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Get started20 Ashwater Road is a three-bedroom semi-detached house in Lewisham, London, London (SE12 0LB). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2024) shows a D (score 58), a step below the typical UK home. When first surveyed in June 2014 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 85), a 2-band jump. Other recorded features include outbuildings. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced London HPI: 4.5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£657/sq ft) was about 71.7% above the typical sold price in the postcode. Most recent transfer: September 2024 at £615,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
20 Ashwater Road saw 3 transfers in just over a decade — high turnover for the postcode.
£626,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.5% per year over 9 years.
£615,000
Growth on file: 4.5% per year over 9 years.
On price per m², 20 Ashwater Road stands well clear of the street.
Price per m²
£7,069
Street avg £5,206
Floor Area
87 m²
Street avg 96 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Heather Road (SE12) — bus stop.

Daytime· 07:00 – 23:00
50.2dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
20 September 2024Most recent
£615,000
+21.8%over 4 years2 December 2019
£505,000
+22.6%over 4 years15 July 2015
£412,000
Median price across the last 5 sales in SE12 0LB: £563,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 5.2 t/year
SE12 0NU
Closest school
0.3 km
Cooper's Lane Primary School. 41 schools nearby.
Night-time· 23:00 – 07:00
40.4dB
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