21a, Cock Road, Bristol, BS15 9SJ
About 21a
21a is a detached house in Bristol (BS15 9SJ). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2023) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 84), a 2-band jump.
Held since April 1995 — that's 31 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £427,000 sits 577.8% above the 1995 sale of £63,000. On a £-per-square-foot basis, the last sale (£55/sq ft) was about 77.4% below the postcode norm.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
21a has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Sales history & valuation
21a's modelled value sits at over four times its earliest registered sale price (1995).
£427,000
Modelled from EPC, postcode comparables.
£63,000
Recorded with HM Land Registry.
Sales timeline
27 April 1995Most recent
£63,000
Median price across the last 5 sales in BS15 9SJ: £286,000 (2025–2024).
Versus other Cock Road homes
On years held, 21a stands well clear of the street.
Price per m²
£594
Street avg £2,741
Floor Area
106 m²
Street avg 120 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 5.0 t/year
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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Hollyguest Road — bus stop.
Closest school
0.5 km
Courtney Primary School. 31 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.2dB

Night-time· 23:00 – 07:00
39.5dB







