12 Frogmore Avenue, Sketty, Swansea, SA2 9DJ
About 12 Frogmore Avenue
12 Frogmore Avenue is a detached house in Sketty, Swansea, Swansea (SA2 9DJ). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2017) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump.
Today's modelled estimate of £184,000 sits 84% above the 2020 sale of £100,000. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include subdivision and change of use to residential, meaningful when judging how the property has evolved. At 79 m² it's 22.9% smaller than the typical home in the postcode (103 m² median across 14 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). Most recent transfer: May 2020 at £100,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
3 applications on record at 12 Frogmore Avenue, Sketty, Swansea, SA2 9DJ
- Nov 2014FullOutcome in report
Retention of use of first floor as office (Class A2).
Retrospective- Documents
- 8 docs on file
- Reference
- 2014/1532
- More recent applications — locked
- SubdivisionOct 2019Decision
- Change Of UseApr 2017Decision
Unlock 12 Frogmore Avenue, Sketty, Swansea, SA2 9DJ's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (3 on record)
- All 3 applications on this property in full, plus 2 notable nearby
- The 24 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£184,000
Modelled from EPC, postcode comparables.
£100,000
Recorded with HM Land Registry.
Sales timeline
6 May 2020Most recent
£100,000
Median price across the last 5 sales in SA2 9DJ: £174,000 (2025–2019).
Nearby sales in SA2 9DJ
8 Frogmore Avenue, Sketty, Swansea, SA2 9DJ
Sold Sept 2025
£165,0003 Frogmore Avenue, Sketty, Swansea, SA2 9DJ
Sold Jun 2021
£240,0005 Frogmore Avenue, Sketty, Swansea, SA2 9DJ
Sold Jun 2021
£174,0002 Frogmore Avenue, Sketty, Swansea, SA2 9DJ
Sold Oct 2019
£165,00010 Frogmore Avenue, Sketty, Swansea, SA2 9DJ
Sold Dec 2016
£90,000
Versus other Frogmore Avenue homes
EPC Rating for 12 Frogmore Avenue lags the street by a wide margin.
Price per m²
£1,266
Street avg £1,325
Floor Area
79 m²
Street avg 104 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
5.2 t/year
Street avg 4.4 t/year
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Sketty Cross — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







