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21b, Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ

Property type
Detached
Bedrooms
3
Bathroom
1
Floor area
175 m²
1884 sq ft
Energy rating
D
Score 58
Council tax
Band G
Tenure
Owner Occupied
Overview

About 21b

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

21b is a three-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5TZ). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (November 2013) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump. The latest certificate is from November 2013, so improvements made since then won't be reflected.

12 years since the last transfer (February 2014). Today's modelled estimate of £440,000 is 49.2% above the 2014 sale price.

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
Before you decide

Everything you need to know about 21b

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.

21b's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 15 Nov 2023

EPC Rating

A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Good
CO2 Emissions
7.6 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centuryDetached HouseEPC D

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 £695 · Includes VAT

Planning

Planning history

Applications and permits filed against 21b, Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ, sourced from the PlanIt planning register.

21b 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.

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

Current estimate

£440,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2014)

£295,000

Recorded with HM Land Registry.

Sales timeline

  1. 7 February 2014Most recent

    £295,000

Median price across the last 5 sales in CF3 5TZ: £400,000 (2022–2015).

On the street

Versus other Melville Avenue homes

Four headline reads against 14 similar houses on this street, drawn from the latest EPC and Land Registry data.

On co₂ emissions, 21b runs well behind the street norm.

Price per m²

£1,686

Street avg £1,961

Below

Floor Area

175 m²

Street avg 200 m²

Above

Habitable Rooms

5 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

7.6 t/year

Street avg 5.7 t/year

Strongly below
Before you decide

Everything you need to know about 21b

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.
£426k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

3 bed
£274k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath
£265k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed
£196k

1 Banwell Place, Llanrumney

CF3 5SH

3 bed
£195k

1 Bronte Close, Llanrumney

CF3 5PN

3 bed
£150k

1 Bluebell Drive

CF3 5RA

3 bed
£596k

1 Courtenay Close, Old St Mellons

CF3 5UL

4 bed2 bath
£444k

1 Clos Hendre Gadno, Old St Mellons

CF3 5UJ

5 bed3 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

0.2 km

Wern Fawr Lane — 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 21b, Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ. Each answer is also embedded as structured data for search engines.