Model valuation£417,0008 Busby Close
Local market context
6 Clos Cilfwnwr is a detached house in Penllergaer, Swansea, Swansea (SA4 9BU). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (October 2016) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.
Across 1999–2017, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £306,000 sits 55.3% above the 2017 sale of £197,000. It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). On the market in January 2017 and unlisted since — roughly 10 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
Certificate validity
Valid until 11 October 2026
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6 Clos Cilfwnwr has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
6 Clos Cilfwnwr has more than doubled in price since the earliest registered sale in 1999.
£306,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 17 years.
£197,000
Growth on file: 4.9% per year over 17 years.
12 January 2017Most recent
£197,000
+129.2%over 17 years7 October 1999
£85,950
Median price across the last 5 sales in SA4 9BU: £315,000 (2025–2022).
17 Clos Cilfwnwr, Penllergaer, Swansea, SA4 9BU
Sold Nov 2025
8 Clos Cilfwnwr, Penllergaer, Swansea, SA4 9BU
Sold Feb 2025
19 Clos Cilfwnwr, Penllergaer, Swansea, SA4 9BU
Sold Nov 2024
21 Clos Cilfwnwr, Penllergaer, Swansea, SA4 9BU
Sold Jul 2022
3 Clos Cilfwnwr, Penllergaer, Swansea, SA4 9BU
Sold Jun 2022
EPC Rating for 6 Clos Cilfwnwr lags the street by a wide margin.
Price per m²
£2,264
Street avg £3,022
Floor Area
87 m²
Street avg 97 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.4 t/year
Street avg 4.0 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchSA4 9JL
SA4 9BU
SA4 9SF
SA4 9BX
SA4 9HS
SA4 9AJ
SA4 9BZ
SA4 9QL
Crime
160/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Clos Cilfwnwr — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.