666a, Flat 3, Streatham High Road, Lambeth, London, SW16 3QL
About 666a
666a is a detached house in Lambeth, London, London (SW16 3QL). It has a recorded floor area of 32 m² (around 344 sq ft) and construction records dating it to 1900-1929. At 32 m² this is the 2nd smallest of 3 units on EPC record in 666a, where floor areas span 30–50 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (February 2021) shows a C (score 78), near the top of the C band. When first surveyed in June 2020 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Very Good.
At 32 m² it sits well below the postcode median (48 m² across 46 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
666a's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 18 February 2031
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
High performance glazing installed
Cavity wall insulation installed
Roof insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
666a has an approved rear extension on the planning record.
2 applications on record at 666a, Flat 3, Streatham High Road, Lambeth, London, SW16 3QL
- Sept 2019AdvertisingOutcome in report
Replacement of an existing illuminated 48-sheet advertisement display with an internally illuminated D250 digital advertisement display.
- Documents
- 29 docs on file
- Reference
- 19/02805/ADV
- More recent applications — locked
- ExtensionAug 2022Decision
Unlock 666a, Flat 3, Streatham High Road, Lambeth, London, SW16 3QL'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- Every decision — granted, refused or withdrawn (2 on record)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, plus 15 notable nearby
- The 37 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
666a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£268,000
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 SW16 3QL: £310,000 (2024–2017).
Nearby sales in SW16 3QL
Flat 12, 668 Streatham High Road, London, SW16 3QL
Sold Jul 2024
£240,000Flat 8, 668 Streatham High Road, London, SW16 3QL
Sold Mar 2024
£375,000628b, Streatham High Road, London, SW16 3QL
Sold Mar 2023
£350,000628a, Streatham High Road, London, SW16 3QL
Sold Feb 2023
£310,000Flat A, 666 Streatham High Road, London, SW16 3QL
Sold Dec 2017
£280,000
Versus other Streatham High Road homes
CO₂ Emissions for 666a runs comfortably ahead of the street norm.
EPC Rating
78 (C)
Street avg 66 (D)
Floor Area
32 m²
Street avg 50 m²
CO₂ Emissions
0.9 t/year
Street avg 2.2 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
524/mo
Falling year-on-year across the wider district.
Nearest stop
0.0 km
Hermitage Lane — bus stop.
Closest school
0.5 km
Norbury Manor Primary School. 59 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
50.6dB

Night-time· 23:00 – 07:00
40.8dB







