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F83, Ambassador Building, 5 New Union Square, London, SW11 7BT

UPRN:10091502425Flat/Maisonette1 bedsBuilt 2003-2006
LeaseholdCouncil Tax: Band EEPC: B (81)
Data freshness:Price Paid· freshPrice Paid: fresh, refreshed 3d ago (2026-11-01T09:25:06.727539+00:00)Planning· 4mo agoPlanning: stale, refreshed 4mo ago (2026-07-10T08:25:38.723888+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)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)
F83, Ambassador Building, 5 New Union Square, London, SW11 7BT

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
£685,000
£548k - £822kLow
Estimate
£685k
Range
£548k – £822k
Rent Estimate (pcm)
£3,250
£3k - £4k
Monthly
£3,250
Yield
5.69%

Verdict

Derived from HomePortfolio scores

F83 earns an INVESTIGATE rating with HP Score 72/100. Investment score 71/100 reflects strong fundamentals. Crime intensity is moderate. Walkability is limited (68/100). 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 covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS
HP Score
72/ 100
Mixed
Investment Score
71/ 100
High
Crime Score
48/ 100
Elevated
Walkability
68/ 100
Moderate
Transit & Bike
Transit 46Bike 66
Walk Score, out of 100

Valuation & Market

Sale Estimate£685,000
Rent Estimate (pcm)£3,250
Gross Yield5.69%
1y Growth-
3y Growth-4.7%
5y Growth-0.1%
10y Growth-0.5%
Last Sold Price-

Risk Overview

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

Planning Activity

Recent Apps
0SW11 7BT
Approval Rate
-12mo
Development
low
  • 26/03128/LB
    Demolition of existing extension and erection of a single-storey lower ground floor rear extension, repair and refurbishment of the front forecourt, boundary, existing front porch and steps. (Please note: The reference number for this Listed Building Consent application is 26/03128/LB, but there is also an associated application for Full Planning Permission related to these works with reference number: 26/02659/FUL)
    Pending
  • 26/07311/OBS
    Application under Section 73 of the Town and Country Planning Act 1990 for variations to Conditions 3 (Reserved Matters), 5 (Design Codes), 6 (Design Codes Landscaping Details), 7 (Parameter Plans), 8 (Land Uses), 11 (Maximum Floorspace Area in outline element for each Phase or Development Zone), 14 (Residential Mix), 18 (Phasing Plan), 20 (Car Parking), 35 (Sustainability and Energy) and 61 (Approved Drawings) of outline planning permission dated 28th February 2022 (ref. 2021/0414) for: ''the restoration, extension, alterations and conversion of the Power Station building to provide retail, residential flats, business, cultural, hotel and conference facilities, event space and incidental accommodation; the demolition of other buildings and development of the land surrounding the Power Station and adjacent/nearby sites to provide retail, restaurants bars and cafes, offices, hotel, residential, community and cultural space, assembly and leisure space, serviced apartments, an energy centre and basement plant; parking for cars, coaches, motorcycles and bicycles; new access and internal road system and servicing; 'off-site' highway works; works to the jetty and riverwall to facilitate river transport and fuel delivery; provision of open space and landscaping.'' (The application is accompanied by an Environmental Statement).
    Pending
  • 26/03125/DET
    Approval of details pursuant to condition 6 (Pipe Root Details) of planning permission ref. 26/01395/LB (Erection of a single-storey side extension to replace the existing garage, together with associated external alterations and internal alterations to a Grade II listed dwelling. Including: replacement of uPVC windows with timber sash windows; installation of conservation rooflights; repair and upgrade of flat roofs including replacement of asphalt with lead and parapet upgrades; replacement of uPVC gutters and downpipes with cast iron; repointing in lime mortar; internal alterations including minor reconfiguration of layout; addition of an a/c unit and other associated external alterations. (Please note: The reference number for this Listed Building Consent application is 26/01395/LB but there is also an associated application 02.09.2026.
    Pending

Ownership

  • Corporate Ownership42.3%
  • Overseas OwnershipNo
  • Lease Term Remaining999+ yrs
  • CovenantsRestrictive
  • Lease TypeLeasehold
  • Last Ownership Change-
  • SourceLand Registry

Connectivity

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

Area Profile

Median EarningsLocal authority£49,310
Population Density-
Owner Occupied35%
Age Distribution
0-15 7%16-64 87%65+ 6%

Schools Nearby

  • Tachbrook Nursery School
    0.3 mi
    Area grades2025

    Inspected after Ofsted withdrew the single overall grade.

  • St Gabriel's CofE Primary School
    0.4 mi
    Good
  • Pimlico Primary
    0.4 mi
    Area grades2025

    Inspected after Ofsted withdrew the single overall grade.

  • Pimlico Academy
    0.4 mi
    Report card2026

    Ofsted no longer awards a single overall grade.

1 of 10 nearby schools with published figures were oversubscribed in 2026 - demand, not a catchment.

Comparables

View All
  • Ambassador Building, 5 New Union Square
    -
    £655k
    -
  • Ambassador Building, 5 New Union Square
    -
    £650k
    -
  • Ambassador Building, 5 New Union Square
    -
    £1.15M
    -
  • Ambassador Building, 5 New Union Square
    -
    £740k
    -