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

Notable views3 sales on record1 planning record
Property type
Mid terrace
Bedrooms
4
Bathrooms
2
Floor area
116 m²
1249 sq ft
Energy rating
D
Score 66
Council tax
Band D
Tenure
Owner Occupied
Overview

About 21 Garth Olwg

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

21 Garth Olwg is a four-bedroom mid-terrace house in Gwaelod-Y-Garth, Cardiff, Cardiff (CF15 9HW). It has a recorded floor area of 116 m² (around 1249 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2017) shows a D (score 66), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 80). Other recorded features include notable views. The home occupies a cul-de-sac position.

At 116 m² the property is well over the postcode median (81 m² across 18 EPCs), placing it in the larger end of the local stock. One planning record on file: tree works approved in 2014. Past consents include tree works, meaningful when judging how the property has evolved. Across 2004–2018, sale prices on this property compounded at 2.6% per year. Today's modelled estimate of £374,000 is 49% above the 2018 sale price. Sold September 2018 for £251,000.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

  • Bedrooms4
  • Bathrooms2
  • EnsuiteYes

Outside

  • Private gardenRear
  • Notable viewsYes
  • Cul-de-sacYes
Before you decide

Everything you need to know about 21 Garth Olwg

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

Pick your report · every report is £14.99

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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.

EPC Rating

A
B
C
D
D66
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.6 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centuryMid-Terrace HouseEPC DExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £955 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW, sourced from the PlanIt planning register.

1 application on record at 21 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW

1decisions
  1. Feb 2014
    Tree WorksTrees
    Outcome in report

    REMOVAL OF GOAT WILLOW

    Reference
    GWEA/CA/14/00028
    Full record in report

Unlock 21 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW's full planning history

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

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full
  • 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.

21 Garth Olwg valuation sits well clear of the typical sold price in this postcode.

Current estimate

£374,000

Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 15 years.

See how we calculated this
Last sold (2018)

£251,000

Growth on file: 2.6% per year over 15 years.

Sales timeline

  1. 30 September 2018Most recent

    £251,000

    +32.8%over 13 years

  2. 8 August 2005

    £189,000

    +9.2%over 1 year

  3. 16 February 2004

    £173,000

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

On the street

Versus other Garth Olwg homes

Four headline reads against 16 similar houses on this street, drawn from the latest EPC and Land Registry data.

Habitable Rooms for 21 Garth Olwg runs comfortably ahead of the street norm.

Price per m²

£2,164

Street avg £2,555

Below

Floor Area

116 m²

Street avg 92 m²

Strongly above

Habitable Rooms

6 rooms

Street avg 5 rooms

Strongly above

CO₂ Emissions

4.6 t/year

Street avg 4.3 t/year

Below
Before you decide

Everything you need to know about 21 Garth Olwg

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.
£432k

1 Dol Y Felin, Creigiau

CF15 9SN

4 bed
£432k

1 Erw Wen, Pentyrch

CF15 9PQ

4 bed2 bath
£450k

1 Brummell Drive, Creigiau

CF15 9NX

4 bed
£527k

1 Bryn Yr Eglwys, Pentyrch

CF15 9QW

4 bed2 bath
£534k

1 Crib Y Lan, Gwaelod Y Garth

CF15 9LA

4 bed
£582k

1 Clos Goch, Pentyrch

CF15 9RA

4 bed1 bath
£371k

1 2, Post Office Row, Gwaelod Y Garth

CF15 9HY

3 bed1 bath
£392k

1 Ael Y Bryn, Pentyrch

CF15 9TD

3 bed2 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

2/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 21 Garth Olwg, Gwaelod Y Garth, Cardiff, CF15 9HW. Each answer is also embedded as structured data for search engines.