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Get started21 Court Lane Gardens is a five-bedroom semi-detached house in Southwark, London, London (SE21 7DZ). It has a recorded floor area of 239 m² (around 2573 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (March 2013) shows an E (score 45), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2009. Between certificates, window efficiency went from Poor to Average; while lighting dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 69), a 2-band jump. The latest certificate is from March 2013, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 3.4% per year against 0% for the wider region. Today's modelled estimate of £3,617,000 is 48.2% above the 2019 sale price. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and tree works, meaningful when judging how the property has evolved. Sold September 2019 for £2,440,000.
21 Court Lane Gardens's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 19 Mar 2023
Extension: Rear of property
Minor material amendment to planning permission ref. no. 22/AP/0858: Construction of a single storey rear extension; and a garden studio to the rear of the garden including landscping to the rear garden to change the Garden Room external walls is changed from brick to timber cladding, which has a black finish to it.
21 Court Lane Gardens valuation sits well clear of the typical sold price in this postcode.
£3,617,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 6 years.
£2,440,000
Growth on file: 3.4% per year over 6 years.
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On habitable rooms, 21 Court Lane Gardens stands well clear of the street.
Price per m²
£10,209
Street avg £10,388
Floor Area
239 m²
Street avg 230 m²
Habitable Rooms
9 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
Dulwich Village — bus stop.

Daytime· 07:00 – 23:00
51.6dB

Extension: Single storey · Rear of property
Construction of a single storey rear extension; and a garden studio to the rear of the garden including landscping to the rear garden.
1 more application for this property
Join to see all planning history.
26 September 2019Most recent
£2,440,000
+22.0%over 5 years4 October 2013
£2,000,000
Median price across the last 5 sales in SE21 7DZ: £2,800,000 (2024–2017).
3 Court Lane Gardens Southwark London
Sold Sept 2024
8 Court Lane Gardens Southwark London
Sold Jul 2023
11 Court Lane Gardens Southwark London
Sold Apr 2020
4 Court Lane Gardens Southwark London
Sold Jul 2018
10 Court Lane Gardens Southwark London
Sold May 2017
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Street avg 8 rooms
CO₂ Emissions
13.0 t/year
Street avg 11.3 t/year
SE21 7BU
Closest school
0.5 km
Dulwich Hamlet Junior School. 69 schools nearby.
Night-time· 23:00 – 07:00
41.7dB