11 Southminster Road, Cardiff, CF23 5AT
About 11 Southminster Road
11 Southminster Road is a four-bedroom end-of-terrace house in Cardiff (CF23 5AT). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (June 2021) shows a C (score 74). When first surveyed in May 2011 the rating was E, the property has climbed 2 bands since. Between certificates, window efficiency went from Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to B (score 84). Records show the property has been extended at some point in its history.
One planning record on file: an extension approved in 2012. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. At 163 m² it's 21.6% larger than the typical home in the postcode (134 m² median across 23 EPCs). Across 2011–2021, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £597,000 is 17.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£291/sq ft) was about 61.1% above the typical sold price in the postcode. Most recent transfer: September 2021 at £510,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms1
- Dining roomYes
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenYes
- DrivewayYes
Building
- Central heatingYes
- Previously extendedYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
1 application on record at 11 Southminster Road, Cardiff, CF23 5AT
- Jul 2012DemolitionFullOutcome in report
Extension: Two storey · Side of property
DEMOLISH EXISTING GARAGE & CONSTRUCT NEW DOUBLE STOREY SIDE EXTENSION
Extension- Documents
- 8 docs on file
- Reference
- 12/00832/DCH
Unlock 11 Southminster Road, Cardiff, CF23 5AT's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 1 notable nearby
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
Sale price has at least doubled since 2011.
£597,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.3% per year over 10 years.
£510,000
Growth on file: 7.3% per year over 10 years.
Sales timeline
14 September 2021Most recent
£510,000
+104.0%over 10 years18 August 2011
£250,000
Median price across the last 5 sales in CF23 5AT: £517,500 (2025–2022).
Nearby sales in CF23 5AT
Versus other Southminster Road homes
Floor Area for 11 Southminster Road runs comfortably ahead of the street norm.
Price per m²
£3,129
Street avg £2,655
Floor Area
163 m²
Street avg 134 m²
Habitable Rooms
7 rooms
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 5.3 t/year
Similar properties nearby
1 Clos Edno
CF23 5NF
1 Clos Derwen
CF23 5HJ
1 Bronwydd Close
CF23 5RA
1 Beatty Avenue
CF23 5QR
1 Crystal Avenue
CF23 5QJ
1 Balaclava Road
CF23 5BB
1 Clos Tecwyn
CF23 5ND
1 Boverton Street
CF23 5ES
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
9/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Stacey Road — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







