12 Walden Building, 85 St Johns Hill, London, SW11 1SX

UPRN:10024084249Purpose Built Flat1 bedsBuilt 1996-2002

LeaseholdCouncil Tax: Band DEPC: B (81)

Data freshness:Price Paid· freshPlanning· freshOwnership· freshEPC· 6mo agoRisk· 5mo agoConnectivity· 1mo agoSchools· freshAmenities· 2mo agoArea· Census 2021Council Tax· 6mo ago

12 Walden Building, 85 St Johns Hill, London, SW11 1SX

HP Score

/ 100

Mixed

Verdict

yesterday

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

Evidence

19 of 21 sources

Sale Estimate

£490,000

£466k - £515kHigh

Estimate

£490k

Range

£466k – £515k

Rent Estimate (pcm)

£2,300

£2k - £3k

Monthly

£2,300

Yield

5.63%

Verdict

Derived from HomePortfolio scores

12 Walden Building earns an INVESTIGATE rating with HP Score 65/100. Investment score 70/100 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. 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 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 covenantsHM Land Registry leasesHM Land Registry Price PaidPlanIt / council planning portalsOverture Maps PlacesOfsted / DfE GIAS

HP Score

65/ 100

Mixed

Investment Score

70/ 100

Moderate

100

Crime Score

100/ 100

Elevated

Walkability

98/ 100

Excellent

Transit & Bike

Transit 91Bike 75

Walk Score, out of 100

Valuation & Market

Sale Estimate£490,000

Rent Estimate (pcm)£2,300

Gross Yield5.63%

1y Growth+6.7%

3y Growth-4.7%

5y Growth-0.1%

10y Growth-0.5%

Last Sold Price£465,000 (2023-09-01)

View Market Details

Risk Overview

Flood RiskUnknown
SubsidenceSignificant
RadonLow
MiningUnknown
LandslideLow
Air QualityLow
NoiseHigh

View Full Risk Report

Planning Activity

Recent Apps

1SW11 1SX

Approval Rate

100%12mo

Development

low

2026/3254
Erection of a mansard roof extension, demolition of the existing rear extension and erection of a replacement two-storey rear extension, together with the conversion of the property into 2 self contained flats from an existing shop and flat
On-line
2026/3248
T1 Mimosa (x1) Fell to ground level. Reason: The tree has become excessively large for the location. It is suppressing smaller adjacent trees. The trunk is also pressing against the boundary wall with No.59 Spencer Park and is likely to cause damage if retained. T2 + T3 Himalayan Birch (x2) Crown lift by 1.5m. Reason: To allow more light to the plants below. T4 Cherry (x1) Reduce crown by 1.5m. Reason: To redress the balance as supressed by the Birches. T5 Paulownia (x1) Crown lift by 1.5m. Reason: To allow more light to the plants below.
Pending
2026/3220
Horse Chestnut x 2 - Reduce crown by approx 1-2m to retain suitable furnishing growth around previous pruning points to contain development and limit shade and debris
Pending

View Planning Timeline