20 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH
About 20 Clos Alltygog
20 Clos Alltygog is a detached house in Pontarddulais, Swansea, Swansea (SA4 8JH). It has a recorded floor area of 96 m² (around 1033 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (May 2019) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 85), a 3-band jump.
At 96 m² the property is well over the postcode median (57 m² across 36 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 89% of similar EPCs). 3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension, a garage conversion and new windows, meaningful when judging how the property has evolved. Across 2004–2019, sale prices on this property compounded at 1% per year. Today's modelled estimate of £278,000 is 45.5% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£185/sq ft) was about 36.8% above the typical sold price in the postcode. Most recent transfer: July 2019 at £191,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
3 applications on record at 20 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH
- Nov 2019RenovationFullOutcome in report
Alterations to fenestration within front elevation
New Windows- Documents
- 7 docs on file
- Reference
- 2019/2266/FUL
- More recent applications — locked
- ConditionsNov 2021Decision
- Garage ConversionOct 2021Decision
Unlock 20 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH's full planning history
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- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 1 notable nearby
- The 25 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 Clos Alltygog's sale-price growth has lagged the wider UK trajectory across its history on file.
£278,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.0% per year over 15 years.
£191,000
Growth on file: 1.0% per year over 15 years.
Sales timeline
18 July 2019Most recent
£191,000
+15.8%over 14 years14 October 2004
£165,000
Median price across the last 5 sales in SA4 8JH: £140,000 (2025–2024).
Nearby sales in SA4 8JH
26 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH
Sold Jun 2025
£230,0007 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH
Sold May 2025
£187,00054 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH
Sold Mar 2025
£135,00050 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH
Sold Feb 2025
£140,00053 Clos Alltygog, Pontarddulais, Swansea, SA4 8JH
Sold Aug 2024
£105,000
Versus other Clos Alltygog homes
EPC Rating for 20 Clos Alltygog lags the street by a wide margin.
Price per m²
£1,990
Street avg £1,870
Floor Area
96 m²
Street avg 73 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
5.8 t/year
Street avg 3.1 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
King Hotel — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







