42 Brython Drive, St Mellons, Cardiff, CF3 0LR
About 42 Brython Drive
42 Brython Drive is a two-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0LR). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1983-1990 and council tax band C. The latest certificate (August 2024) shows a C (score 72). The rating has held steady at C across 2 certificates since September 2014. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to B (score 87).
It changed hands recently, sold April 2025 for £195,000. Across 1997–2025, sale prices on this property compounded at 6% per year. Today's modelled estimate of £228,000 is 16.9% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£274/sq ft) was about 66% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Energy performance
EPC Rating
Certificate validity
Valid until 27 August 2034
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
42 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
Price for 42 Brython Drive has grown more than fourfold since the 1997 starting point.
£228,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 28 years.
£195,000
Growth on file: 6.0% per year over 28 years.
Sales timeline
27 April 2025Most recent
£195,000
+44.4%over 10 years2 February 2015
£135,000
+3.8%over 7 years19 September 2007
£130,000
+242.1%over 10 years3 April 1997
£38,000
Median price across the last 5 sales in CF3 0LR: £273,000 (2025–2024).
Nearby sales in CF3 0LR
55 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Nov 2025
£300,00067 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Sept 2025
£285,00013 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Jun 2025
£273,00045 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Mar 2025
£205,00035 Brython Drive, St Mellons, Cardiff, CF3 0LR
Sold Aug 2024
£250,000
Versus other Brython Drive homes
On years held, 42 Brython Drive runs well behind the street norm.
Price per m²
£2,955
Street avg £2,231
Floor Area
66 m²
Street avg 77 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
2.1 t/year
Street avg 3.0 t/year
Similar properties nearby
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1 Brython Drive, St Mellons
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The neighbourhood at a glance
Crime
242/mo
Falling 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.







