Skip to content
UK Property Looker

9 Clos Cas Bach, St Mellons, Cardiff, CF3 0AU

EPC B2 planning records
Property type
Semi-detached
Habitable rooms
4
From EPC
Floor area
94 m²
1012 sq ft
Energy rating
B
Score 86
Council tax
Band B
Tenure
Social Rental
Get directions (opens in a new tab)
Overview

About 9 Clos Cas Bach

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

9 Clos Cas Bach is a semi-detached house in St. Mellons, Cardiff, Cardiff (CF3 0AU). It has a recorded floor area of 94 m² (around 1012 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (February 2026) returns a high B (score 86), putting the home a stone's throw from an A rating. The rating has held steady at B across 2 certificates since July 2012. Between certificates, roof efficiency went from Good to Very Good. This certificate was lodged in the last six months, so the rating reflects current condition.

At 94 m² the property is well over the postcode median (65 m² across 11 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.

Before you decide

Everything you need to know about 9 Clos Cas Bach

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

Pick your report · from £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.

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 2)
Feb 2026

EPC Rating

A
B
B86
C
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.9 t/year
Occupancy
Rented

Certificate validity

Valid until 23 February 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Feb 2026from Jul 2012
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
50%100%

More low energy lighting installed

Renewable Energy
NoneSolar PV

Solar PV panels (40 kWp) installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centurySemi-Detached HouseEPC B

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 9 Clos Cas Bach, St Mellons, Cardiff, CF3 0AU, sourced from the PlanIt planning register.

9 Clos Cas Bach has 2 separate extension applications on the council record.

2 applications on record at 9 Clos Cas Bach, St Mellons, Cardiff, CF3 0AU

2decisions2extensions11documents1nearby
  1. Dec 2017
    ExtensionFull
    Outcome in report

    Extension: Single storey

    GROUND FLOOR EXTENSION TO CREATE ACCESSIBLE BEDROOM AND SHOWER ROOM WITH ASSOCIATED EXTERNAL & DRAINAGE WORKS.

    Documents
    5 docs on file
    Reference
    17/02576/DCH
    Full record in report
  2. More recent applications — locked
  3. ExtensionDecision

Unlock 9 Clos Cas Bach, St Mellons, Cardiff, CF3 0AU's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full, plus 1 notable nearby
  • The 11 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

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

9 Clos Cas Bach has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£197,000

Modelled from EPC, postcode comparables.

See how we calculated this

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.

On the street

Versus other Clos Cas Bach homes

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

On floor area, 9 Clos Cas Bach stands well clear of the street.

EPC Rating

86 (B)

Street avg 81 (C)

Above

Floor Area

94 m²

Street avg 67 m²

Strongly above

CO₂ Emissions

1.9 t/year

Street avg 1.5 t/year

Below

Habitable Rooms

4 rooms

Street avg 3 rooms

Strongly above
Before you decide

Everything you need to know about 9 Clos Cas Bach

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

Pick your report · from £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.
£198k

1 Ashfield Court, St Mellons

CF3 0AE

£200k

1 Bulrush Close, St Mellons

CF3 0AZ

£203k

1 Caraway Close, St Mellons

CF3 0NF

2 bed1 bath
£204k

1 Blaina Close, St Mellons

CF3 0EB

£189k

1 Caerleon Close, St Mellons

CF3 0HH

£220k

1 Broadwell Close, St Mellons

CF3 0HU

£223k

1 Ashdown Close, St Mellons

CF3 0ER

2 bed1 bath
£226k

1 Cathcob Close, St Mellons

CF3 0AH

3 bed1 bath
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

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.2 km

Clos Gwlad-Yr-Haf — 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 9 Clos Cas Bach, St Mellons, Cardiff, CF3 0AU. Each answer is also embedded as structured data for search engines.