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

4 sales on record
Property type
Semi-detached
Bedrooms
3
Bathroom
1
Floor area
70 m²
753 sq ft
Energy rating
C
Score 71
Council tax
Band E
Tenure
Owner Occupied
Overview

About 12 Allen Close

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

12 Allen Close is a three-bedroom semi-detached house in Old St. Mellons, Cardiff, Cardiff (CF3 5DH). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (January 2014) shows a C (score 71). The recommended improvements would push it to B (score 89). The latest certificate is from January 2014, so improvements made since then won't be reflected.

12 years since the last transfer (March 2014). Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2014, sale prices on this property compounded at 6% per year. Today's modelled estimate of £266,000 is 49.4% above the 2014 sale price. On a £-per-square-foot basis, the last sale (£236/sq ft) was about 68.5% above the typical sold price in the postcode. At 70 m² it's 28.9% 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
  • Bathrooms1
  • Dining roomYes
  • CloakroomYes
  • EnsuiteYes

Outside

  • Private gardenYes
Before you decide

Everything you need to know about 12 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
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

12 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 08 Jan 2024

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.3 t/year
Occupancy
Owner Occupied
SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centurySemi-Detached HouseEPC C

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 £545 · Includes VAT

Planning

Planning history

Applications and permits filed against 12 Allen Close, Old St Mellons, Cardiff, CF3 5DH, sourced from the PlanIt planning register.

12 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

£266,000

Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 16 years.

See how we calculated this
Last sold (2014)

£178,000

Growth on file: 6.0% per year over 16 years.

Sales timeline

  1. 21 March 2014Most recent

    £178,000

    -1.1%over 6 years

  2. 12 April 2007

    £180,000

    +100.1%over 5 years

  3. 15 August 2001

    £89,950

    +29.6%over 3 years

  4. 18 December 1997

    £69,400

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.

12 Allen Close is notably below the street on floor area.

Price per m²

£2,543

Street avg £2,310

Above

Floor Area

70 m²

Street avg 100 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 6 rooms

Below

CO₂ Emissions

2.3 t/year

Street avg 3.7 t/year

Strongly above
Before you decide

Everything you need to know about 12 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.
£265k

1 Axbridge Crescent, Llanrumney

CF3 5TJ

3 bed
£274k

1 Brendon Close, Llanrumney

CF3 5RJ

3 bed1 bath
£196k

1 Banwell Place, Llanrumney

CF3 5SH

3 bed
£195k

1 Bronte Close, Llanrumney

CF3 5PN

3 bed
£426k

1 Chapel Row Lane, Old St Mellons

CF3 5ST

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