Bonvilston Hall, Bonvilston, Cardiff, CF5 6TQ
About Bonvilston Hall
Bonvilston Hall is a detached house in Bonvilston, Cardiff, Cardiff (CF5 6TQ). It has a recorded floor area of 434 m² (around 4666 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (April 2011) shows a C (score 70). The latest certificate is from April 2011, so improvements made since then won't be reflected.
At 434 m² the property is well over the postcode median (93 m² across 6 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. A recent sale: £1,725,000 in August 2025. Across 1998–2025, sale prices on this property compounded at 6.1% per year. On a £-per-square-foot basis, the last sale (£370/sq ft) was about 81.9% above the typical sold price in the postcode.
Energy performance
Bonvilston Hall ranks among the most efficient homes in the postcode for energy use.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 17 Apr 2021
EPC Rating
Certificate validity
Expired on 17 April 2021
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and is a large detached home over 300m², we believe a Level 3 building survey should be considered.
From £1,795 · Includes VAT
Planning history
Bonvilston Hall has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Bonvilston Hall has more than quadrupled in price since its earliest registered sale in 1998.
£1,650,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 27 years.
£1,725,000
Growth on file: 6.1% per year over 27 years.
Sales timeline
28 August 2025Most recent
£1,725,000
+11.3%over 3 years30 September 2021
£1,550,000
+355.9%over 23 years7 June 1998
£340,000
Median price across the last 5 sales in CF5 6TQ: £750,000 (2025–2023).
Nearby sales in CF5 6TQ
Pantyffynonau, Bonvilston, Cardiff, CF5 6TQ
Sold Nov 2025
£688,000Redlands Court Farm, Bonvilston, Cardiff, CF5 6TQ
Sold May 2025
£2,000,000Haldons Cottage, Bonvilston, Cardiff, CF5 6TQ
Sold Oct 2024
£440,000Bonvilla, Bonvilston, Cardiff, CF5 6TQ
Sold Jul 2024
£750,000Pen Bedw, Bonvilston, Cardiff, CF5 6TQ
Sold Jun 2023
£790,000
Versus the street
On epc rating, Bonvilston Hall stands well clear of the street.
EPC Rating
70 (C)
Street avg 56 (D)
Floor Area
434 m²
Street avg 119 m²
CO₂ Emissions
13.0 t/year
Street avg 5.2 t/year
Habitable Rooms
11 rooms
Street avg 5 rooms
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The neighbourhood at a glance
Crime
426/mo
Steady year-on-year across the wider district.
Nearest stop
0.5 km
Pen-yr-Heol House — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







