16 Clos Pengelli, Grovesend, Swansea, SA4 4JW
About 16 Clos Pengelli
16 Clos Pengelli is a semi-detached house in Grovesend, Swansea, Swansea (SA4 4JW). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (September 2025) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in May 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Very Poor to Average and window efficiency went from Very Poor to Average. The recommended improvements would push it to C (score 78).
At 71 m² the property is well over the postcode median (49 m² across 11 EPCs), placing it in the larger end of the local stock. Across 1999–2016, sale prices on this property compounded at 3.6% per year. Today's modelled estimate of £168,000 sits 86.7% above the 2016 sale of £90,000. On a £-per-square-foot basis, the last sale (£118/sq ft) was about 26.3% below the postcode norm. Last sold in March 2016, so it's been off the market for around 10 years.
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency improved
Single glazing replaced with double or better glazing
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
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Planning history
16 Clos Pengelli 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.
Sales history & valuation
16 Clos Pengelli's estimated value is more than triple its earliest registered sale price (1999).
£168,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.6% per year over 17 years.
£90,000
Growth on file: 3.6% per year over 17 years.
Sales timeline
14 March 2016Most recent
£90,000
+85.6%over 15 years13 February 2001
£48,500
-3.0%over 1 year17 June 1999
£50,000
Median price across the last 5 sales in SA4 4JW: £139,500 (2023–2022).
Nearby sales in SA4 4JW
18 Clos Pengelli, Grovesend, Swansea, SA4 4JW
Sold Dec 2023
£161,0002 Clos Pengelli, Grovesend, Swansea, SA4 4JW
Sold Nov 2023
£139,5008 Clos Pengelli, Grovesend, Swansea, SA4 4JW
Sold Jun 2023
£145,0005 Clos Pengelli, Grovesend, Swansea, SA4 4JW
Sold Dec 2022
£130,0003 Clos Pengelli, Grovesend, Swansea, SA4 4JW
Sold Oct 2021
£126,000
Versus other Clos Pengelli homes
On floor area, 16 Clos Pengelli stands well clear of the street.
Price per m²
£1,268
Street avg £1,987
Floor Area
71 m²
Street avg 53 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.5 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Station Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







