42 Glyn Rhosyn, Cardiff, CF23 7DR
About 42 Glyn Rhosyn
42 Glyn Rhosyn is a three-bedroom semi-detached house in Cardiff (CF23 7DR). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (September 2022) shows a C (score 69), just inside the C band. When first surveyed in July 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, window efficiency went from Poor to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 86).
Across 2010–2023, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £278,000 is 10.3% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£260/sq ft) was about 71.6% above the typical sold price in the postcode. Last sale on file: £252,000 in March 2023.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenYes
- GarageYes
Energy performance
EPC Rating
Certificate validity
Valid until 26 September 2032
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
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Planning history
42 Glyn Rhosyn has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
42 Glyn Rhosyn valuation sits well clear of the typical sold price in this postcode.
£278,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 13 years.
£252,000
Growth on file: 4.3% per year over 13 years.
Sales timeline
24 March 2023Most recent
£252,000
+40.0%over 3 years5 September 2019
£180,000
+22.5%over 9 years17 June 2010
£146,950
Median price across the last 5 sales in CF23 7DR: £305,000 (2025–2022).
Versus other Glyn Rhosyn homes
42 Glyn Rhosyn is notably below the street on years held.
Price per m²
£2,800
Street avg £1,932
Floor Area
90 m²
Street avg 98 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.2 t/year
Street avg 3.4 t/year
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The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Ty Cerrig — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







