37 Merthyr Road, Tongwynlais, Cardiff, CF15 7LF
About 37 Merthyr Road
37 Merthyr Road is a mid-terrace house in Tongwynlais, Cardiff, Cardiff (CF15 7LF). It has a recorded floor area of 92 m² (around 990 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (October 2023) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 84), a 3-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement.
Energy performance
37 Merthyr Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has been extended more than once, we believe a Level 3 building survey should be considered.
From £885 · Includes VAT
Planning history
37 Merthyr Road 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
37 Merthyr Road has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£204,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in CF15 7LF: £237,500 (2024–2016).
Nearby sales in CF15 7LF
45 Merthyr Road, Tongwynlais, Cardiff, CF15 7LF
Sold Apr 2024
£220,00039 Merthyr Road, Tongwynlais, Cardiff, CF15 7LF
Sold May 2023
£237,50043 Merthyr Road, Tongwynlais, Cardiff, CF15 7LF
Sold Nov 2022
£310,00023 Merthyr Road, Tongwynlais, Cardiff, CF15 7LF
Sold Dec 2017
£180,0003 Merthyr Road, Tongwynlais, Cardiff, CF15 7LF
Sold May 2016
£295,000
Versus other Merthyr Road homes
EPC Rating for 37 Merthyr Road lags the street by a wide margin.
EPC Rating
54 (E)
Street avg 62 (D)
Floor Area
92 m²
Street avg 109 m²
CO₂ Emissions
5.4 t/year
Street avg 4.8 t/year
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
1 Catherine Drive, Tongwynlais
CF15 7JT
1 Castle Street, Taffs Well
CF15 7RL
1 Church Street, Taffs Well
CF15 7PG
1 Ffordd Y Felin, Old Caerphilly Road, Nantgarw
CF15 7TA
1 Anchor Street, Taffs Well
CF15 7RH
1 Beech Court, Catherine Drive, Tongwynlais
CF15 7JU
1 Abbey Close, Taffs Well
CF15 7RS
1 Castell Coch View, Tongwynlais
CF15 7LA
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
St Michael`s Close — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.







