Flat A, 3 Frognal, London, NW3 6AL

UPRN:5036373-Beds -Built -

Tenure: -Council Tax: Band EEPC: -

Data freshness:Listing· freshPlanning· 3mo agoOwnership· freshRisk· 5mo agoConnectivity· 1mo agoSchools· freshAmenities· 2mo agoArea· Census 2021Council Tax· 6mo ago

HP Score

/ 100

Strong

Verdict

2 days ago

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

Evidence

18 of 21 sources

Sale Estimate

£804,000

£643k - £964kLow

Estimate

£804k

Range

£643k – £964k

Rent Estimate (pcm)

-- - --

Verdict

Derived from HomePortfolio scores

Flat A earns an INVESTIGATE rating with HP Score 79/100. Investment score 64/100 reflects moderate fundamentals. Crime intensity is low. Walkability is excellent (96/100). 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

79/ 100

Strong

Investment Score

64/ 100

Moderate

Crime Score

30/ 100

Moderate

Walkability

96/ 100

Excellent

Transit & Bike

Transit 93Bike 72

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 & liquidity9.3/15
380 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. Fill the valuation edge gap before relying on the score.
estimate confidence LOW below scoring floor
2. Fill the rental economics gap before relying on the score.
no rent estimate available
3. Fill the stress margin gap before relying on the score.
no rent to stress
4. 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£804,000

Rent Estimate (pcm)-

Gross Yield-

1y Growth-

3y Growth-2.2%

5y Growth-0.4%

10y Growth+0.3%

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

1NW3 6AL

Approval Rate

0%12mo

Development

low

2026/4902/T
REAR GARDEN: 1 x Yew (T1) - Fell to ground level.
Pending
2026/4897/T
FRONT GARDEN: 1 x Pittosporum sp. (T1) - Fell to ground level. 1 x Fig (T2) - Fell to ground level.
Pending
2026/4873/T
REAR GARDEN: 1 x Ginkgo (T1) - Crown reduce height by 2m. Crown reduce spread by 1.5m. Crown thin by 10%.
Pending

View Planning Timeline