27 Cymmer Street, Cardiff, CF11 7AB
About 27 Cymmer Street
27 Cymmer Street is a three-bedroom mid-terrace house in Cardiff (CF11 7AB). It has a recorded floor area of 106 m² (around 1141 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (January 2026) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since February 2013. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and lighting went from Average to Good; while window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 75). This certificate was lodged in the last six months, so the rating reflects current condition.
Last sale on file: £270,000 in September 2021. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. At 106 m² it's 24% larger than the typical home in the postcode (86 m² median across 28 EPCs). Across 2002–2021, sale prices on this property compounded at 4.1% per year. Today's modelled estimate of £321,000 is 18.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£237/sq ft) was about 54% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenRear
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Wall insulation improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, has been extended more than once, and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
27 Cymmer Street has no planning applications on record.
But the area is active
8 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
27 Cymmer Street has more than doubled in price since the earliest registered sale in 2002.
£321,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 19 years.
£270,000
Growth on file: 4.1% per year over 19 years.
Sales timeline
2 September 2021Most recent
£270,000
+61.7%over 6 years18 February 2015
£167,000
-10.0%over 7 years2 November 2007
£185,500
+46.6%over 5 years1 October 2002
£126,500
Median price across the last 5 sales in CF11 7AB: £232,500 (2024–2019).
Nearby sales in CF11 7AB
Versus other Cymmer Street homes
CO₂ Emissions for 27 Cymmer Street runs comfortably ahead of the street norm.
Price per m²
£2,547
Street avg £1,809
Floor Area
106 m²
Street avg 115 m²
Habitable Rooms
6 rooms
Street avg 6 rooms
CO₂ Emissions
3.1 t/year
Street avg 5.2 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Cymmer Street — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







