18 Clos Cynan, Killay, Swansea, SA2 7DL
About 18 Clos Cynan
18 Clos Cynan is a four-bedroom detached house in Killay, Swansea, Swansea (SA2 7DL). It has a recorded floor area of 107 m² (around 1152 sq ft), construction records dating it to 1996-2002 and council tax band F. Other recorded features include a conservatory. Records show the property has been extended at some point in its history. The latest certificate (September 2020) shows a C (score 69), just inside the C band. The recommended improvements would push it to B (score 84).
At 107 m² the property is well over the postcode median (63 m² across 12 EPCs), placing it in the larger end of the local stock. Across 1995–2021, sale prices on this property compounded at 4.2% per year. Today's modelled estimate of £364,000 is 42.7% above the 2021 sale price. Sold April 2021 for £255,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- EnsuiteYes
- ConservatoryYes
Outside
- GarageSingle, Integral
Building
- Previously extendedYes
Energy performance
EPC Rating
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Planning history
18 Clos Cynan has no planning applications on record.
But the area is active
3 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
18 Clos Cynan has more than doubled in price since the earliest registered sale in 1995.
£364,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 26 years.
£255,000
Growth on file: 4.2% per year over 26 years.
Sales timeline
29 April 2021Most recent
£255,000
+186.7%over 25 years28 September 1995
£88,950
Median price across the last 5 sales in SA2 7DL: £190,000 (2024–2017).
Nearby sales in SA2 7DL
Versus other Clos Cynan homes
On floor area, 18 Clos Cynan stands well clear of the street.
Price per m²
£2,383
Street avg £3,079
Floor Area
107 m²
Street avg 66 m²
Habitable Rooms
7 rooms
Street avg 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 2.9 t/year
Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Hendrefoilan Woods — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







