15 Caspian Close, St Mellons, Cardiff, CF3 0BQ
About 15 Caspian Close
15 Caspian Close is a two-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0BQ). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (May 2014) shows a D (score 56), a step below the typical UK home. The recommended improvements would push it to C (score 80). The latest certificate is from May 2014, so improvements made since then won't be reflected. Other recorded features include attached land beyond the plot. Our model identifies extension potential, subject to local planning policy.
One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). On a £-per-square-foot basis, the last sale (£320/sq ft) was about 90.5% above the typical sold price in the postcode. Sold May 2022 for £186,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms2
- Bathrooms1
Outside
- ParkingOff road
- LandYes
Building
- Extension potentialPossible
Energy performance
15 Caspian Close'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This certificate is over 10 years old and is no longer valid.Expired 05 May 2024
EPC Rating
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Planning history
15 Caspian Close has an approved extension on the planning record.
1 application on record at 15 Caspian Close, St Mellons, Cardiff, CF3 0BQ
- Sept 2022ExtensionFullOutcome in report
TWO STOREY SIDE EXTENSION SINGLE STOREY REAR EXTENSION
- Documents
- 3 docs on file
- Reference
- 22/01464/DCH
Unlock 15 Caspian Close, St Mellons, Cardiff, CF3 0BQ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 3 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 15 Caspian Close was the highest on Land Registry record across the postcode.
£195,000
Modelled from EPC, postcode comparables.
£186,000
Recorded with HM Land Registry.
Sales timeline
30 May 2022Most recent
£186,000
Median price across the last 5 sales in CF3 0BQ: £165,000 (2025–2021).
Nearby sales in CF3 0BQ
12 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Jul 2025
£171,50014 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Dec 2024
£165,00021 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Dec 2023
£165,0005 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Feb 2022
£158,00020 Caspian Close, St Mellons, Cardiff, CF3 0BQ
Sold Dec 2021
£169,595
Versus other Caspian Close homes
15 Caspian Close outperforms the street on price per m² by a wide margin.
Price per m²
£3,444
Street avg £2,147
Floor Area
54 m²
Street avg 58 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.9 t/year
Street avg 2.0 t/year
Similar properties nearby
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Coleford Drive — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







