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Flat 15, 23 Upper Tachbrook Street, London, SW1V 1SN

UPRN:10033577609Purpose Built Flat1 bedsBuilt 2003-2006
LeaseholdCouncil Tax: Band DEPC: C (75)
Data freshness:Listing· freshListing: fresh, refreshed 2d ago (2026-11-05T04:00:06.311246+00:00)Price Paid· freshPrice Paid: fresh, refreshed 6d ago (2026-11-01T08:46:36.773860+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:09:10.767834+00:00)EPC· 4mo agoEPC: stale, refreshed 4mo ago (2026-07-01T02:04:50.057738+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· freshSchools: fresh, refreshed 2d ago (2026-11-05T17:42:09.721250+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
Flat 15, 23 Upper Tachbrook Street, London, SW1V 1SN

HP Score

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

    Mixed signals - investigate

Evidence
18 of 21 sources
Sale Estimate
£546,000
£437k - £656kLow
Estimate
£546k
Range
£437k – £656k
Rent Estimate (pcm)
£2,650
£2k - £3k
Monthly
£2,650
Yield
5.82%

Verdict

Derived from HomePortfolio scores

Flat 15 earns an INVESTIGATE rating with HP Score 64/100. Investment score 67/100 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)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 leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
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HP Score
64/ 100
Mixed
Investment Score
67/ 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£546,000
Rent Estimate (pcm)£2,650
Gross Yield5.82%
1y Growth-
3y Growth-3.3%
5y Growth-3.8%
10y Growth-1.8%
Last Sold Price-
View Market Details

Risk Overview

  • Flood RiskUnknown
  • SubsidenceSignificant
  • RadonLow
  • MiningUnknown
  • LandslideLow
  • Air QualityLow
  • NoiseHigh
View Full Risk Report

Planning Activity

Recent Apps
0SW1V 1SN
Approval Rate
-12mo
Development
low
  • 26/07404/LBC
    Refurbishment and enhancement of the building to facilitate its continued use as offices with ancillary residential accommodation, together with associated conservation, restoration, accessibility improvements, building services upgrades, landscaping and ancillary works. Internal and external alterations associated with the repair. (Linked with 26/07403/FULL)
    Pending
  • 26/07411/ADFULL
    Details of air quality assessment pursuant to Condition 2 of planning permission dated 1 August 2025 (RN: 25/04054/FULL).
    Pending
  • 26/07413/LBC
    Installation of new fibre optic cable and associated equipment within the basement.
    Pending
View Planning Timeline

Ownership

  • Corporate Ownership42.4%
  • Overseas OwnershipNo
  • Lease Term Remaining133 yrs
  • CovenantsNone
  • Lease TypeLeasehold
  • Last Ownership Change-
  • SourceLand Registry
View Ownership Details

Connectivity

Broadband (Standard)
15 Mbps
Mobile 4G/5G Coverage
EEThreeO2Vodafone
EV Charger
-
PTAL Rating
-
View Connectivity Map

Area Profile

Median EarningsLocal authority£45,172
Population Density-
Owner Occupied33%
Age Distribution
0-15 11%16-64 78%65+ 11%
View Area Profile

Schools Nearby

  • Eaton Square Prep School
    0.1 mi
    Inspected by ISI
  • St Vincent De Paul Catholic Primary School
    0.2 mi

    Inspected as St Vincent De Paul Catholic Primary School (URN 101144) on 4 Mar 2025

  • Westminster Cathedral Choir School
    0.2 mi
    Inspected by ISI
  • Burdett-Coutts and Townshend Foundation CofE Primary School
    0.3 mi
    Good

2 of 9 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

View All Schools

Comparables

View All
  • 23 Upper Tachbrook Street
    -
    £249k
    -
  • 23 Upper Tachbrook Street
    -
    £560k
    -
  • 5 Upper Tachbrook Street
    -
    £850k
    -
  • 23 Upper Tachbrook Street
    -
    £293k
    -