21 Harrington Square, London, NW1 2JJ

UPRN:5199927-Beds -Built 1900-1929

Tenure: -Council Tax: Band GEPC: C (72)

Data freshness:Listing· 8mo agoPrice Paid· freshPlanning· 4mo agoEPC· 6mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· 1mo agoAmenities· 1mo agoArea· Census 2021Council Tax· 4mo ago

HP Score

/ 100

Mixed

Verdict

today

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

Evidence

19 of 21 sources

Sale Estimate

£1,881,000

£1.50M - £2.26MLow

Estimate

£1.88M

Range

£1.50M – £2.26M

Rent Estimate (pcm)

-- - --

Verdict

Derived from HomePortfolio scores

21 Harrington Square earns an INVESTIGATE rating with HP Score 62/100. Investment score 67/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (98/100). 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 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

62/ 100

Mixed

Investment Score

67/ 100

Moderate

100

Crime Score

100/ 100

Elevated

Walkability

98/ 100

Excellent

Transit & Bike

Transit 100Bike 76

Walk Score, out of 100

Valuation & Market

Sale Estimate£1,881,000

Rent Estimate (pcm)-

Gross Yield-

1y Growth-

3y Growth-9.6%

5y Growth-2.1%

10y Growth-0.7%

Last Sold Price£2,100,000 (2019-04-26)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseModerate

View Full Risk Report

Planning Activity

Recent Apps

0NW1 2JJ

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
2026/4785/P
Non-material amendments to the wording of conditions 10 (operational management plan), 11 (mechanical ventilation), 23 (basement construction), 34 (SUDS/drainage), 42 (waste streams), 43 (circular economy), 49 (archaeological investigations), 52 (land contamination), 55 (internal sound insulation), 64 (landscaping details), 65 (landscape works) of planning permission ref. 2025/4364/P dated 21st July 2026 for residential-led mixed-use development.
Pending
2026/4776/P
Installation of mechanical plant (1 x gas cooler, 3 x A/C units) on first floor level of roof onto service alley
Pending

View Planning Timeline