Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started18 Southey Street is a three-bedroom end-of-terrace house in Bromley, London, London (SE20 7JD). It has a recorded floor area of 134 m² (around 1442 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (April 2018) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. Other recorded features include a basement.
Sale prices here have outpaced London HPI: 9.5% per year against 0% for the wider region. Today's modelled estimate of £732,000 is 20% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£423/sq ft) was about 50.8% above the typical sold price in the postcode. At 134 m² the property is well over the postcode median (82 m² across 16 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Last sale on file: £610,000 in March 2020. Across the public record there are 4 sales, relatively high churn for a single property. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved.
18 Southey Street's carbon output runs well above what efficient homes in the postcode produce.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Extension: Single storey · Side and rear of property
Single storey rear/side extension with pitched roof and roof windows
Latest sale on 18 Southey Street was the highest on Land Registry record across the postcode.
£732,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.5% per year over 23 years.
£610,000
Growth on file: 9.5% per year over 23 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
CO₂ Emissions for 18 Southey Street lags the street by a wide margin.
Price per m²
£4,552
Street avg £4,294
Floor Area
134 m²
Street avg 105 m²
Habitable Rooms
7 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

Loft conversion with hip to gable, front side and rear roof light and rear dormer.
1 more application for this property
Join to see all planning history.
20 March 2020Most recent
£610,000
+110.3%over 13 years16 March 2007
£290,000
+45.0%over 4 years14 June 2002
£200,000
+159.8%over 4 years27 June 1997
£76,995
Median price across the last 5 sales in SE20 7JD: £575,000 (2025–2014).
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
Ad-free · Instant access · Secure Stripe checkout · One-off payment
Street avg 6 rooms
CO₂ Emissions
8.5 t/year
Street avg 4.5 t/year
SE20 7LN
Closest school
0.2 km
St John's Church of England Primary School. 52 schools nearby.
Night-time· 23:00 – 07:00
43.7dB