12a, Willowbrook Gardens, St Mellons, Cardiff, CF3 0BF
About 12a
12a is a two-bedroom end-of-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0BF). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to 2003-2006 and council tax band D. The latest certificate (June 2015) shows a C (score 71). The recommended improvements would push it to B (score 85). The latest certificate is from June 2015, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
Most recent transfer: September 2021 at £186,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2006–2021, sale prices on this property compounded at 1.6% per year. Today's modelled estimate of £241,000 is 29.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£266/sq ft) was about 31.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenFront and rear
- DrivewayYes
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
12a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 28 Jun 2025
EPC Rating
Certificate validity
Expired on 28 June 2025
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Planning history
12a 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£241,000
Modelled from EPC, postcode comparables and a sale-price growth of 1.6% per year over 15 years.
£186,000
Growth on file: 1.6% per year over 15 years.
Sales timeline
16 September 2021Most recent
£186,000
+9.4%over 3 years19 August 2018
£170,000
+27.3%over 2 years22 October 2015
£133,500
-9.2%over 8 years26 October 2006
£146,950
Median price across the last 5 sales in CF3 0BF: £202,000 (2026–2023).
Nearby sales in CF3 0BF
62 Willowbrook Gardens, St Mellons, Cardiff, CF3 0BF
Sold Jan 2026
£232,50025 Willowbrook Gardens, St Mellons, Cardiff, CF3 0BF
Sold Aug 2024
£231,00013a, Willowbrook Gardens, St Mellons, Cardiff, CF3 0BF
Sold Jul 2024
£195,00014 Willowbrook Gardens, St Mellons, Cardiff, CF3 0BF
Sold Mar 2024
£202,00018 Willowbrook Gardens, St Mellons, Cardiff, CF3 0BF
Sold Dec 2023
£195,000
Versus other Willowbrook Gardens homes
EPC Rating for 12a lags the street by a wide margin.
Price per m²
£2,862
Street avg £2,396
Floor Area
65 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.1 t/year
Street avg 2.0 t/year
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Bishop Childs — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







