21 Powys Avenue, Townhill, Swansea, SA1 6PG
About 21 Powys Avenue
21 Powys Avenue is an end-of-terrace house in Townhill, Swansea, Swansea (SA1 6PG). It has a recorded floor area of 77 m² (around 828 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (August 2010) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 75), a 2-band jump. The latest certificate is from August 2010, so improvements made since then won't be reflected.
One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved.
Everything you need to know about 21 Powys Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

Energy performance
21 Powys Avenue'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This certificate is over 10 years old and is no longer valid.Expired 25 Aug 2020
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
21 Powys Avenue has an approved single-storey rear extension on the planning record.
1 application on record at 21 Powys Avenue, Townhill, Swansea, SA1 6PG
- Jul 2016ExtensionFullOutcome in report
Extension: Single storey · Rear of property
Single storey rear extension
- Documents
- 13 docs on file
- Reference
- 2016/0907
Unlock 21 Powys Avenue, Townhill, Swansea, SA1 6PG's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 64 notable nearby
- The 13 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
21 Powys Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£127,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in SA1 6PG: £101,000 (2025–2018).
Nearby sales in SA1 6PG
12 Powys Avenue, Townhill, Swansea, SA1 6PG
Sold Jun 2025
£146,00033 Powys Avenue, Townhill, Swansea, SA1 6PG
Sold Jun 2021
£101,00032 Powys Avenue, Townhill, Swansea, SA1 6PG
Sold Jan 2020
£52,00034 Powys Avenue, Townhill, Swansea, SA1 6PG
Sold Jun 2018
£105,0004 Powys Avenue, Townhill, Swansea, SA1 6PG
Sold Dec 2017
£82,500
Versus other Powys Avenue homes
CO₂ Emissions for 21 Powys Avenue lags the street by a wide margin.
EPC Rating
44 (E)
Street avg 58 (D)
Floor Area
77 m²
Street avg 80 m²
CO₂ Emissions
6.1 t/year
Street avg 4.0 t/year
Habitable Rooms
4 rooms
Street avg 4 rooms
Everything you need to know about 21 Powys Avenue
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

Similar properties nearby
1 2, Flat 7, Brooklands Terrace
SA1 6BS
1 Bryn Syfi Terrace
SA1 6XN
1 2, Flat 3, Brooklands Terrace
SA1 6BS
1 Caradog Place, Townhill
SA1 6NH
1 2, Flat 6, St James Crescent
SA1 6DZ
1 Cadwaladr Circle, Mayhill
SA1 6UB
1 2, Flat 3, St James Crescent
SA1 6DZ
1 Alun Road, Mayhill
SA1 6UE
The neighbourhood at a glance
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Lady of Lourdes — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.






