16 Brython Drive, St Mellons, Cardiff, CF3 0LR
About 16 Brython Drive
16 Brython Drive is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0LR). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (June 2014) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since November 2013. Between certificates, wall efficiency went from Average to Good; while roof efficiency dropped from Average to Poor. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from June 2014, so improvements made since then won't be reflected.
Untraded for 25 years, with the last transfer in July 2001. Across 1997–2001, sale prices on this property compounded at 9.4% per year. Today's modelled estimate of £181,000 sits 241.5% above the 2001 sale of £53,000. On a £-per-square-foot basis, the last sale (£86/sq ft) was about 47.9% below the postcode norm.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 19 Jun 2024
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation upgraded
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Planning history
16 Brython Drive 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
16 Brython Drive's modelled value sits at over four times its earliest registered sale price (1997).
£181,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.4% per year over 4 years.
£53,000
Growth on file: 9.4% per year over 4 years.
Sales timeline
24 July 2001Most recent
£53,000
+41.3%over 3 years23 September 1997
£37,500
Median price across the last 5 sales in CF3 0LR: £250,000 (2025–2024).
Nearby sales in CF3 0LR
13 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Jun 2025
£273,00042 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Apr 2025
£195,00045 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Mar 2025
£205,00035 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Aug 2024
£250,00064 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Apr 2024
£265,000
Versus other Brython Drive homes
EPC Rating for 16 Brython Drive lags the street by a wide margin.
Price per m²
£930
Street avg £2,229
Floor Area
57 m²
Street avg 77 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.0 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
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Cypress Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







