40 Plas Newydd, Grovesend, Swansea, SA4 4WN
About 40 Plas Newydd
40 Plas Newydd is a detached house in Grovesend, Swansea, Swansea (SA4 4WN). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (June 2021) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in December 2013 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Good and hot-water efficiency went from Average to Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.
Across 2007–2021, sale prices on this property compounded at 3.1% per year. Today's modelled estimate of £250,000 is 25% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£255/sq ft) was about 64.9% above the typical sold price in the postcode. Most recent transfer: September 2021 at £199,995. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system upgraded
Low energy lighting percentage decreased
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Planning history
40 Plas Newydd 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
Latest sale on 40 Plas Newydd was the highest on Land Registry record across the postcode.
£250,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 14 years.
£199,995
Growth on file: 3.1% per year over 14 years.
Sales timeline
9 September 2021Most recent
£199,995
+53.8%over 14 years7 June 2007
£130,000
Median price across the last 5 sales in SA4 4WN: £132,000 (2023–2016).
Nearby sales in SA4 4WN
16 Plas Newydd, Grovesend, Swansea, SA4 4WN
Sold Apr 2023
£197,50017 Plas Newydd, Grovesend, Swansea, SA4 4WN
Sold Nov 2017
£117,00014 Plas Newydd, Grovesend, Swansea, SA4 4WN
Sold Jul 2017
£125,0009 Plas Newydd, Grovesend, Swansea, SA4 4WN
Sold May 2017
£132,0002 Plas Newydd, Grovesend, Swansea, SA4 4WN
Sold Aug 2016
£132,000
Versus other Plas Newydd homes
40 Plas Newydd outperforms the street on price per m² by a wide margin.
Price per m²
£2,740
Street avg £1,822
Floor Area
73 m²
Street avg 81 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.6 t/year
Street avg 4.1 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Coalbrook Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







