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

Property type
Detached
Habitable rooms
6
From EPC
Floor area
163 m²
1755 sq ft
Energy rating
D
Score 58
Council tax
Band G
Tenure
Owner Occupied
Overview

About 21 Melville Avenue

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

21 Melville Avenue is a detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5TZ). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (June 2016) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 81), a 2-band jump. The latest certificate is from June 2016, so improvements made since then won't be reflected.

Before you decide

Everything you need to know about 21 Melville Avenue

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.

21 Melville Avenue'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This certificate is over 10 years old and is no longer valid.Expired 15 Jun 2026

EPC Rating

A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Average
Windows
Average
CO2 Emissions
7.3 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 21 Melville Avenue, Old St Mellons, Cardiff, CF3 5TZ, sourced from the PlanIt planning register.

21 Melville Avenue 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.

21 Melville Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£437,000

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 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.

21 Melville Avenue is notably below the street on epc rating.

EPC Rating

58 (D)

Street avg 68 (D)

Strongly below

Floor Area

163 m²

Street avg 200 m²

Below

CO₂ Emissions

7.3 t/year

Street avg 5.7 t/year

Strongly below

Habitable Rooms

6 rooms

Street avg 6 rooms

On par
Before you decide

Everything you need to know about 21 Melville Avenue

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.
£444k

1 Clos Hendre Gadno, Old St Mellons

CF3 5UJ

5 bed3 bath
£426k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

3 bed
£596k

1 Courtenay Close, Old St Mellons

CF3 5UL

4 bed2 bath
£289k

1 Chapel Row, Old St Mellons

CF3 5UB

£274k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath
£265k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed
£251k

1 Captain S View, Braunton Crescent, Llanrumney

CF3 5AD

2 bed1 bath
£219k

1 Blackbirds Way, St Mellons

CF3 5RE

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