1a, Flat 4, Sion Road, Bristol, BS3 3BD
About 1a
1a is an end-of-terrace house in Bristol (BS3 3BD). It has a recorded floor area of 46 m² (around 495 sq ft) and construction records dating it to 1996-2002. The latest certificate (August 2022) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since March 2009. Between certificates, wall efficiency went from Poor to Good and lighting went from Very Poor to Good; while window efficiency dropped from Good to Average.
At 46 m² it sits well below the postcode median (72 m² across 34 EPCs), making it one of the more compact homes locally.
Everything you need to know about 1a
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
1a'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
Cavity wall insulation installed
More low energy lighting installed
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Planning history
1a has no planning applications on record.
But the area is active
9 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£200,000
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 BS3 3BD: £380,000 (2025–2023).
Versus other Sion Road homes
1a outperforms the street on floor area by a wide margin.
EPC Rating
78 (C)
Street avg 75 (C)
Floor Area
46 m²
Street avg 43 m²
CO₂ Emissions
1.1 t/year
Street avg 1.4 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Everything you need to know about 1a
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £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
4/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Sion Road — bus stop.
Closest school
0.2 km
Compass Point Primary School. 35 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
42.1dB