20 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH
About 20 Mountain Road
20 Mountain Road is a detached house in Craig-Cefn-Parc, Swansea, Swansea (SA6 5RH). It has a recorded floor area of 73 m² (around 784 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (February 2011) shows a G (score 17), near the bottom of the EPC scale. The recommended improvements would push it to F (score 29). Main heating runs on bottled lpg. The latest certificate is from February 2011, so improvements made since then won't be reflected.
At 73 m² it sits well below the postcode median (104 m² across 13 EPCs), making it one of the more compact homes locally. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). One planning record on file: an extension approved in 2002. Past consents include an extension, meaningful when judging how the property has evolved. Across 2001–2011, sale prices on this property compounded at 14.2% per year. Today's modelled estimate of £250,000 is 44.5% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£221/sq ft) was about 59.6% above the typical sold price in the postcode. Last sold in October 2011, so it's been off the market for around 15 years.
Energy performance
20 Mountain Road's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 08 Feb 2021
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
1 application on record at 20 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH
- Apr 2002ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension and rear dormer extension
- Reference
- 2002/0197
Unlock 20 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 2 notable nearby
- What the pattern means for extending or converting here
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Sales history & valuation
20 Mountain Road has more than tripled in price since its earliest registered sale in 2001.
£250,000
Modelled from EPC, postcode comparables and a sale-price growth of 14.2% per year over 10 years.
£173,000
Growth on file: 14.2% per year over 10 years.
Sales timeline
12 October 2011Most recent
£173,000
+276.1%over 9 years14 October 2001
£46,000
Median price across the last 5 sales in SA6 5RH: £240,000 (2025–2021).
Nearby sales in SA6 5RH
23 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH
Sold Mar 2025
£187,00030 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH
Sold Feb 2025
£320,0005 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH
Sold Sept 2022
£240,00015 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH
Sold Nov 2021
£280,00033 Mountain Road, Craig Cefn Parc, Swansea, SA6 5RH
Sold Oct 2020
£340,000
Versus other Mountain Road homes
On floor area, 20 Mountain Road runs well behind the street norm.
Price per m²
£2,376
Street avg £1,710
Floor Area
73 m²
Street avg 123 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
8.6 t/year
Street avg 6.6 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
Rhyddwen Road Terminus — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







