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1 Tai Derwen, Cefn Mably, Cardiff, CF3 6XR

Notable views3 planning records
Property type
Semi-detached
Bedrooms
4
Bathrooms
2
Floor area
170 m²
1830 sq ft
Energy rating
E
Score 48
Council tax
Band F
Tenure
Owner Occupied
Overview

About 1 Tai Derwen

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

1 Tai Derwen is a four-bedroom semi-detached house in Cefn Mably, Cardiff, Cardiff (CF3 6XR). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (April 2023) shows an E (score 48), well below the UK norm with real room to improve. The rating has held steady at E across 3 certificates since March 2016. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Average to Good and window efficiency went from Poor to Good. The recommended improvements would push it to D (score 60). Main heating runs on lpg. Other recorded features include notable views.

3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. Across 2017–2023, sale prices on this property compounded at 6.4% per year. Last sale on file: £600,000 in November 2023.

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

Outside

  • DrivewayYes
  • Notable viewsYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 1 Tai Derwen

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

Larger development activity nearby

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.
Current Certificate(1 of 3)
Apr 2023

EPC Rating

A
B
C
D
E
E48
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Poor
Windows
Good
CO2 Emissions
5.3 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Aug 2020from Mar 2016
EPC improved fromE40toG1
Heating System
Gas BoilerRoom Heaters

Heating system changed

Hot Water
Very PoorAverage

Hot water efficiency improved

Windows
Partial DoubleFull Double

Windows upgraded, improving insulation

Low Energy Lighting
50%100%

More low energy lighting installed

Apr 2023from Aug 2020
EPC improved fromG1toE48
Heating System
Room HeatersGas Boiler

Upgraded to gas central heating

Hot Water
Immersion (Off-Peak)Main System

Hot water system upgraded

Wall Insulation
UninsulatedInsulated Cavity

Cavity wall insulation installed

Roof Insulation
UninsulatedInsulated

Roof insulation improved

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Early 20th centurySemi-Detached HouseEPC ENo mains gas

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

From £1,155 · Includes VAT

Planning

Planning history

Applications and permits filed against 1 Tai Derwen, Cefn Mably, Cardiff, CF3 6XR, sourced from the PlanIt planning register.

Planning history includes recorded demolition works, indicating a major rebuild phase at this address.

3 applications on record at 1 Tai Derwen, Cefn Mably, Cardiff, CF3 6XR

2decisions3extensions18documents1nearby
Flagged:Demolition
  1. Jan 2018
    DemolitionFull
    Outcome in report

    Demolish existing garage, erect single and two storey extensions and alterations to existing property

    Extension
    Reference
    18/0061/FULL
    Full record in report
  2. More recent applications — locked
  3. DemolitionDecision
  4. DemolitionDecision

Unlock 1 Tai Derwen, Cefn Mably, Cardiff, CF3 6XR'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 3 applications on this property in full, plus 1 notable nearby
  • The 18 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.

1 Tai Derwen valuation sits well clear of the typical sold price in this postcode.

Current estimate

£619,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 6 years.

See how we calculated this
Last sold (2023)

£600,000

Growth on file: 6.4% per year over 6 years.

Sales timeline

  1. 15 November 2023Most recent

    £600,000

    +44.6%over 5 years

  2. 8 December 2017

    £415,000

Median price across the last 4 sales in CF3 6XR: £170,000 (2008–1996).

Before you decide

Everything you need to know about 1 Tai Derwen

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

Larger development activity nearby

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.
£524k

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£679k

1 Minorca Cottages, Michaelston Y Fedw

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5 bed
£385k

1 Began Road, Old St Mellons

CF3 6XJ

3 bed1 bath
£360k

1 Rees Drive, Old St Mellons

CF3 6AS

3 bed2 bath
£343k

1 Stryd Boyd, Old St Mellons

CF3 6YS

3 bed3 bath
£334k

1 Rogers Avenue, Old St Mellons

CF3 6AL

3 bed2 bath
£332k

1 Rhodfa Hughes, Old St Mellons

CF3 6YY

3 bed2 bath
£322k

1 Church Road, Old St Mellons

CF3 6YA

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

Reported crime in the wider district is trending notably upward year-on-year.

Crime

3/mo

Rising year-on-year across the wider district.

Nearest stop

1.4 km

Began Road — 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 1 Tai Derwen, Cefn Mably, Cardiff, CF3 6XR. Each answer is also embedded as structured data for search engines.