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Get started25a is a semi-detached house in Bromley, London, London (SE20 8QJ). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band C. At 85 m² this is the 29th smallest of 35 units on EPC record in the building, where floor areas span 24–223 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (August 2016) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump.
Sale prices here have outpaced London HPI: 6% per year against 0% for the wider region. Today's modelled estimate of £422,000 is 18.9% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£388/sq ft) was about 76.1% above the typical sold price in the postcode. At 85 m² the property is well over the postcode median (47 m² across 43 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last changed hands 9 years ago, in June 2017.
Recommended upgrades on file would lift this property by multiple EPC bands.
25a has an approved side and rear extension on the planning record.
Extension: Side and rear of property
Single storey side and rear extension to lower flat, proposed patio at ground and lower levels, boundary wall and elevational alterations.
25a valuation sits well clear of the typical sold price in this postcode.
£422,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 11 years.
£355,000
Growth on file: 6.0% per year over 11 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
25a is notably below the street on co₂ emissions.
Price per m²
£4,176
Street avg £2,731
Floor Area
85 m²
Street avg 50 m²
Habitable Rooms
4 rooms
Street avg 2 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
High Street / Penge West Station — bus stop.

Daytime· 07:00 – 23:00
53.6dB

Proposed garden studio (for private use as a garden room)
23 June 2017Most recent
£355,000
+91.9%over 11 years3 April 2006
£184,950
Median price across the last 5 sales in SE20 8QJ: £225,000 (2025–2020).
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
5.3 t/year
Street avg 2.6 t/year
Closest school
0.1 km
Harris Primary Academy Crystal Palace. 58 schools nearby.
Night-time· 23:00 – 07:00
43.7dB