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21 Garth Street, Taffs Well, Cardiff, CF15 7PJ

4 sales on record
Property type
Mid terrace
Bedrooms
3
Bathroom
1
Floor area
69 m²
743 sq ft
Energy rating
D
Score 65
Council tax
Band D
Tenure
Owner Occupied
Overview

About 21 Garth Street

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

21 Garth Street is a three-bedroom mid-terrace house in Taffs Well, Cardiff, Cardiff (CF15 7PJ). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to before 1900 and council tax band D. The latest certificate (May 2022) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, roof efficiency went from Very Poor to Very Good, window efficiency went from Poor to Average and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 88), a 2-band jump.

Most recent transfer: June 2022 at £255,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2011–2022, sale prices on this property compounded at 7% per year. On a £-per-square-foot basis, the last sale (£343/sq ft) was about 117.9% above the typical sold price in the postcode. At 69 m² it's 19.8% smaller than the typical home in the postcode (86 m² median across 11 EPCs).

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

  • Bedrooms3
  • Bathrooms1
  • Dining roomYes

Outside

  • Private gardenYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 21 Garth 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.

Recommended upgrades on file would lift this property by multiple EPC bands.

Current Certificate(1 of 2)
May 2022

EPC Rating

A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.1 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

May 2022from Aug 2011
Heating Controls
FullThermostat

Heating controls changed

Windows
Partial DoubleFull Double

Windows upgraded, improving insulation

Roof Insulation
UninsulatedWell Insulated

Loft insulation installed or upgraded to 250mm+

Low Energy Lighting
67%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraMid-Terrace HouseEPC DPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Garth Street, Taffs Well, Cardiff, CF15 7PJ, sourced from the PlanIt planning register.

21 Garth Street has no planning applications on record.

1

But the area is active

1 notable application 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.

21 Garth Street has more than doubled in price since the earliest registered sale in 2011.

Current estimate

£271,000

Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 11 years.

See how we calculated this
Last sold (2022)

£255,000

Growth on file: 7.0% per year over 11 years.

Sales timeline

  1. 30 June 2022Most recent

    £255,000

    +23.8%over 1 year

  2. 25 August 2020

    £206,000

    +30.4%over 5 years

  3. 13 March 2015

    £158,000

    +26.4%over 3 years

  4. 13 December 2011

    £125,000

Median price across the last 5 sales in CF15 7PJ: £225,000 (2025–2019).

On the street

Versus other Garth Street homes

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

On price per m², 21 Garth Street stands well clear of the street.

Price per m²

£3,696

Street avg £2,140

Strongly above

Floor Area

69 m²

Street avg 84 m²

Strongly below

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

3.1 t/year

Street avg 4.2 t/year

Above
Before you decide

Everything you need to know about 21 Garth 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.
£291k

1 Church Lane, Nantgarw

CF15 7TQ

3 bed1 bath
£309k

1 Bute Street, Tongwynlais

CF15 7LJ

3 bed1 bath
£220k

1 Church Street, Taffs Well

CF15 7PG

3 bed
£379k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath
£269k

1 Castell Coch View, Tongwynlais

CF15 7LA

2 bed1 bath
£275k

1 Beechwood Road, Taffs Well

CF15 7RZ

4 bed
£282k

1 Castle Road, Tongwynlais

CF15 7JQ

2 bed1 bath
£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
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

Rail-style transport is unusually close for this postcode.

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Castle House — 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 Street, Taffs Well, Cardiff, CF15 7PJ. Each answer is also embedded as structured data for search engines.