9 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY
About 9 Heol Y Bryn
9 Heol Y Bryn is a three-bedroom end-of-terrace house in Pentyrch, Cardiff, Cardiff (CF15 9PY). It has a recorded floor area of 38 m² (around 409 sq ft), construction records dating it to 1996-2002 and council tax band D. The latest certificate (January 2023) shows an E (score 46), well below the UK norm with real room to improve. Earlier certificates rated it D (February 2019); the latest reading is one band lower. Between certificates, wall efficiency went from Average to Good, window efficiency went from Average to Good and lighting went from Good to Very Good; while hot-water efficiency dropped from Good to Average and main heating dropped from Good to Very Poor. The recommended improvements would lift it to B (score 90), a 3-band jump. Main heating runs on electricity. Other recorded features include a conservatory.
At 38 m² it sits well below the postcode median (64 m² across 12 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2019. Past consents include an extension, meaningful when judging how the property has evolved. Across 2006–2019, sale prices on this property compounded at 2.8% per year. Today's modelled estimate of £338,000 is 20.7% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£685/sq ft) was about 309.4% above the typical sold price in the postcode. Sold June 2019 for £280,000.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- ConservatoryYes
Outside
- Private gardenRear
Building
- RefurbishedYes
Energy performance
9 Heol Y Bryn sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water system changed
Window efficiency improved
Wall insulation improved
Floor insulation added or improved
More low energy lighting installed
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Planning history
9 Heol Y Bryn has an approved side extension on the planning record.
1 application on record at 9 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY
- Dec 2019ExtensionFullOutcome in report
Extension: Side of property
ALTERATIONS TO EXISTING SIDE TWO STOREY EXTENSION TO FORM SEPARATE UNIT TO MAIN HOUSE. NEW FRONT ENTRANCES TO BOTH UNITS.
- Documents
- 11 docs on file
- Reference
- 19/02006/MNR
Unlock 9 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 11 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9 Heol Y Bryn valuation sits well clear of the typical sold price in this postcode.
£338,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.8% per year over 13 years.
£280,000
Growth on file: 2.8% per year over 13 years.
Sales timeline
16 June 2019Most recent
£280,000
+43.6%over 12 years28 June 2006
£195,000
Median price across the last 5 sales in CF15 9PY: £230,000 (2024–2006).
Nearby sales in CF15 9PY
11 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY
Sold Apr 2024
£302,5001 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY
Sold Dec 2006
£125,00027 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY
Sold May 2006
£157,50023 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY
Sold Aug 2003
£67,00013 Heol Y Bryn, Pentyrch, Cardiff, CF15 9PY
Sold Jul 2002
£108,000
Versus other Heol Y Bryn homes
Price per m² for 9 Heol Y Bryn runs comfortably ahead of the street norm.
Price per m²
£7,368
Street avg £2,196
Floor Area
38 m²
Street avg 86 m²
Habitable Rooms
2 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 3.7 t/year
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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
Pentyrch Cemetery — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







