13 Sheerwater Close, St Mellons, Cardiff, CF3 0DB
About 13 Sheerwater Close
13 Sheerwater Close is a detached house in St. Mellons, Cardiff, Cardiff (CF3 0DB). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1976-1982 and council tax band E. The latest certificate (November 2022) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 81), a 2-band jump.
A recent sale: £305,000 in December 2025. At 104 m² it's 26.8% larger than the typical home in the postcode (82 m² median across 7 EPCs). Today's modelled estimate of £342,000 is 12.1% above the 2025 sale price. On a £-per-square-foot basis, the last sale (£272/sq ft) was about 41.2% above the typical sold price in the postcode.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 22 November 2032
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Planning history
13 Sheerwater Close 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
Latest sale on 13 Sheerwater Close was the highest on Land Registry record across the postcode.
£342,000
Modelled from EPC, postcode comparables.
£305,000
Recorded with HM Land Registry.
Sales timeline
18 December 2025Most recent
£305,000
Median price across the last 5 sales in CF3 0DB: £230,000 (2025–2017).
Nearby sales in CF3 0DB
11 Sheerwater Close, St Mellons, Cardiff, CF3 0DB
Sold Jun 2025
£295,0007 Sheerwater Close, St Mellons, Cardiff, CF3 0DB
Sold Jun 2024
£250,00012 Sheerwater Close, St Mellons, Cardiff, CF3 0DB
Sold Mar 2021
£230,0005 Sheerwater Close, St Mellons, Cardiff, CF3 0DB
Sold Dec 2018
£153,0009 Sheerwater Close, St Mellons, Cardiff, CF3 0DB
Sold Apr 2017
£202,000
Versus other Sheerwater Close homes
Years Held for 13 Sheerwater Close lags the street by a wide margin.
Price per m²
£2,933
Street avg £2,596
Floor Area
104 m²
Street avg 78 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
CO₂ Emissions
4.6 t/year
Street avg 2.9 t/year
Similar properties nearby
1 Brown Court, St Mellons
CF3 0RP
1 Alderwood Close, St Mellons
CF3 0BW
1 Aster Close, St Mellons
CF3 0JB
1 Bassaleg Close, St Mellons
CF3 0HN
1 Burreed Close
CF3 0RL
1 Aston Place, St Mellons
CF3 0PH
1 Brython Drive, St Mellons
CF3 0LR
1 Brynmawr Close, St Mellons
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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
Sanderling Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







