12 William Mason Close, Bristol, BS5 0AY
About 12 William Mason Close
12 William Mason Close is a three-bedroom mid-terrace house in Bristol (BS5 0AY). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (July 2025) shows a C (score 76), near the top of the C band. When first surveyed in July 2015 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Average and lighting went from Average to Good; while window efficiency dropped from Average to Poor.
Across 1997–2013, sale prices on this property compounded at 7.6% per year. Today's modelled estimate of £313,000 sits 172.2% above the 2013 sale of £115,000. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 32.1% below the postcode norm. Last changed hands 13 years ago, in April 2013. Across the public record there are 4 sales, relatively high churn for a single property.
What this property has
Inside
- Bedrooms3
- Dining roomYes
Building
- Heating systemGas
Everything you need to know about 12 William Mason Close
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Energy performance
EPC Rating
Certificate validity
Valid until 18 July 2035
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Wall insulation improved
More low energy lighting installed
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Planning history
12 William Mason Close has no planning applications on record.
But the area is active
21 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has grown by over 3x since 1997.
£313,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 16 years.
£115,000
Growth on file: 7.6% per year over 16 years.
Sales timeline
11 April 2013Most recent
£115,000
-2.5%over 8 years1 July 2004
£118,000
+96.7%over 2 years12 July 2001
£60,000
+62.2%over 3 years24 September 1997
£37,000
Median price across the last 5 sales in BS5 0AY: £265,000 (2025–2007).
Nearby sales in BS5 0AY
18 William Mason Close, Bristol, BS5 0AY
Sold Jan 2025
£320,0003 William Mason Close, Bristol, BS5 0AY
Sold Jan 2024
£300,0007 William Mason Close, Bristol, BS5 0AY
Sold Jan 2018
£265,0005 William Mason Close, Bristol, BS5 0AY
Sold Mar 2007
£127,00014 William Mason Close, Bristol, BS5 0AY
Sold Jan 2007
£133,500
Versus other William Mason Close homes
On epc rating, 12 William Mason Close stands well clear of the street.
Price per m²
£1,106
Street avg £2,107
Floor Area
104 m²
Street avg 96 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.1 t/year
Street avg 3.6 t/year
Everything you need to know about 12 William Mason Close
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
627/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Church Street — bus stop.
Closest school
0.3 km
E-Act Barton Hill Academy. 47 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
55.1dB

Night-time· 23:00 – 07:00
45.4dB






