18 Bronllwyn, Pentyrch, Cardiff, CF15 9QL
About 18 Bronllwyn
18 Bronllwyn is a semi-detached house in Pentyrch, Cardiff, Cardiff (CF15 9QL). It has a recorded floor area of 95 m² (around 1020 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (January 2010) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. The latest certificate is from January 2010, so improvements made since then won't be reflected.
Untraded for 16 years, with the last transfer in May 2010. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £323,000 sits 95.8% above the 2010 sale of £165,000. One planning record on file: an extension approved in 2010. Past consents include an extension, meaningful when judging how the property has evolved.
Energy performance
18 Bronllwyn sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 20 Jan 2020
EPC Rating
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Planning history
18 Bronllwyn has an approved side and rear extension on the planning record.
1 application on record at 18 Bronllwyn, Pentyrch, Cardiff, CF15 9QL
- Aug 2010ExtensionFullOutcome in report
Extension: Side and rear of property
TWO STOREY REAR EXTENSION AND SINGLE STOREY SIDE AND REAR EXTENSION TOGETHER WITH ALTERATION WORKS
- Documents
- 1 doc on file
- Reference
- 10/01185/DCH
Unlock 18 Bronllwyn, Pentyrch, Cardiff, CF15 9QL's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 1 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
18 Bronllwyn valuation sits well clear of the typical sold price in this postcode.
£323,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
18 May 2010Most recent
£165,000
Median price across the last 5 sales in CF15 9QL: £277,500 (2024–2017).
Nearby sales in CF15 9QL
24 Bronllwyn, Pentyrch, Cardiff, CF15 9QL
Sold Sept 2024
£360,00023 Bronllwyn, Pentyrch, Cardiff, CF15 9QL
Sold Oct 2022
£405,0004 Bronllwyn, Pentyrch, Cardiff, CF15 9QL
Sold Jan 2019
£260,00036 Bronllwyn, Pentyrch, Cardiff, CF15 9QL
Sold Jul 2018
£277,50017 Bronllwyn, Pentyrch, Cardiff, CF15 9QL
Sold May 2017
£263,000
Versus other Bronllwyn homes
18 Bronllwyn outperforms the street on years held by a wide margin.
Price per m²
£1,741
Street avg £2,415
Floor Area
95 m²
Street avg 119 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.4 t/year
Street avg 4.4 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Bronllwyn — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







