18 Eddystone Close, Cardiff, CF11 8EB
About 18 Eddystone Close
18 Eddystone Close is an end-of-terrace house in Cardiff (CF11 8EB). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1976-1982 and council tax band D. At 90 m² this is the 17th smallest of 20 units on EPC record in the building, where floor areas span 45–159 m². The building's EPC ratings span E to B, with this unit at the bottom. The latest certificate (May 2021) shows an E (score 51), well below the UK norm with real room to improve. Earlier certificates rated it C (June 2009); the latest reading is 2 bands lower. Between certificates, lighting went from Poor to Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Very Poor. The recommended improvements would lift it to C (score 80), a 2-band jump. Main heating runs on electricity.
At 90 m² the property is well over the postcode median (68 m² across 19 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
18 Eddystone Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water system changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
18 Eddystone Close 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
18 Eddystone Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£215,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF11 8EB: £180,000 (2025–2022).
Nearby sales in CF11 8EB
Versus other Eddystone Close homes
Floor Area for 18 Eddystone Close runs comfortably ahead of the street norm.
EPC Rating
51 (E)
Street avg 69 (D)
Floor Area
90 m²
Street avg 61 m²
CO₂ Emissions
3.9 t/year
Street avg 2.8 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Eddystone Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







