14a, Heol Y Graig, Clydach, Swansea, SA6 5BZ
About 14a
14a is a detached house in Clydach, Swansea, Swansea (SA6 5BZ). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2026) shows a C (score 69), just inside the C band. When first surveyed in October 2013 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
At 62 m² it sits well below the postcode median (102 m² across 11 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 82% of similar EPCs). Across 2020–2023, sale prices on this property compounded at 23% per year. Today's modelled estimate of £186,000 is 37.8% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£202/sq ft) was about 120.3% above the typical sold price in the postcode. Most recent transfer: September 2023 at £135,000.
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 29 June 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
14a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
14a valuation sits well clear of the typical sold price in this postcode.
£186,000
Modelled from EPC, postcode comparables and a sale-price growth of 23.0% per year over 3 years.
£135,000
Growth on file: 23.0% per year over 3 years.
Sales timeline
26 September 2023Most recent
£135,000
+87.5%over 3 years10 September 2020
£72,000
Median price across the last 5 sales in SA6 5BZ: £200,000 (2026–2021).
Nearby sales in SA6 5BZ
12 Heol Y Graig, Clydach, Swansea, SA6 5BZ
Sold May 2026
£200,00010 Heol Y Graig, Clydach, Swansea, SA6 5BZ
Sold Jul 2025
£225,00016 Heol Y Graig, Clydach, Swansea, SA6 5BZ
Sold Aug 2024
£210,00013 Heol Y Graig, Clydach, Swansea, SA6 5BZ
Sold May 2021
£148,5005 Heol Y Graig, Clydach, Swansea, SA6 5BZ
Sold Apr 2018
£275,000
Versus other Heol Y Graig homes
14a is notably below the street on floor area.
Price per m²
£2,177
Street avg £1,340
Floor Area
62 m²
Street avg 106 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
2.1 t/year
Street avg 3.9 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
210/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Three Compasses — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







