Skip to property details

Fourth Floor Flat 5, Bostock House, 97–99 Park Street, London, W1K 7HA

UPRN:10033540831Flat/Maisonette3 bedsBuilt -
LeaseholdCouncil Tax: Band HEPC: -
Data freshness:Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:50:13.922597+00:00)Ownership· freshOwnership: fresh, refreshed today (2026-11-10T17:23:30.251928+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· 2mo agoAmenities: ageing, refreshed 2mo ago (2026-09-23T00:00:00+00:00)Area· Census 2021Area: static reference data (Census 2021); authoritative and does not refresh
Fourth Floor Flat 5, Bostock House, 97–99 Park Street, London, W1K 7HA

HP Score

Mixed
Verdict
today
  • Verdict: INVESTIGATE, on a scale of Buy, Investigate, Avoid.

    Mixed signals - investigate

Evidence
17 of 21 sources
Sale Estimate
£4,648,000
£3.72M - £5.58MLow
Estimate
£4.65M
Range
£3.72M – £5.58M
Rent Estimate (pcm)
£20,350
£19k - £22k
Monthly
£20,350
Yield
5.25%

Verdict

Derived from HomePortfolio scores

Fourth Floor Flat 5 earns an INVESTIGATE rating with HP Score 59/100. Investment score 57/100 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. Tenure is leasehold. Every figure here comes from the live HomePortfolio API; anything it does not publish is left out.

Key SourcesPortal listingsOfcom Connected NationsMarket 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
59/ 100
Mixed
Investment Score
57/ 100
Moderate
Crime Score
100/ 100
Elevated
Walkability
95/ 100
Excellent
Transit & Bike
Transit 75Bike 74
Walk Score, out of 100

Valuation & Market

Sale Estimate£4,648,000
Rent Estimate (pcm)£20,350
Gross Yield5.25%
1y Growth-
3y Growth-7.1%
5y Growth+2.9%
10y Growth-0.5%
Last Sold Price£4,400,000 (2021-03-25)

Risk Overview

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

Planning Activity

Recent Apps
0W1K 7HA
Approval Rate
-12mo
Development
low
  • 26/07410/FULL
    Alterations to the existing basement to Level 06, and an extension of the existing building to provide an additional floor of new office (Class E(g)(i)) floorspace, including a new roof level terrace and plant room; public realm and associated works.
    Pending
  • 26/07417/ADFULL
    Details of a Landscape and Ecology Management Plan pursuant to Condition 16 of planning permission dated 28 March 2025 (RN: 24/06335/FULL).
    Pending
  • 26/07409/LBC
    Provision of internally illuminated temporary Christmas decoration to front facade at ground floor level between 18th December 2026 and 9th January 2027 (Linked to 26/07429/ADV)
    Pending

Ownership

  • Corporate Ownership7.1%
  • Overseas OwnershipNo
  • Lease Term Remaining-
  • CovenantsNone
  • Lease TypeLeasehold
  • Last Ownership Change2021-03-25
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£45,172
Population Density5,283 /km²
Owner Occupied31%
Age Distribution
0-15 9%16-64 73%65+ 18%

Schools Nearby

  • Connaught House School
    0.3 mi
    Inspected by ISI
  • Halcyon London International School
    0.3 mi
    Inspected by ISI
  • Wetherby Preparatory School
    0.3 mi
    Inspected by ISI
  • Sylvia Young Theatre School
    0.4 mi
    Inspected by ISI

4 of 6 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • 97 - 99 Park Street
    -
    £7.25M
    -
  • 97 - 99 Park Street
    -
    £1.55M
    -
  • 97 - 99 Park Street
    -
    £4.40M
    -
  • 97 - 99 Park Street
    -
    £1.65M
    -