21 Mayville Avenue is an end-of-terrace house in Filton, Bristol, Bristol (BS34 7AA). It has a recorded floor area of 132 m² (around 1421 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (June 2022) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 78).
At 132 m² the property is well over the postcode median (93 m² across 13 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Sold November 2022 for £325,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
21 Mayville Avenue has 2 separate extension applications on the council record.
Extension: Side of property
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£330,000
Modelled from EPC, postcode comparables.
£325,000
Recorded with HM Land Registry.
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21 Mayville Avenue outperforms the street on floor area by a wide margin.
Price per m²
£2,462
Street avg £2,583
Floor Area
132 m²
Street avg 96 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Filton Church — bus stop.

Daytime· 07:00 – 23:00
52.6dB

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Erection of a two storey side extension to facilitate change of use small house in multiple occupation (HMO) (Class C4) to a 8 bedroom large HMO for up to 8 people (Sui Generis) as defined in the Town and Country Planning (Use Classes) Order 1987 (as amended).
Extension: Two storey · Side of property
Erection of a two storey side extension to form additional living accommodation.
Full planning data for 21 Mayville Avenue, Filton, Bristol, BS34 7AA
Every application and decision on this property and nearby, in full, in the report.
28 November 2022Most recent
£325,000
Median price across the last 5 sales in BS34 7AA: £312,000 (2025–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.8 t/year
BS34 7HN
Closest school
0.5 km
Filton Hill Primary School. 26 schools nearby.
Night-time· 23:00 – 07:00
43.6dB