12 Branwen Gardens, Mayhill, Swansea, SA1 6UP
About 12 Branwen Gardens
12 Branwen Gardens is a mid-terrace house in Mayhill, Swansea, Swansea (SA1 6UP). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (June 2026) shows a C (score 74). When first surveyed in July 2013 the rating was D, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average; while wall efficiency dropped from Good to Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 81). This certificate was lodged in the last six months, so the rating reflects current condition.
Today's modelled estimate of £130,000 sits 147.6% above the 2016 sale of £52,500. At 84 m² it's 18.3% larger than the typical home in the postcode (71 m² median across 9 EPCs). On the market in November 2016 and unlisted since — roughly 10 years.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 1 June 2036
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
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Planning history
12 Branwen Gardens has no planning applications on record.
But the area is active
61 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Branwen Gardens valuation sits well clear of the typical sold price in this postcode.
£130,000
Modelled from EPC, postcode comparables.
£52,500
Recorded with HM Land Registry.
Sales timeline
11 November 2016Most recent
£52,500
Median price across the last 5 sales in SA1 6UP: £36,995 (2023–1998).
Versus other Branwen Gardens homes
On epc rating, 12 Branwen Gardens stands well clear of the street.
EPC Rating
74 (C)
Street avg 64 (D)
Floor Area
84 m²
Street avg 69 m²
CO₂ Emissions
2.1 t/year
Street avg 3.0 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
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The neighbourhood at a glance
Crime
580/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Tegid Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







