13 Court Lane Gardens, Southwark, London, SE21 7DZ
About 13 Court Lane Gardens
13 Court Lane Gardens is a semi-detached house in Southwark, London, London (SE21 7DZ). It has a recorded floor area of 246 m² (around 2648 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (August 2018) shows a C (score 78), near the top of the C band. When first surveyed in June 2016 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Average to Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Very Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 81). Main heating runs on electricity.
Held since October 2003 — that's 23 years off the open market, well above the local norm. On energy efficiency it sits in the top 10% of properties in this postcode. Today's modelled estimate of £3,443,000 sits 231.1% above the 2003 sale of £1,040,000. On a £-per-square-foot basis, the last sale (£393/sq ft) was about 58.1% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include a basement excavation and an extension, meaningful when judging how the property has evolved.
Energy performance
13 Court Lane Gardens ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Certificate validity
Valid until 27 August 2028
Property Improvements
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Window efficiency improved
Wall insulation improved
Floor insulation added or improved
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
Planning history
13 Court Lane Gardens has an approved extension on the planning record.
2 applications on record at 13 Court Lane Gardens, Southwark, London, SE21 7DZ
- Apr 2005ExtensionFullOutcome in report
Erection of roof extension, with new dormer windows to the side and rear and rooflights to the side and on the front elevation, to provide two bedrooms and one bathroom.
- Reference
- 05/AP/0285
- More recent applications — locked
- BasementApr 2023Decision
Unlock 13 Court Lane Gardens, Southwark, London, SE21 7DZ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full
- The 28 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
13 Court Lane Gardens's estimated value is more than triple its earliest registered sale price (2003).
£3,443,000
Modelled from EPC, postcode comparables.
£1,040,000
Recorded with HM Land Registry.
Sales timeline
16 October 2003Most recent
£1,040,000
Median price across the last 5 sales in SE21 7DZ: £2,440,000 (2024–2019).
Nearby sales in SE21 7DZ
3 Court Lane Gardens, Southwark, London, SE21 7DZ
Sold Sept 2024
£3,750,0008 Court Lane Gardens, Southwark, London, SE21 7DZ
Sold Jul 2023
£3,670,00011 Court Lane Gardens, Southwark, London, SE21 7DZ
Sold Apr 2020
£1,950,00021 Court Lane Gardens, Southwark, London, SE21 7DZ
Sold Sept 2019
£2,440,0004 Court Lane Gardens, Southwark, London, SE21 7DZ
Sold Jul 2018
£2,360,000
Versus other Court Lane Gardens homes
13 Court Lane Gardens is notably below the street on price per m².
Price per m²
£4,228
Street avg £11,053
Floor Area
246 m²
Street avg 229 m²
Habitable Rooms
8 rooms
Street avg 8 rooms
CO₂ Emissions
3.3 t/year
Street avg 12.1 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
66/mo
Falling year-on-year across the wider district.
Nearest stop
0.3 km
Dulwich Village — bus stop.
Closest school
0.5 km
Dulwich Hamlet Junior School. 69 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
51.6dB

Night-time· 23:00 – 07:00
41.7dB







