11 Grants Close, Tongwynlais, Cardiff, CF15 7NG
About 11 Grants Close
11 Grants Close is a four-bedroom detached house in Tongwynlais, Cardiff, Cardiff (CF15 7NG). It has a recorded floor area of 155 m² (around 1668 sq ft), construction records dating it to 2007-2011 and council tax band F. The latest certificate (October 2021) shows a C (score 78), near the top of the C band. Earlier certificates rated it B (August 2010); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 86). Other recorded features include notable views. Records show the property has been extended at some point in its history.
At 155 m² it's 24% larger than the typical home in the postcode (125 m² median across 22 EPCs). Across 2010–2022, sale prices on this property compounded at 3.3% per year. Today's modelled estimate of £451,000 is 17.1% above the 2022 sale price. Most recent transfer: February 2022 at £385,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Open-plan layoutYes
- Dining roomYes
- Utility roomYes
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff road
- Notable viewsYes
Building
- Previously extendedYes
Energy performance
EPC Rating
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Planning history
11 Grants 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
Latest sale on 11 Grants Close was the highest on Land Registry record across the postcode.
£451,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 11 years.
£385,000
Growth on file: 3.3% per year over 11 years.
Sales timeline
4 February 2022Most recent
£385,000
+45.3%over 11 years9 September 2010
£265,000
Median price across the last 5 sales in CF15 7NG: £279,950 (2021–2017).
Nearby sales in CF15 7NG
18 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Mar 2021
£279,95027 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Jul 2018
£330,00012 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Oct 2017
£327,50019 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold May 2017
£255,00025 Grants Close, Tongwynlais, Cardiff, CF15 7NG
Sold Mar 2017
£263,000
Versus other Grants Close homes
Years Held for 11 Grants Close lags the street by a wide margin.
Price per m²
£2,484
Street avg £2,351
Floor Area
155 m²
Street avg 119 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
3.3 t/year
Street avg 2.7 t/year
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The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Iron Bridge — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







