11 Chester Close, St Mellons, Cardiff, CF3 0EP
About 11 Chester Close
11 Chester Close is a three-bedroom semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0EP). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1991-1995 and council tax band C. The latest certificate (June 2026) shows a C (score 72). When first surveyed in November 2013 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Average to Good and hot-water efficiency went from Poor to Good. This certificate was lodged in the last six months, so the rating reflects current condition. The home occupies a cul-de-sac position.
Across 1999–2015, sale prices on this property compounded at 6.5% per year. Today's modelled estimate of £242,000 sits 77.9% above the 2015 sale of £136,000. At 81 m² it's 22.7% larger than the typical home in the postcode (66 m² median across 10 EPCs). Last sold in April 2015, so it's been off the market for around 11 years.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
Outside
- ParkingOff road
- Cul-de-sacYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Certificate validity
Valid until 18 June 2036
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation upgraded
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 2 HomeBuyer Report
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Planning history
11 Chester 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
11 Chester Close has more than doubled in price since the earliest registered sale in 1999.
£242,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.5% per year over 16 years.
£136,000
Growth on file: 6.5% per year over 16 years.
Sales timeline
30 April 2015Most recent
£136,000
+37.4%over 11 years4 September 2003
£99,000
+100.0%over 4 years5 April 1999
£49,500
Median price across the last 5 sales in CF3 0EP: £180,000 (2026–2020).
Nearby sales in CF3 0EP
6 Chester Close, St Mellons, Cardiff, CF3 0EP
Sold Mar 2026
£240,00012 Chester Close, St Mellons, Cardiff, CF3 0EP
Sold Feb 2025
£180,00014 Chester Close, St Mellons, Cardiff, CF3 0EP
Sold Feb 2024
£193,3257 Chester Close, St Mellons, Cardiff, CF3 0EP
Sold Nov 2022
£160,0005 Chester Close, St Mellons, Cardiff, CF3 0EP
Sold Jan 2020
£175,000
Versus other Chester Close homes
11 Chester Close outperforms the street on floor area by a wide margin.
Price per m²
£1,679
Street avg £2,375
Floor Area
81 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.0 t/year
Street avg 2.5 t/year
Similar properties nearby
1 Brython Drive, St Mellons
CF3 0LR
1 Chervil Close, St Mellons
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1 Aston Place, St Mellons
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1 Cathcob Close, St Mellons
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1 Chartley Close, St Mellons
CF3 0SD
1 Caradoc Close, St Mellons
CF3 0LQ
1 Ashdown Close, St Mellons
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1 Aster 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
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.







