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Flat 1, Duchess House, 18–19 Warren Street, London, W1T 5LR

UPRN:5167039Flat/Maisonette1 bedsBuilt 1983-1990
LeaseholdCouncil Tax: Band DEPC: B (81)
Data freshness:Listing· 3mo agoListing: stale, refreshed 3mo ago (2026-07-24T04:00:02.713111+00:00)Price Paid· freshPrice Paid: fresh, refreshed 3d ago (2026-11-01T14:03:07.751191+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T09:59:00.309604+00:00)EPC· 6mo agoEPC: stale, refreshed 6mo ago (2026-05-20T10:58:39.129138+00:00)Risk· 5mo agoRisk: stale, refreshed 5mo ago (2026-06-18T00:00:00+00:00)Connectivity· 1mo agoConnectivity: ageing, refreshed 1mo ago (2026-10-03T06:43:10.905825+00:00)Schools· 1mo agoSchools: ageing, refreshed 1mo ago (2026-10-06T08:24:30.427161+00:00)Amenities· 1mo agoAmenities: ageing, refreshed 1mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refreshCouncil Tax· 6mo agoCouncil Tax: stale, refreshed 6mo ago (2026-05-20T09:33:12.870431+00:00)
Flat 1, Duchess House, 18–19 Warren Street, London, W1T 5LR

HP Score

Mixed
Verdict
3 days ago
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Mixed signals - investigate

Evidence
19 of 21 sources
Sale Estimate
£707,000
£636k - £777kMedium
Estimate
£707k
Range
£636k – £777k
Rent Estimate (pcm)
£2,800
£3k - £3k
Monthly
£2,800
Yield
4.75%

Verdict

Derived from HomePortfolio scores

Flat 1 earns an INVESTIGATE rating with HP Score 64/100. Investment score 70/100 reflects moderate fundamentals. Crime intensity is elevated. Walkability is excellent (99/100). 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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
64/ 100
Mixed
Investment Score
70/ 100
Moderate
Crime Score
100/ 100
Elevated
Walkability
99/ 100
Excellent
Transit & Bike
Transit 100Bike 74
Walk Score, out of 100

Valuation & Market

Sale Estimate£707,000
Rent Estimate (pcm)£2,800
Gross Yield4.75%
1y Growth-
3y Growth-9.5%
5y Growth-5.7%
10y Growth-3.9%
Last Sold Price£607,000 (2012-09-21)

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseModerate

Planning Activity

Recent Apps
0W1T 5LR
Approval Rate
-12mo
Development
low
  • 2026/4584/L
    Internal alterations and refurbishments, including reconfigured bathrooms, alterations to partitions and doors, and reinstatement of traditional cornices and joinery.
    Pending
  • 2026/4773/L
    Internal refurbishment and reconfiguration of wings 1.3 and 1.4; associated works on the first, second and third floors to improve the laboratory environments and associated spaces; and relocation of the partitions in the central stairwell.
    Approved
  • 2026/4781/P
    Request for scoping opinion under Regulation 15 of the Town and Country Planning Environmental Impact Assessment (EIA) Regulations 2017, for phased mixed use development including demolition of 1 Eversholt Street and its podium, the piazza and Ampthill Square Estate Community Building (Barnby Street); the erection of buildings (some with basements) to deliver up to: approx. 365,000m2 Gross External Area (GEA) residential uses (Classes C1, C2, C3 and Sui Generis); approx. 590,000m2 GEA of commercial, business and service uses (Class E and Sui Generis), approx. 95,000m2 GEA of leisure, culture and education (including entertainment use) (Classes F1 and Sui Generis); approx. 15,000m2 GEA of community and social infrastructure (Classes F2 and Sui Generis); and approx. 60,000 GEA of Residential Institution floorspace (medical uses) (Use Class C2). Some of the preceding uses will not be built out to their full parameter limits with the total quantum of development capped to not exceed 650,000m2 GEA.
    Pending

Ownership

  • Corporate Ownership26.8%
  • Overseas OwnershipNo
  • Lease Term Remaining999+ yrs
  • CovenantsNone
  • Lease TypeLeasehold
  • Last Ownership Change2012-09-21
  • SourceLand Registry

Connectivity

Broadband (Standard)
18 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-

Area Profile

Median EarningsLocal authority£44,088
Population Density11,078 /km²
Owner Occupied25%
Age Distribution
0-15 11%16-64 83%65+ 6%

Schools Nearby

  • Netley Primary School
    0.2 mi
    Good
  • Camden Primary Pupil Referral Unit
    0.2 mi
    Good
  • Southbank International School Westminster
    0.3 mi
    Inspected by ISI
  • University College London
    0.3 mi
    -

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

Comparables

View All
  • Duchess House, 18 - 19 Warren Street
    -
    £615k
    -
  • Duchess House, 18 - 19 Warren Street
    -
    £350k
    -
  • Duchess House, 18 - 19 Warren Street
    -
    £1.25M
    -
  • Duchess House, 18 - 19 Warren Street
    -
    £910k
    -