17 Acorn Place, Castleton, Cardiff, CF3 2WE
About 17 Acorn Place
17 Acorn Place is a detached house in Castleton, Cardiff, Cardiff (CF3 2WE). It has a recorded floor area of 133 m² (around 1432 sq ft), construction records dating it to 2012 onwards and council tax band G. The latest certificate (June 2026) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (April 2014); the latest reading is one band lower. Between certificates, wall efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Average. The recommended improvements would push it to B (score 84). This certificate was lodged in the last six months, so the rating reflects current condition.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £530,000 sits 53.6% above the 2014 sale of £345,000. On the market in April 2014 and unlisted since — roughly 12 years.
Energy performance
17 Acorn Place sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 21 June 2036
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Planning history
17 Acorn Place 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
17 Acorn Place valuation sits well clear of the typical sold price in this postcode.
£530,000
Modelled from EPC, postcode comparables.
£345,000
Recorded with HM Land Registry.
Sales timeline
16 April 2014Most recent
£345,000
Median price across the last 5 sales in CF3 2WE: £422,000 (2025–2014).
Nearby sales in CF3 2WE
5 Acorn Place, Castleton, Cardiff, CF3 2WE
Sold Jun 2025
£560,0002 Acorn Place, Castleton, Cardiff, CF3 2WE
Sold Feb 2023
£425,0007 Acorn Place, Castleton, Cardiff, CF3 2WE
Sold Jul 2017
£379,95010 Acorn Place, Castleton, Cardiff, CF3 2WE
Sold May 2017
£422,0001 Acorn Place, Castleton, Cardiff, CF3 2WE
Sold Jun 2014
£334,500
Versus other Acorn Place homes
Years Held for 17 Acorn Place runs comfortably ahead of the street norm.
Price per m²
£2,594
Street avg £2,640
Floor Area
133 m²
Street avg 149 m²
CO₂ Emissions
2.2 t/year
Street avg 2.0 t/year
Years Held
12 years
Street avg 10 years
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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
Sandy Lane Farm — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







