420a, Flat, Streatham High Road, Lambeth, London, SW16 3SN
About 420a
420a is a two-bedroom end-of-terrace house in Lambeth, London, London (SW16 3SN). It has a recorded floor area of 55 m² (around 592 sq ft) and construction records dating it to 1900-1929. The latest certificate (August 2025) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in November 2008 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor. The recommended improvements would push it to C (score 74).
6 planning records sit against the property, 3 approved, 3 refused. Past consents include subdivision, an extension and partial demolition, meaningful when judging how the property has evolved. The record references conservation-area consent, which constrain future alterations. At 55 m² it's 22.5% smaller than the typical home in the postcode (71 m² median across 5 EPCs).
What this property has
Inside
- Bedrooms2
- EnsuiteYes
Outside
- GarageYes
Building
- Heating systemGas
Everything you need to know about 420a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 17 August 2035
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Wall insulation improved
Low energy lighting percentage decreased
More low energy lighting installed
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 £955 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
6 applications on record at 420a, Flat, Streatham High Road, Lambeth, London, SW16 3SN
- Dec 2002ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Erection of a single storey rear extension and installation of a new shop front, and the conversion of the 1st floor to 1 self contained flat, along with associated alterations.
- Documents
- 1 doc on file
- Reference
- 02/02954/FUL
- More recent applications — locked
- SubdivisionNov 2004Decision
- AmendmentJun 2004Decision
+ 3 more applications in the report
Unlock 420a, Flat, Streatham High Road, Lambeth, London, SW16 3SN's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (6 on record)
- All 6 applications on this property in full, plus 15 notable nearby
- The 10 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
420a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£317,000
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.
Versus other Streatham High Road homes
Habitable Rooms for 420a lags the street by a wide margin.
EPC Rating
68 (D)
Street avg 64 (D)
Floor Area
55 m²
Street avg 80 m²
CO₂ Emissions
2.0 t/year
Street avg 3.6 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
Everything you need to know about 420a
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
524/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Greyhound Lane / Streatham High Road — bus stop.
Closest school
0.3 km
Immanuel and St Andrew Church of England Primary School. 72 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
54.8dB
Night-time· 23:00 – 07:00
44.8dB