11 Boswell Close, Llanrumney, Cardiff, CF3 5NY
About 11 Boswell Close
11 Boswell Close is a two-bedroom end-of-terrace house in Llanrumney, Cardiff, Cardiff (CF3 5NY). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (July 2024) returns a B (score 81), comfortably above the UK average. When first surveyed in June 2009 the rating was E, the property has climbed 3 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Poor to Very Good and main heating went from Average to Good; while roof efficiency dropped from Average to Poor.
Untraded for 17 years, with the last transfer in September 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. On energy efficiency it sits in the top 10% of properties in this postcode. Across 2001–2009, sale prices on this property compounded at 10.6% per year. Today's modelled estimate of £159,000 sits 101.3% above the 2009 sale of £79,000.
What this property has
Inside
- Bedrooms2
Energy performance
11 Boswell Close ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Hot water system upgraded
Heating controls upgraded for better temperature management
Hot water efficiency improved
Roof insulation improved
Low energy lighting percentage decreased
Solar PV panels (35 kWp) installed
Get a survey for this property
Level 2 HomeBuyer Report
We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.
From £495 · Includes VAT
Planning history
11 Boswell 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
11 Boswell Close has more than doubled in price since the earliest registered sale in 2001.
£159,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.6% per year over 9 years.
£79,000
Growth on file: 10.6% per year over 9 years.
Sales timeline
28 September 2009Most recent
£79,000
+139.8%over 8 years26 January 2001
£32,950
Median price across the last 5 sales in CF3 5NY: £80,000 (2023–2003).
Nearby sales in CF3 5NY
7 Boswell Close, Llanrumney, Cardiff, CF3 5NY
Sold Jan 2023
£185,0003 Boswell Close, Llanrumney, Cardiff, CF3 5NY
Sold Nov 2014
£82,0005 Boswell Close, Llanrumney, Cardiff, CF3 5NY
Sold Feb 2014
£80,0008 Boswell Close, Llanrumney, Cardiff, CF3 5NY
Sold Jun 2010
£80,0009 Boswell Close, Llanrumney, Cardiff, CF3 5NY
Sold Dec 2003
£74,950
Versus other Boswell Close homes
On epc rating, 11 Boswell Close stands well clear of the street.
Price per m²
£1,068
Street avg £1,305
Floor Area
74 m²
Street avg 77 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
1.6 t/year
Street avg 2.5 t/year
Similar properties nearby
1 Captain S View, Braunton Crescent, Llanrumney
CF3 5AD
1 Bluebell Drive
CF3 5RA
1 Bronte Close, Llanrumney
CF3 5PN
1 Banwell Place, Llanrumney
CF3 5SH
1 Axbridge Crescent, Llanrumney
CF3 5TJ
1 Brendon Close, Llanrumney
CF3 5RJ
1 Chapel Row Lane, Old St Mellons
CF3 5ST
1 Boswell Close, Llanrumney
CF3 5NY
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
3/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Siloam Baptist — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







