15 Sion Road, Bristol, BS3 3BD
About 15 Sion Road
15 Sion Road is a two-bedroom mid-terrace house in Bristol (BS3 3BD). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2021) shows an E (score 47), well below the UK norm with real room to improve. When first surveyed in May 2019 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Poor to Good and hot-water efficiency went from Very Poor to Poor; while main heating dropped from Average to Very Poor. The recommended improvements would lift it to B (score 88), a 3-band jump. Main heating runs on electricity. Period features are noted in the property record.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £367,000 is 41.2% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£335/sq ft) was about 47.3% above the typical sold price in the postcode. Last sale on file: £260,000 in April 2020.
What this property has
Inside
- Bedrooms2
- Dining roomYes
Outside
- Private gardenYes
Building
- Period featuresYes
- RefurbishedYes
Energy performance
15 Sion Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
15 Sion Road 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£367,000
Modelled from EPC, postcode comparables.
£260,000
Recorded with HM Land Registry.
Sales timeline
30 April 2020Most recent
£260,000
Median price across the last 5 sales in BS3 3BD: £380,000 (2025–2023).
Versus other Sion Road homes
EPC Rating for 15 Sion Road lags the street by a wide margin.
Price per m²
£3,611
Street avg £3,900
Floor Area
72 m²
Street avg 82 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
4.6 t/year
Street avg 3.5 t/year
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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







