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18 Allen Close, Old St Mellons, Cardiff, CF3 5DH

Property type
Detached
Bedrooms
3
Floor area
82 m²
883 sq ft
Energy rating
D
Score 60
Council tax
Band E
Tenure
Owner Occupied
Overview

About 18 Allen Close

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

18 Allen Close is a three-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5DH). It has a recorded floor area of 82 m² (around 883 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (October 2012) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 79). The latest certificate is from October 2012, so improvements made since then won't be reflected.

Across 1997–2013, sale prices on this property compounded at 5.8% per year. Today's modelled estimate of £309,000 is 42.1% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£246/sq ft) was about 75.8% above the typical sold price in the postcode. Last changed hands 13 years ago, in June 2013. At 82 m² it's 16.8% smaller than the typical home in the postcode (99 m² median across 24 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
Before you decide

Everything you need to know about 18 Allen Close

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.

18 Allen Close's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 24 Oct 2022

EPC Rating

A
B
C
D
D60
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
3.5 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 £595 · Includes VAT

Planning

Planning history

Applications and permits filed against 18 Allen Close, Old St Mellons, Cardiff, CF3 5DH, sourced from the PlanIt planning register.

18 Allen Close 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.

Sale price has at least doubled since 1997.

Current estimate

£309,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 16 years.

See how we calculated this
Last sold (2013)

£217,500

Growth on file: 5.8% per year over 16 years.

Sales timeline

  1. 13 June 2013Most recent

    £217,500

    +141.0%over 15 years

  2. 7 November 1997

    £90,250

Median price across the last 5 sales in CF3 5DH: £258,000 (2025–2020).

On the street

Versus other Allen Close homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

On habitable rooms, 18 Allen Close runs well behind the street norm.

Price per m²

£2,652

Street avg £2,306

Above

Floor Area

82 m²

Street avg 100 m²

Below

Habitable Rooms

4 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

3.5 t/year

Street avg 3.7 t/year

On par
Before you decide

Everything you need to know about 18 Allen Close

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.
£274k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath
£265k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed
£426k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

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
£251k

1 Captain S View, Braunton Crescent, Llanrumney

CF3 5AD

2 bed1 bath
£596k

1 Courtenay Close, Old St Mellons

CF3 5UL

4 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

0.2 km

Llaneirwg Way — 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 18 Allen Close, Old St Mellons, Cardiff, CF3 5DH. Each answer is also embedded as structured data for search engines.