9 Mathias Close, Penylan, Cardiff, CF23 9BE
About 9 Mathias Close
9 Mathias Close is a two-bedroom end-of-terrace house in Penylan, Cardiff, Cardiff (CF23 9BE). It has a recorded floor area of 56 m² (around 603 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (July 2019) shows a C (score 70). The recommended improvements would push it to B (score 87).
Held since May 2006 — that's 20 years off the open market, well above the local norm. Across 1997–2006, sale prices on this property compounded at 11% per year. Today's modelled estimate of £239,000 sits 68.3% above the 2006 sale of £142,000.
What this property has
Inside
- Bedrooms2
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
EPC Rating
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Planning history
9 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
9 Mathias Close has more than doubled in price since the earliest registered sale in 1997.
£239,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.0% per year over 9 years.
£142,000
Growth on file: 11.0% per year over 9 years.
Sales timeline
25 May 2006Most recent
£142,000
+136.9%over 7 years8 October 1998
£59,950
+11.7%over 1 year31 January 1997
£53,650
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
9 Mathias Close is notably below the street on habitable rooms.
Price per m²
£2,536
Street avg £3,305
Floor Area
56 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.3 t/year
Similar properties nearby
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Kingwood Close, Penylan
CF23 9HE
1 Firstbrook Close
CF23 9ER
1 Hugon Close
CF23 9BY
1 Ferny Court, Waterloo Road, Penylan
CF23 9BU
1 Eastside Quarter, Maelfa, Llanedeyrn
CF23 9PN
1 Earl S Court Road, Penylan
CF23 9DD
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.







