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12 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW

Property type
Semi-detached
Floor 1st
Habitable rooms
3
From EPC
Floor area
63 m²
678 sq ft
Energy rating
C
Score 69
Council tax
Band D
Tenure
Social Rental
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Overview

About 12 Garth Olwg

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

12 Garth Olwg is a semi-detached house in Gwaelod-Y-Garth, Cardiff, Cardiff (CF15 9HW). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1967-1975 and council tax band D. At 63 m² this is the smallest unit on EPC record across the building (63–157 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (June 2014) shows a C (score 69), just inside the C band. When first surveyed in November 2012 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good; while wall efficiency dropped from Good to Poor and roof efficiency dropped from Good to Average. The latest certificate is from June 2014, so improvements made since then won't be reflected.

At 63 m² it's 25% smaller than the typical home in the postcode (84 m² median across 18 EPCs). Its energy rating outperforms most of the postcode (better than 89% of similar EPCs).

Before you decide

Everything you need to know about 12 Garth Olwg

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

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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.

12 Garth Olwg's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 24 Jun 2024

Current Certificate(1 of 2)
Jun 2014

EPC Rating

A
B
C
C69
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.2 t/year
Occupancy
Rented

Certificate validity

Expired on 24 June 2024

New assessment needed to sell or let

Property Improvements

Changes detected from historical EPC data

Jun 2014from Nov 2012
EPC improved fromD66toC69
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
AverageGood

Hot water efficiency improved

Low Energy Lighting
100%0%

Low energy lighting percentage decreased

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Late 20th century1st Floor FlatEPC CNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 12 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW, sourced from the PlanIt planning register.

12 Garth Olwg has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

Price

Sales history & valuation

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

12 Garth Olwg has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£179,000

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.

Median price across the last 5 sales in CF15 9HW: £242,000 (2025–2023).

Before you decide

Everything you need to know about 12 Garth Olwg

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.
£164k

1 Brynteg Court, Mountain Road, Pentyrch

CF15 9QP

2 bed1 bath
£217k

1 Cefn Bychan, Pentyrch

CF15 9PG

£220k

1 Fair Meadow, Pentyrch

CF15 9QY

2 bed
£350k

1 Bronllwyn, Pentyrch

CF15 9QL

3 bed
£358k

1 Cefn Penuel, Pentyrch

CF15 9TB

3 bed1 bath
£361k

1 2, Post Office Row, Gwaelod Y Garth

CF15 9HY

3 bed1 bath
£380k

1 Bronant, Church Road, Pentyrch

CF15 9QG

2 bed1 bath
£387k

1 Castle Close, Creigiau

CF15 9NJ

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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Garth Olwg — 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 12 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW. Each answer is also embedded as structured data for search engines.