20 Court Lane, Southwark, London, SE21 7DR
About 20 Court Lane
20 Court Lane is a five-bedroom semi-detached house in Southwark, London, London (SE21 7DR). It has a recorded floor area of 181 m² (around 1948 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (October 2022) 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 October 2012. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 80).
4 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. 13 years since the last transfer (March 2013). Today's modelled estimate of £2,400,000 is 41.2% above the 2013 sale price.
What this property has
Inside
- Bedrooms5
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
Outside
- Private gardenRear
- ParkingOff street
- Summer houseYes
Energy performance
20 Court Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 9 October 2032
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
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.
From £1,945 · Includes VAT
Planning history
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
4 applications on record at 20 Court Lane, Southwark, London, SE21 7DR
- May 2005ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Erection of a single storey extension to the rear of the existing residential property.
- Reference
- 05/AP/0448
- More recent applications — locked
- Tree WorksMar 2025Decision
- OutbuildingMay 2016Decision
+ 1 more application in the report
Unlock 20 Court Lane, Southwark, London, SE21 7DR's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 4 applications on this property in full
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
20 Court Lane valuation sits well clear of the typical sold price in this postcode.
£2,400,000
Modelled from EPC, postcode comparables.
£1,700,000
Recorded with HM Land Registry.
Sales timeline
26 March 2013Most recent
£1,700,000
Median price across the last 5 sales in SE21 7DR: £3,218,445 (2023–2023).
Nearby sales in SE21 7DR
18 Court Lane, Southwark, London, SE21 7DR
Sold Aug 2023
£2,310,00044 Court Lane, Southwark, London, SE21 7DR
Sold Jun 2023
£3,218,44540 Court Lane, Southwark, London, SE21 7DR
Sold Jun 2023
£3,319,75042 Court Lane, Southwark, London, SE21 7DR
Sold Jun 2023
£3,375,00038 Court Lane, Southwark, London, SE21 7DR
Sold Mar 2023
£2,975,000
Versus other Court Lane homes
Price per m²
£9,392
Street avg £9,088
Floor Area
181 m²
Street avg 217 m²
Habitable Rooms
7 rooms
Street avg 8 rooms
CO₂ Emissions
6.9 t/year
Street avg 6.6 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
0.2 km
Dulwich Village — bus stop.
Closest school
0.3 km
Dulwich Hamlet Junior School. 63 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
51.5dB

Night-time· 23:00 – 07:00
41.4dB







