18 Roma House, Vellacott Close, Cardiff, CF10 4AQ
About 18 Roma House
18 Roma House is a semi-detached house in Cardiff (CF10 4AQ). It has a recorded floor area of 57 m² (around 614 sq ft), construction records dating it to 1996-2002 and council tax band E. At 57 m² this is the smallest unit on EPC record across the building (57–86 m²). The building's EPC ratings span C to B, with this unit at the bottom. The latest certificate (May 2020) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (March 2010); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
Across 2002–2022, sale prices on this property compounded at 2.1% per year. On a £-per-square-foot basis, the last sale (£286/sq ft) was about 43.9% above the typical sold price in the postcode. Sold May 2022 for £175,625. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Energy performance
18 Roma House's carbon output is low for the local stock.
EPC Rating
Certificate validity
Valid until 20 May 2030
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
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Planning history
18 Roma House 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
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£170,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.1% per year over 20 years.
£175,625
Growth on file: 2.1% per year over 20 years.
Sales timeline
31 May 2022Most recent
£175,625
+17.1%over 16 years3 August 2005
£149,950
+30.4%over 3 years28 March 2002
£114,950
Median price across the last 5 sales in CF10 4AQ: £182,500 (2026–2025).
Nearby sales in CF10 4AQ
3 Roma House, Vellacott Close, Cardiff, CF10 4AQ
Sold Mar 2026
£157,99926 Roma House, Vellacott Close, Cardiff, CF10 4AQ
Sold Dec 2025
£182,50029 Roma House, Vellacott Close, Cardiff, CF10 4AQ
Sold Aug 2025
£205,00016 Roma House, Vellacott Close, Cardiff, CF10 4AQ
Sold Jul 2025
£214,50013 Roma House, Vellacott Close, Cardiff, CF10 4AQ
Sold Apr 2025
£167,200
Versus other Vellacott Close homes
On floor area, 18 Roma House runs well behind the street norm.
Price per m²
£3,081
Street avg £2,473
Floor Area
57 m²
Street avg 66 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.4 t/year
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The neighbourhood at a glance
Crime
485/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Vellacott Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







