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18 Alltmawr Road, Cardiff, CF23 6NQ

Property type
Detached
Bedrooms
2
Bathrooms
2
Floor area
139 m²
1496 sq ft
Energy rating
D
Score 65
Council tax
Band H
Tenure
Owner Occupied
Overview

About 18 Alltmawr Road

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

18 Alltmawr Road is a two-bedroom detached house in Cardiff (CF23 6NQ). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to 1950-1966 and council tax band H. The latest certificate (April 2025) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2014. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor. The recommended improvements would push it to C (score 78).

Today's modelled estimate of £626,000 sits 60.5% above the 2015 sale of £390,000. At 139 m² it sits well below the postcode median (203 m² across 11 EPCs), making it one of the more compact homes locally. On the market in May 2015 and unlisted since — roughly 11 years.

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

  • Bedrooms2
  • Bathrooms2

Outside

  • Private gardenWrap around
Before you decide

Everything you need to know about 18 Alltmawr Road

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.
Current Certificate(1 of 2)
Apr 2025

EPC Rating

A
B
C
D
D65
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.8 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Apr 2025from Nov 2014
Low Energy Lighting
5%93%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Mid 20th centuryDetached BungalowEPC 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 £895 · Includes VAT

Planning

Planning history

Applications and permits filed against 18 Alltmawr Road, Cardiff, CF23 6NQ, sourced from the PlanIt planning register.

18 Alltmawr Road has no planning applications on record.

1

But the area is active

1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

18 Alltmawr Road valuation sits well clear of the typical sold price in this postcode.

Current estimate

£626,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2015)

£390,000

Recorded with HM Land Registry.

Sales timeline

  1. 31 May 2015Most recent

    £390,000

Median price across the last 5 sales in CF23 6NQ: £745,000 (2024–2020).

On the street

Versus other Alltmawr Road homes

Four headline reads against 11 similar houses on this street, drawn from the latest EPC and Land Registry data.

On habitable rooms, 18 Alltmawr Road runs well behind the street norm.

Price per m²

£2,806

Street avg £3,562

On par

Floor Area

139 m²

Street avg 206 m²

Strongly below

Habitable Rooms

5 rooms

Street avg 8 rooms

Strongly below

CO₂ Emissions

4.8 t/year

Street avg 8.2 t/year

Strongly above
Before you decide

Everything you need to know about 18 Alltmawr Road

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.
£542k

1 Dan Yr Heol

CF23 6JU

3 bed2 bath
£263k

1 Duffryn Close

CF23 6HT

2 bed1 bath
£453k

1 Dan Y Coed Close

CF23 6NJ

3 bed2 bath
£441k

1 Cefn Coed Avenue

CF23 6HE

3 bed1 bath
£185k

1 Forest Oak Close

CF23 6QN

2 bed1 bath
£628k

1 Dan Y Coed Rise

CF23 6NN

4 bed2 bath
£581k

1 Alderbrook, Cyncoed

CF23 6QD

4 bed2 bath
£488k

1 Duffryn Avenue

CF23 6LE

4 bed
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

9/mo

Rising year-on-year across the wider district.

Nearest stop

0.2 km

Llangorse Rd — 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 Alltmawr Road, Cardiff, CF23 6NQ. Each answer is also embedded as structured data for search engines.