13 Mathias Close, Penylan, Cardiff, CF23 9BE
About 13 Mathias Close
13 Mathias Close is a three-bedroom end-of-terrace house in Penylan, Cardiff, Cardiff (CF23 9BE). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (May 2019) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump. Other recorded features include a conservatory.
Held since September 2003 — that's 23 years off the open market, well above the local norm. Across 1998–2003, sale prices on this property compounded at 16.2% per year. Today's modelled estimate of £290,000 sits 100% above the 2003 sale of £145,000. On a £-per-square-foot basis, the last sale (£190/sq ft) was about 21% below the postcode norm. At 71 m² it's 24.6% larger than the typical home in the postcode (57 m² median across 16 EPCs).
What this property has
Inside
- Bedrooms3
- Bathrooms1
- ConservatoryYes
Outside
- GarageYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
13 Mathias Close has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Sale price has at least doubled since 1998.
£290,000
Modelled from EPC, postcode comparables and a sale-price growth of 16.2% per year over 5 years.
£145,000
Growth on file: 16.2% per year over 5 years.
Sales timeline
18 September 2003Most recent
£145,000
+107.1%over 4 years12 November 1998
£70,000
Median price across the last 5 sales in CF23 9BE: £230,000 (2025–2021).
Nearby sales in CF23 9BE
1 Mathias Close, Penylan, Cardiff, CF23 9BE
Sold May 2025
£271,9506 Mathias Close, Penylan, Cardiff, CF23 9BE
Sold Jun 2023
£230,0004 Mathias Close, Penylan, Cardiff, CF23 9BE
Sold Feb 2023
£230,00021 Mathias Close, Penylan, Cardiff, CF23 9BE
Sold Sept 2022
£305,00015 Mathias Close, Penylan, Cardiff, CF23 9BE
Sold Oct 2021
£225,750
Versus other Mathias Close homes
On co₂ emissions, 13 Mathias Close runs well behind the street norm.
Price per m²
£2,042
Street avg £3,343
Floor Area
71 m²
Street avg 59 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.2 t/year
Similar properties nearby
1 Kingwood Close, Penylan
CF23 9HE
1 Firstbrook Close
CF23 9ER
1 Hugon Close
CF23 9BY
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Earl S Court Road, Penylan
CF23 9DD
1 Ffordd Nowell, Penylan
CF23 9FA
1 Grafton Close, Penylan
CF23 9JA
1 Howardian Close, Penylan
CF23 9AG
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Colchester Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







