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Get started21 Balder Rise is a four-bedroom semi-detached house in Lewisham, London, London (SE12 9PF). It has a recorded floor area of 143 m² (around 1539 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (December 2021) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2011. Between certificates, lighting went from Poor to Good; while wall efficiency dropped from Poor to Very Poor and roof efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 77).
Sale prices here have outpaced London HPI: 7.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£458/sq ft) was about 80.1% above the typical sold price in the postcode. At 143 m² the property is well over the postcode median (85 m² across 29 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2017. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: August 2022 at £705,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Lawful Development Certificate (Proposed) in respect of the construction of a hip-to-gable roof extension and a rear dormer roof extension incorporating a Juliet balcony at 21 Balder Rise, SE12, together the insertion of two rooflights to the front roof slope.
Latest sale on 21 Balder Rise was the highest on Land Registry record across the postcode.
£722,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 10 years.
£705,000
Growth on file: 7.6% per year over 10 years.
On floor area, 21 Balder Rise stands well clear of the street.
Price per m²
£4,930
Street avg £3,833
Floor Area
143 m²
Street avg 103 m²
Habitable Rooms
7 rooms
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Edward Tyler Road — bus stop.

Daytime· 07:00 – 23:00
50.3dB

Changes detected from historical EPC data
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
12 August 2022Most recent
£705,000
+110.4%over 10 years15 June 2012
£335,000
Median price across the last 5 sales in SE12 9PF: £580,000 (2025–2022).
Street avg 5 rooms
CO₂ Emissions
5.4 t/year
Street avg 5.1 t/year
SE12 9EU
Closest school
0.4 km
Cooper's Lane Primary School. 40 schools nearby.
Night-time· 23:00 – 07:00
40.8dB
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