12 Clockhouse Mews, Portishead, Bristol, BS20 7HS
About 12 Clockhouse Mews
12 Clockhouse Mews is a one-bedroom semi-detached house in Portishead, Bristol, Bristol (BS20 7HS). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1983-1990 and council tax band B. At 40 m² this is the 2nd smallest of 24 units on EPC record in the building, where floor areas span 39–55 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (March 2025) shows a C (score 72). The rating has held steady at C across 2 certificates since July 2014. Between certificates, hot-water efficiency dropped from Poor to Very Poor. Main heating runs on electricity.
Across 2015–2019, sale prices on this property compounded at 11% per year. On a £-per-square-foot basis, the last sale (£348/sq ft) was about 51.3% above the typical sold price in the postcode. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Most recent transfer: July 2019 at £150,000.
Know exactly what you're buying at 12 Clockhouse Mews
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
- Dining roomYes
Outside
- Communal gardenYes
- ParkingYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
More low energy lighting installed
Planning history
12 Clockhouse Mews has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
12 Clockhouse Mews valuation sits well clear of the typical sold price in this postcode.
£154,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.0% per year over 4 years.
£150,000
Growth on file: 11.0% per year over 4 years.
Sales timeline
18 July 2019Most recent
£150,000
+57.9%over 4 years9 March 2015
£95,000
Median price across the last 5 sales in BS20 7HS: £177,500 (2025–2024).
Nearby sales in BS20 7HS
1 Clockhouse Mews, Portishead, Bristol, BS20 7HS
Sold Sept 2025
£155,00016 Clockhouse Mews, Portishead, Bristol, BS20 7HS
Sold Aug 2025
£138,00017 Clockhouse Mews, Portishead, Bristol, BS20 7HS
Sold Jun 2025
£180,00010 Clockhouse Mews, Portishead, Bristol, BS20 7HS
Sold Nov 2024
£177,50023 Clockhouse Mews, Portishead, Bristol, BS20 7HS
Sold Oct 2024
£181,000
Everything we know about 12 Clockhouse Mews, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Clockhouse Mews homes
12 Clockhouse Mews is notably below the street on floor area.
Price per m²
£3,750
Street avg £3,262
Floor Area
40 m²
Street avg 46 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.6 t/year
Similar properties nearby
1 Clockhouse Mews, Portishead
BS20 7HS
1 Eastcliff, Portishead
BS20 7AB
1 Brittan Place, Portbury
BS20 7TZ
1 Camomile Walk, Portishead
BS20 7JP
1 Clevedon Lane, Clapton In Gordano
BS20 7RG
1 Argentia Place, Portishead
BS20 7QS
1 Bailey Court, Portishead
BS20 7GN
1 Dunlin Drive, Portishead
BS20 7NH
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Precinct — bus stop.
Closest school
0.5 km
Portishead Primary School. 7 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
49.7dB

Night-time· 23:00 – 07:00
39.5dB