10 Chapel Row, Old St Mellons, Cardiff, CF3 5UB
About 10 Chapel Row
10 Chapel Row is a three-bedroom semi-detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5UB). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1983-1990 and council tax band D. The latest certificate (June 2026) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2013. Between certificates, wall efficiency went from Poor to Good and roof efficiency went from Poor to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 70). This certificate was lodged in the last six months, so the rating reflects current condition.
Across 2014–2021, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £316,000 is 16% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£246/sq ft) was about 29.9% above the typical sold price in the postcode. Most recent transfer: August 2021 at £272,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff road
Building
- RefurbishedYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 11 June 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
MVHR (mechanical ventilation with heat recovery) installed
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Planning history
10 Chapel Row has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
10 Chapel Row saw 3 transfers in just over a decade — high turnover for the postcode.
£316,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 8 years.
£272,500
Growth on file: 6.1% per year over 8 years.
Sales timeline
26 August 2021Most recent
£272,500
+20.6%over 4 years10 March 2017
£226,000
+30.3%over 3 years31 January 2014
£173,500
Median price across the last 5 sales in CF3 5UB: £232,500 (2025–2021).
Nearby sales in CF3 5UB
6 Chapel Row, Old St Mellons, Cardiff, CF3 5UB
Sold Sept 2025
£177,50011 Chapel Row, Old St Mellons, Cardiff, CF3 5UB
Sold Feb 2025
£245,0009 Chapel Row, Old St Mellons, Cardiff, CF3 5UB
Sold Jul 2022
£232,50012 Chapel Row, Old St Mellons, Cardiff, CF3 5UB
Sold Mar 2022
£288,950Welland House, Chapel Row, Old St Mellons, Cardiff, CF3 5UB
Sold Mar 2021
£382,500
Versus other Chapel Row homes
10 Chapel Row outperforms the street on co₂ emissions by a wide margin.
Price per m²
£2,646
Street avg £2,519
Floor Area
103 m²
Street avg 101 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 4.3 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
242/mo
Falling year-on-year across the wider district.
Nearest stop
0.1 km
Tarwick Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







