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Get started15 Southey Street is a mid-terrace house in Bromley, London, London (SE20 7JD). It has a recorded floor area of 101 m² (around 1087 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (June 2013) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. The latest certificate is from June 2013, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 8.6% per year against 0% for the wider region. Today's modelled estimate of £634,000 is 44.6% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£403/sq ft) was about 81.4% above the typical sold price in the postcode. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. At 101 m² it's 22.6% larger than the typical home in the postcode (82 m² median across 16 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). 13 years since the last transfer (August 2013).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 05 Jun 2023
15 Southey Street has been extended on multiple sides of the property across separate planning applications.
Extension: Side of property
Single storey extension to the side of the annex
Sale price has at least doubled since 2004.
£634,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.6% per year over 9 years.
£438,500
Growth on file: 8.6% per year over 9 years.
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Detailed AI analysis
On years held, 15 Southey Street stands well clear of the street.
Price per m²
£4,342
Street avg £4,329
Floor Area
101 m²
Street avg 110 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
High Street / Maple Road — bus stop.

Daytime· 07:00 – 23:00
53.5dB

Extension: Single storey · Rear of property
A single storey rear extension to the side of the annex LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)
30 August 2013Most recent
£438,500
+113.9%over 9 years25 June 2004
£205,000
Median price across the last 5 sales in SE20 7JD: £585,000 (2025–2015).
An AI-written breakdown of everything that matters
Detailed EPC data
Full energy ratings, history and recommendations
Related properties
Comparable homes and street-level pricing
Full planning history
Every application and decision on record
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CO₂ Emissions
5.5 t/year
Street avg 4.9 t/year
SE20 7AP
Closest school
0.2 km
St John's Church of England Primary School. 52 schools nearby.
Night-time· 23:00 – 07:00
43.7dB