6 Mathias Close, Penylan, Cardiff, CF23 9BE
About 6 Mathias Close
6 Mathias Close is a two-bedroom mid-terrace house in Penylan, Cardiff, Cardiff (CF23 9BE). It has a recorded floor area of 58 m² (around 624 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (January 2023) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2012. Between certificates, roof efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
Across 1996–2023, sale prices on this property compounded at 5.5% per year. Today's modelled estimate of £255,000 is 10.9% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£368/sq ft) was about 56.4% above the typical sold price in the postcode. Most recent transfer: June 2023 at £230,000.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- DrivewayYes
Building
- RefurbishedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £545 · Includes VAT
Planning history
6 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
Price for 6 Mathias Close has grown more than fourfold since the 1996 starting point.
£255,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 27 years.
£230,000
Growth on file: 5.5% per year over 27 years.
Sales timeline
15 June 2023Most recent
£230,000
+43.8%over 10 years2 June 2013
£160,000
+6.7%over 6 years25 April 2007
£149,950
+30.4%over 3 years19 December 2003
£115,000
+64.3%over 3 years16 July 2000
£70,000
+32.2%over 4 years25 March 1996
£52,950
Median price across the last 5 sales in CF23 9BE: £242,500 (2025–2019).
Nearby sales in CF23 9BE
1 Mathias Close, Penylan, Cardiff, CF23 9BE
Sold May 2025
£271,9504 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
£225,75022 Mathias Close, Penylan, Cardiff, CF23 9BE
Sold Nov 2019
£242,500
Versus other Mathias Close homes
Years Held for 6 Mathias Close lags the street by a wide margin.
Price per m²
£3,966
Street avg £3,195
Floor Area
58 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.7 t/year
Street avg 2.3 t/year
Similar properties nearby
1 Kingwood Close, Penylan
CF23 9HE
1 Bryn Y Nant, Llanedeyrn
CF23 9NZ
1 Firstbrook Close
CF23 9ER
1 Hugon Close
CF23 9BY
1 Eastside Quarter, Maelfa, Llanedeyrn
CF23 9PN
1 Howardian Close, Penylan
CF23 9AG
1 Ferny Court, Waterloo Road, Penylan
CF23 9BU
1 Grafton Close, Penylan
CF23 9JA
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.







