11a, Park Street, Southwark, London, SE1 9AB
About 11a
11a is an end-of-terrace house in Southwark, London, London (SE1 9AB). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to before 1900 and council tax band B. At 66 m² this is the smallest unit on EPC record across the building (66–150 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (August 2025) shows a C (score 76), near the top of the C band. The rating has held steady at C across 2 certificates since August 2015. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Average to Poor.
14 planning records sit against the property, 8 approved, 5 refused. The record references listed-building consent, which constrain future alterations. At 66 m² it's 17.5% smaller than the typical home in the postcode (80 m² median across 11 EPCs).
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
11a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
14 applications on record at 11a, Park Street, Southwark, London, SE1 9AB
- May 2008ConditionsOutcome in report
Details of the works or alteration by way of partial demolition hereby approved shall not be commenced before contract[s] for the carrying out of the completion of the entire scheme of works for which consent is hereby granted, including the works contact, have been made and evidence of such contract[s] has submitted to and accepted in writing by the local planning authority as required by Condition 98 (APPLICATION TL19)
- Documents
- 4 docs on file
- Reference
- 08/AP/0943
- More recent applications — locked
- Change Of UseSept 2019Decision
- Change Of UseSept 2019Decision
+ 11 more applications in the report
Unlock 11a, Park Street, Southwark, London, SE1 9AB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (14 on record)
- All 14 applications on this property in full, plus 2 notable nearby
- The 122 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£512,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SE1 9AB: £950,000 (2022–1995).
Versus other Park Street homes
EPC Rating for 11a runs comfortably ahead of the street norm.
EPC Rating
76 (C)
Street avg 62 (D)
Floor Area
66 m²
Street avg 86 m²
CO₂ Emissions
1.5 t/year
Street avg 4.2 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 11a
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
44/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
The Hop Exchange — bus stop.
Closest school
0.3 km
The Cathedral School of St Saviour and St Mary Overie. 101 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
62.0dB
Night-time· 23:00 – 07:00
55.2dB