12 Banc Gwyn, Bridgend, CF31 5DJ
About 12 Banc Gwyn
12 Banc Gwyn is a three-bedroom semi-detached house in Bridgend (CF31 5DJ). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (May 2015) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it C (March 2011); the latest reading is 2 bands lower. Between certificates, wall efficiency dropped from Good to Very Poor and lighting dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 82), a 3-band jump. The latest certificate is from May 2015, so improvements made since then won't be reflected.
At 85 m² the property is well over the postcode median (58 m² across 11 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1999–2017, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £231,000 sits 54% above the 2017 sale of £150,000. Last sold in June 2017, so it's been off the market for around 9 years. Across the public record there are 5 sales, relatively high churn for a single property.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- Private gardenRear
- DrivewayYes
Energy performance
12 Banc Gwyn sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 05 May 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Heating controls changed
Hot water efficiency decreased
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Planning history
12 Banc Gwyn has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
12 Banc Gwyn has more than doubled in price since the earliest registered sale in 1999.
£231,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 18 years.
£150,000
Growth on file: 4.7% per year over 18 years.
Sales timeline
7 June 2017Most recent
£150,000
+11.9%over 3 years14 February 2014
£134,000
+1.1%over 1 year23 March 2012
£132,500
-1.1%over 5 years24 April 2006
£134,000
+104.0%over 6 years5 August 1999
£65,700
Median price across the last 5 sales in CF31 5DJ: £172,012 (2025–2016).
Versus other Banc Gwyn homes
On epc rating, 12 Banc Gwyn runs well behind the street norm.
Price per m²
£1,765
Street avg £2,168
Floor Area
85 m²
Street avg 63 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
4.8 t/year
Street avg 2.3 t/year
Similar properties nearby
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
7/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Busy Bees Nursery — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







