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Get started23 Dallinger Road is a four-bedroom semi-detached house in Lewisham, London, London (SE12 0TJ). It has a recorded floor area of 147 m² (around 1582 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (June 2025) shows a C (score 71). When first surveyed in January 2014 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Average, hot-water efficiency went from Average to Good and lighting went from Very Poor to Good; while window efficiency dropped from Good to Average.
Sale prices here have outpaced London HPI: 6% per year against -0.2% for the wider region. On a £-per-square-foot basis, the last sale (£553/sq ft) was about 87.7% above the typical sold price in the postcode. At 147 m² the property is well over the postcode median (99 m² across 16 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 88% of similar EPCs). It changed hands recently, sold September 2025 for £875,000. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
23 Dallinger Road has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Prior Approval for the construction of a single-storey rear extension at 23 Dallinger Road, SE12, which will extend beyond the rear wall of the original dwelling by 3.6 metres, for which the maximum height will be 3.25 metres and the height at the eaves of the proposed extension will be 3 metres.
Latest sale on 23 Dallinger Road was the highest on Land Registry record across the postcode.
£923,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 11 years.
£875,000
Growth on file: 6.0% per year over 11 years.
On epc rating, 23 Dallinger Road stands well clear of the street.
Price per m²
£5,952
Street avg £4,547
Floor Area
147 m²
Street avg 103 m²
Habitable Rooms
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
Lee — bus stop.

Daytime· 07:00 – 23:00
52.9dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
More low energy lighting installed
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Prior approval for the construction of a single-storey rear extension at 23 Dallinger Road, SE12, the extension would extend 3.6m beyond the rear wall of the original dwelling house, the maximum height would be 3.5m and the height at the eaves of the proposed extension would be 3.28m.
19 September 2025Most recent
£875,000
+94.4%over 11 years28 March 2014
£450,000
Median price across the last 5 sales in SE12 0TJ: £700,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
3.8 t/year
Street avg 5.1 t/year
SE12 0NB
Closest school
0.1 km
St Winifred's RC Primary School. 52 schools nearby.
Night-time· 23:00 – 07:00
43.1dB
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