St John S House, Flat 12, 4 Aylesbury Street, Swindon, SN1 1AE
About St John S House
St John S House is an end-of-terrace house in Swindon (SN1 1AE). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 2007-2011 and council tax band A. The latest certificate (July 2026) returns a B (score 82), comfortably above the UK average. The rating has held steady at B across 2 certificates since August 2009. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. At 70 m² this is the 18th smallest of 20 units on EPC record in St John s House, where floor areas span 46–74 m². The building's EPC ratings span C to B, with this unit at the top.
At 70 m² it's 17.6% larger than the typical home in the postcode (60 m² median across 26 EPCs).
Everything you need to know about St John S House
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Energy performance
St John S House's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 2 July 2036
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Planning history
St John S House has no planning applications on record.
But the area is active
13 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
St John S House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£127,000
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 Aylesbury Street homes
St John S House outperforms the street on co₂ emissions by a wide margin.
EPC Rating
82 (B)
Street avg 81 (C)
Floor Area
70 m²
Street avg 55 m²
CO₂ Emissions
0.8 t/year
Street avg 1.3 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about St John S House
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
380/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Old Bus Station — bus stop.
Closest school
0.8 km
Holy Rood Catholic Primary School. 36 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
52.4dB
Night-time· 23:00 – 07:00
40.6dB