3 Clos Y Deri, Llanedi, Pontarddulais, Swansea, SA4 0XW
About 3 Clos Y Deri
3 Clos Y Deri is a five-bedroom detached house in Pontarddulais, Swansea, Swansea (SA4 0XW). It has a recorded floor area of 176 m² (around 1894 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (May 2025) shows a D (score 61), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2018. Between certificates, wall efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. Main heating runs on electricity. Other recorded features include a conservatory.
At 176 m² the property is well over the postcode median (132 m² across 6 EPCs), placing it in the larger end of the local stock. Across 1998–2018, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £427,000 is 37.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£164/sq ft) was about 25.7% above the typical sold price in the postcode. Last changed hands 8 years ago, in May 2018.
What this property has
Inside
- Bedrooms5
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenFront and rear
- GarageYes
Building
- Heating systemOil
Energy performance
3 Clos Y Deri's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Hot water system changed
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
3 Clos Y Deri 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
Latest sale on 3 Clos Y Deri was the highest on Land Registry record across the postcode.
£427,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 20 years.
£310,000
Growth on file: 6.2% per year over 20 years.
Sales timeline
16 May 2018Most recent
£310,000
+19.2%over 10 years10 April 2008
£260,000
+173.7%over 9 years6 August 1998
£95,000
Median price across the last 5 sales in SA4 0XW: £270,000 (2021–2007).
Nearby sales in SA4 0XW
15 Clos Y Deri, Llanedi, Pontarddulais, Swansea, SA4 0XW
Sold Jun 2021
£290,00016 Clos Y Deri, Llanedi, Pontarddulais, Swansea, SA4 0XW
Sold Dec 2020
£270,00011 Clos Y Deri, Llanedi, Pontarddulais, Swansea, SA4 0XW
Sold Aug 2019
£255,00013 Clos Y Deri, Llanedi, Pontarddulais, Swansea, SA4 0XW
Sold Feb 2015
£225,0001 Clos Y Deri, Llanedi, Pontarddulais, Swansea, SA4 0XW
Sold Jul 2007
£282,000
Versus other Clos Y Deri homes
On co₂ emissions, 3 Clos Y Deri runs well behind the street norm.
Price per m²
£1,761
Street avg £1,718
Floor Area
176 m²
Street avg 143 m²
Habitable Rooms
9 rooms
Street avg 7 rooms
CO₂ Emissions
11.0 t/year
Street avg 5.9 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
Tarfan y Deri — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







