17 Firstbrook Close, Cardiff, CF23 9ER
About 17 Firstbrook Close
17 Firstbrook Close is an end-of-terrace house in Cardiff (CF23 9ER). It has a recorded floor area of 78 m² (around 834 sq ft), construction records dating it to 1991-1995 and council tax band D. The latest certificate (March 2011) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 73). The latest certificate is from March 2011, so improvements made since then won't be reflected.
Held since August 2011 — that's 15 years off the open market, well above the local norm. Across 2007–2011, sale prices on this property compounded at 0.5% per year. Today's modelled estimate of £253,000 is 43.8% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£211/sq ft) was about 15.6% below the postcode norm.
Energy performance
17 Firstbrook 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This certificate is over 10 years old and is no longer valid.Expired 29 Mar 2021
EPC Rating
Certificate validity
Expired on 29 March 2021
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Planning history
17 Firstbrook Close has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
17 Firstbrook Close valuation sits well clear of the typical sold price in this postcode.
£253,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.5% per year over 4 years.
£176,000
Growth on file: 0.5% per year over 4 years.
Sales timeline
11 August 2011Most recent
£176,000
+2.3%over 4 years18 April 2007
£172,000
Median price across the last 5 sales in CF23 9ER: £252,000 (2026–2017).
Nearby sales in CF23 9ER
Versus other Firstbrook Close homes
17 Firstbrook Close is notably below the street on co₂ emissions.
Price per m²
£2,270
Street avg £3,164
Floor Area
78 m²
Street avg 75 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
4.0 t/year
Street avg 2.9 t/year
Similar properties nearby
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The neighbourhood at a glance
Crime
169/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Colchester Avenue — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







