Flat B, 27 St John's Grove, London, N19 5RW

UPRN:5300085474-Beds -Built -

Tenure: -Council Tax: -EPC: -

Data freshness:Listing· freshPrice Paid· freshPlanning· 6mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· freshAmenities· 2mo agoArea· Census 2021

Flat B, 27 St John's Grove, London, N19 5RW

HP Score

/ 100

Mixed

Verdict

yesterday

Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.
Mixed signals - investigate

Evidence

18 of 21 sources

Sale Estimate

£629,000

£503k - £755kLow

Estimate

£629k

Range

£503k – £755k

Rent Estimate (pcm)

-- - --

Verdict

Derived from HomePortfolio scores

Flat B earns an INVESTIGATE rating with HP Score 64/100. Investment score 67/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (95/100). 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 SourcesPortal 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 covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

64/ 100

Mixed

Investment Score

67/ 100

Moderate

Crime Score

90/ 100

Elevated

Walkability

95/ 100

Excellent

Transit & Bike

Transit 79Bike 81

Walk Score, out of 100

Opportunity

Not scored as an opportunity

We will not put a number on this one.

headline score requires valuation_edge (estimate confidence LOW below scoring floor)
headline score requires rental_economics (no rent estimate available)

What we could establish

Risk & liquidity9.2/15
186 sales/12mo in area; valuation range width 40%
- 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 3 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
estimate confidence LOW below scoring floor
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.
estimate confidence LOW below scoring floor
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£629,000

Rent Estimate (pcm)-

Gross Yield-

1y Growth-37.0%

3y Growth+0.5%

5y Growth+1.3%

10y Growth+1.6%

Last Sold Price-

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseModerate

View Full Risk Report

Planning Activity

Recent Apps

1N19 5RW

Approval Rate

100%12mo

Development

low

2026/4887/T
DD 5 Day Notice REAR GARDEN: 1 x Mimosa (T1) - Fell to ground level.
Pending
P2026/2864/TRE
T1- Black Locust / False Acacia (Robinia pseudoacacia) Reduce the overall crown height by up to 2–3 metres and lateral crown spread by up to 1.5–2 metres, subject to the availability of suitable pruning points. All pruning shall be undertaken in accordance with BS 3998:2010, Section 7.7. Pruning cuts shall be made to suitable lateral branches, retaining the natural form and characteristic shape of the species.
Pending
P2026/2860/TRE
Pear - Crown reduce the height approx. 30cm below the previous reduction points (approx. 1.0m) Crown reduce the spread to balance and shape (approx. 0.5m) Apple - Crown reduce the height approx. 30cm below the previous reduction points (approx. 1.0m) Crown reduce the spread to balance and shape (approx. 0.5m) Pear - Crown reduce the height approx. 30-40cm below the previous reduction points (approx. 1.8m) Crown reduce the spread to balance and shape (approx. 1.0m) Maintenance works in line with good arboricultural practice
Pending

View Planning Timeline

Ownership

Corporate Ownership65.3%
Overseas OwnershipNo
Lease Term Remaining-
CovenantsRestrictive
Lease Type-
Last Ownership Change-
SourceLand Registry

View Ownership Details

Connectivity

Broadband (Standard)

14 Mbps

Mobile 4G/5G Coverage

EEThreeO2Vodafone

EV Charger

PTAL Rating

View Connectivity Map

Area Profile

Median EarningsLocal authority£47,411

Population Density11,989 /km²

Owner Occupied21%

Age Distribution

0-15 14%16-64 77%65+ 9%

View Area Profile

Schools Nearby

St John's Upper Holloway CofE Primary School
0.1 mi
Report card2026
Ofsted no longer awards a single overall grade.
Hargrave Park School
0.2 mi
Good
Yerbury Primary School
0.3 mi
Outstanding
Brookfield Primary School
0.4 mi
Good

5 of 12 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All

19 St Johns Grove
-
£420k
-
7 St Johns Grove
-
£378k
-
13 St Johns Grove
-
£450k
-
13 St Johns Grove
-
£840k
-

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