12 Glynne Street, Cardiff, CF11 9NS
About 12 Glynne Street
12 Glynne Street is a two-bedroom mid-terrace house in Cardiff (CF11 9NS). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (January 2026) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2014. Between certificates, wall efficiency went from Very Poor to Poor; while window efficiency dropped from Good to Poor and lighting dropped from Good to Poor. The recommended improvements would push it to C (score 77). This certificate was lodged in the last six months, so the rating reflects current condition.
Untraded for 26 years, with the last transfer in April 2000. Across 1997–2000, sale prices on this property compounded at 12.7% per year. Today's modelled estimate of £295,000 sits 304.1% above the 2000 sale of £73,000. On a £-per-square-foot basis, the last sale (£106/sq ft) was about 45.2% below the postcode norm.
What this property has
Inside
- Bedrooms2
Outside
- GarageYes
Building
- ConciergeYes
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
12 Glynne Street has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Glynne Street's modelled value sits at over four times its earliest registered sale price (1997).
£295,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.7% per year over 2 years.
£73,000
Growth on file: 12.7% per year over 2 years.
Sales timeline
27 April 2000Most recent
£73,000
+32.8%over 2 years12 December 1997
£54,950
Median price across the last 5 sales in CF11 9NS: £295,000 (2025–2024).
Nearby sales in CF11 9NS
Versus other Glynne Street homes
12 Glynne Street outperforms the street on years held by a wide margin.
Price per m²
£1,141
Street avg £2,712
Floor Area
64 m²
Street avg 71 m²
Habitable Rooms
3 rooms
Street avg 4 rooms
CO₂ Emissions
2.3 t/year
Street avg 3.3 t/year
Similar properties nearby
1 Llandaff Road
CF11 9NF
1 Glynne Street
CF11 9NS
1 Gileston Road
CF11 9JS
1 Iestynian Avenue
CF11 9HU
1 Cwrt Soffia, Cathedral Road
CF11 9AY
1 Cwrt Penhill, Penhill Road
CF11 9SN
1 Gwern Hafren, Severn Grove
CF11 9EY
1 Clos Dewi Sant, Canton
CF11 9EW
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Glynne Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







