89a, Court Lane, Southwark, London, SE21 7EF
About 89a
89a is a semi-detached house in Southwark, London, London (SE21 7EF). It has a recorded floor area of 160 m² (around 1722 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (June 2025) shows a C (score 71). When first surveyed in September 2009 the rating was F, the property has climbed 3 bands since. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Poor; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 83).
Held since August 2001 — that's 25 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 £1,828,000 sits 241.7% above the 2001 sale of £535,000. On a £-per-square-foot basis, the last sale (£311/sq ft) was about 39.5% below the postcode norm. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
89a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation improved
More low energy lighting installed
Hot water efficiency improved
High performance glazing installed
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
Planning history
89a has an approved single-storey rear extension on the planning record.
1 application on record at 89a, Court Lane, Southwark, London, SE21 7EF
- Jan 2018ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Construction of a single storey rear extension
- Documents
- 10 docs on file
- Reference
- 17/AP/4548
Unlock 89a, Court Lane, Southwark, London, SE21 7EF's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
89a's estimated value is more than triple its earliest registered sale price (2001).
£1,828,000
Modelled from EPC, postcode comparables.
£535,000
Recorded with HM Land Registry.
Sales timeline
30 August 2001Most recent
£535,000
Median price across the last 5 sales in SE21 7EF: £2,025,000 (2022–2018).
Nearby sales in SE21 7EF
73 Court Lane, Southwark, London, SE21 7EF
Sold May 2022
£2,100,00091 Court Lane, Southwark, London, SE21 7EF
Sold Jun 2021
£1,956,05079 Court Lane, Southwark, London, SE21 7EF
Sold Mar 2020
£2,400,00067 Court Lane, Southwark, London, SE21 7EF
Sold May 2019
£1,630,00089 Court Lane, Southwark, London, SE21 7EF
Sold Aug 2018
£2,025,000
Versus other Court Lane homes
Price per m² for 89a lags the street by a wide margin.
Price per m²
£3,344
Street avg £7,885
Floor Area
160 m²
Street avg 203 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
4.1 t/year
Street avg 9.1 t/year
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The neighbourhood at a glance
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
Crystal Palace Rd /Lordship Ln — bus stop.
Closest school
0.5 km
St Anthony's Catholic Primary School. 71 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
52.0dB

Night-time· 23:00 – 07:00
42.2dB







