 of 21 sources

Sale Estimate

-- - --

Rent Estimate (pcm)

-- - --

Verdict

Derived from HomePortfolio scores

Flat 6 earns an INVESTIGATE rating with HP Score 82/100. Crime intensity is low. 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 listingsHM 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)ONS Census 2021Police.ukHM Land Registry company ownershipHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

82/ 100

Strong

Investment Score

No data

Crime Score

29/ 100

Moderate

Walkability

No data

Transit & Bike

No data

Opportunity

Not scored as an opportunity

We will not put a number on this one.

headline score requires valuation_edge (no market estimate available)
headline score requires rental_economics (no rent estimate available)

What we could establish

Risk & liquidity9/15
171 sales/12mo in area
- property_intelligencetransactions_12mo

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

Evidence

Where every number comes from

portal_listingsprice_changes + first_published_dateSeller motivation · as of 2 Nov 2026
property_intelligencetransactions_12moRisk & liquidity

Sold comparables in depth Valuation methodology

Risks

What could kill this deal

Score confidence is low
largely a single source - treat the number as a prompt, not a conclusion
Valuation edge could not be scored
no market estimate available
Rental economics could not be scored
no rent estimate available

Plan

Before you offer

1. Ask the agent why the price was reduced and whether a previous sale fell through.
1 price cut(s) recorded on the listing history.
2. Fill the valuation edge gap before relying on the score.
no market estimate available
3. Fill the rental economics gap before relying on the score.
no rent estimate available
4. Fill the stress margin gap before relying on the score.
no rent to stress

Valuation & Market

Sale Estimate-

Rent Estimate (pcm)-

Gross Yield-

1y Growth-

3y Growth+2.0%

5y Growth+1.2%

10y Growth+2.2%

Last Sold Price£370,000 (2023-12-12)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseLow

View Full Risk Report

Planning Activity

Recent Apps

0N14 4FS

Approval Rate

-12mo

Development

low

26/04585/HOU
Installation of air source heat pump to rear elevation.
Pending
26/3913/HSE
Single storey rear extension following demolition of the existing extension and conservatory
Pending
26/3897/HSE
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
Pending

View Planning Timeline

Ownership

Corporate Ownership38%
Overseas OwnershipNo
Lease Term Remaining999+ yrs
CovenantsNone
Lease Type-
Last Ownership Change2023-12-12
SourceLand Registry

View Ownership Details

Connectivity

Broadband (-)

Mobile 4G/5G Coverage

EV Charger

PTAL Rating

View Connectivity Map

Area Profile

Median EarningsLocal authority£34,962

Population Density8,636 /km²

Owner Occupied51%

Age Distribution

0-15 21%16-64 59%65+ 20%

View Area Profile

Schools Nearby

Salcombe Preparatory School
0.2 mi
Inspected by ISI
De Bohun Primary School
0.3 mi
Inspected as De Bohun Primary School (URN 102022) on 30 Jan 2020
Vita Et Pax School
0.3 mi
Inspected by ISI
Oaktree School
0.4 mi
Good

3 of 11 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All

Blackthorn House, 21 Bloomsbury Avenue
-
£450k
-
Blackthorn House, 21 Bloomsbury Avenue
-
£450k
-
Blackthorn House, 21 Bloomsbury Avenue
-
£475k
-
Blackthorn House, 21 Bloomsbury Avenue
-
£512k
-

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