18 Belfry Avenue, Bristol, BS5 7PL
About 18 Belfry Avenue
18 Belfry Avenue is a five-bedroom detached house in Bristol (BS5 7PL). It has a recorded floor area of 178 m² (around 1916 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (April 2018) returns a B (score 82), comfortably above the UK average. When first surveyed in June 2009 the rating was D, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Average; while roof efficiency dropped from Very Good to Very Poor and window efficiency dropped from Good to Average. Other recorded features include attached land beyond the plot. Our model identifies extension potential, subject to local planning policy.
At 178 m² the property is well over the postcode median (84 m² across 16 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2019, sale prices on this property compounded at 4% per year. Today's modelled estimate of £560,000 is 45.5% above the 2019 sale price. Most recent transfer: September 2019 at £385,000.
What this property has
Inside
- Bedrooms5
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- GarageYes
- LandYes
Building
- Extension potentialPossible
Energy performance
18 Belfry Avenue ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Cavity wall insulation installed
Low energy lighting percentage decreased
Planning history
18 Belfry Avenue has an approved rear extension on the planning record.
- Sept 2011ExtensionFullIn report
Extension: Rear of property
Extension to rear roof extension.
- Documents
- 5 docs on file
- Reference
- 11/03352/H
- Feb 2008New BuildOutlineIn report
Outline application for removal of existing prefabricated garage and construction of a detached building to contain one 1-bed ground floor flat and one 2-bed flat over first floor and loft.
- Documents
- 4 docs on file
- Reference
- 07/05080/P
We flagged 1 thing worth checking at 18 Belfry Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
30-day money-back guarantee
Sales history & valuation
18 Belfry Avenue valuation sits well clear of the typical sold price in this postcode.
£560,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 13 years.
£385,000
Growth on file: 4.0% per year over 13 years.
Sales timeline
8 September 2019Most recent
£385,000
+46.9%over 9 years10 March 2010
£262,000
+13.9%over 3 years25 May 2006
£230,000
Median price across the last 5 sales in BS5 7PL: £300,000 (2025–2021).
Versus other Belfry Avenue homes
18 Belfry Avenue outperforms the street on floor area by a wide margin.
Price per m²
£2,163
Street avg £2,752
Floor Area
178 m²
Street avg 90 m²
Habitable Rooms
10 rooms
Street avg 5 rooms
CO₂ Emissions
3.4 t/year
Street avg 4.0 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
11/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Glen Park — bus stop.
Closest school
0.2 km
Air Balloon Hill Primary School. 40 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
49.5dB

Night-time· 23:00 – 07:00
39.6dB







