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Get started5 Ashwater Road is a three-bedroom semi-detached house in Lewisham, London, London (SE12 0LB). It has a recorded floor area of 97 m² (around 1044 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (October 2018) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 81), a 2-band jump. Other recorded features include a conservatory. Period features are noted in the property record. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced London HPI: 4.7% per year against 0% for the wider region. Today's modelled estimate of £617,000 is 22.2% above the 2019 sale price. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: January 2019 at £505,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
5 Ashwater Road has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Householder prior approval for the construction of a single-storey extension at 5 Ashwater Road, SE12 extending 5m beyond the rear wall of the existing property, with a maximum height of 3.2m and an eaves height of 3m.
Sale price has at least doubled since 2002.
£617,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 16 years.
£505,000
Growth on file: 4.7% per year over 16 years.
Price per m²
£5,206
Street avg £5,304
Floor Area
97 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Street avg 5 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

Certificate of Lawfulness (Proposed) for the construction of a hip to gable roof extension at 5 Ashwater Road, SE12 together with an extension to the rear roof slope and the inclusion of three rooflights in the front roof slope.
1 more application for this property
Join to see all planning history.
24 January 2019Most recent
£505,000
+110.5%over 16 years29 November 2002
£239,950
Median price across the last 5 sales in SE12 0LB: £565,000 (2025–2021).
CO₂ Emissions
4.5 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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