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40 Carmarthen Street, Cardiff, CF5 1QG

Property type
Mid terrace
Habitable rooms
4
From EPC
Floor area
70 m²
750 sq ft
Energy rating
E
Score 42
Council tax
Band D
Tenure
Owner Occupied
Overview

About 40 Carmarthen Street

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

40 Carmarthen Street is a mid-terrace house in Cardiff (CF5 1QG). It has a recorded floor area of 70 m² (around 750 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (August 2010) shows an E (score 42), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 61). The latest certificate is from August 2010, so improvements made since then won't be reflected.

It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs). Across 2014–2020, sale prices on this property compounded at 3.1% per year. Today's modelled estimate of £258,000 is 38% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£249/sq ft) was about 46.4% above the typical sold price in the postcode. Most recent transfer: March 2020 at £187,000.

Before you decide

Everything you need to know about 40 Carmarthen Street

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

40 Carmarthen Street's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 17 Aug 2020

EPC Rating

A
B
C
D
E
E42
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Average
CO2 Emissions
6.0 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC EPre-1919 buildSolid (non-cavity) walls

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

Planning history

Applications and permits filed against 40 Carmarthen Street, Cardiff, CF5 1QG, sourced from the PlanIt planning register.

40 Carmarthen Street has no planning applications on record.

2

But the area is active

2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£258,000

Modelled from EPC, postcode comparables and a sale-price growth of 3.1% per year over 5 years.

See how we calculated this
Last sold (2020)

£187,000

Growth on file: 3.1% per year over 5 years.

Sales timeline

  1. 23 March 2020Most recent

    £187,000

    +17.6%over 5 years

  2. 28 November 2014

    £159,000

Median price across the last 5 sales in CF5 1QG: £260,000 (2022–2018).

On the street

Versus other Carmarthen Street homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

40 Carmarthen Street is notably below the street on epc rating.

Price per m²

£2,683

Street avg £2,470

On par

Floor Area

70 m²

Street avg 88 m²

Strongly below

Habitable Rooms

4 rooms

Street avg 4 rooms

On par

CO₂ Emissions

6.0 t/year

Street avg 3.9 t/year

Strongly below
Before you decide

Everything you need to know about 40 Carmarthen Street

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£285k

1 Aubrey Avenue

CF5 1AQ

2 bed
£298k

1 Anglesey Mews, Anglesey Street

CF5 1AW

£303k

1 Aldsworth Road

CF5 1AA

3 bed1 bath
£320k

1 Bassett Street

CF5 1PP

3 bed1 bath
£322k

1 Carmarthen Street

CF5 1QG

£205k

1 Dulwich Gardens

CF5 1SE

3 bed
£202k

1 Daisy Street

CF5 1EP

£198k

1 Cwrt Y Bragdy, Radnor Road

CF5 1DA

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Cardiff district page.
Full Cardiff report

Crime

6/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Carmarthen Street — bus stop.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 40 Carmarthen Street, Cardiff, CF5 1QG. Each answer is also embedded as structured data for search engines.