What kind of home is 18 Claremont Avenue, CF3 4LR?

18 Claremont Avenue, CF3 4LR is a 3-bedroom mid-terrace house.

What did 18 Claremont Avenue, CF3 4LR sell for?

18 Claremont Avenue, CF3 4LR last sold for £220,000 in September 2021, around 5 years ago. Source: HM Land Registry.

What energy rating does 18 Claremont Avenue, CF3 4LR have?

The current EPC rating for 18 Claremont Avenue, CF3 4LR is C with a score of 71 out of 100, lodged in May 2026. It has improved from a E recorded in April 2021 (2 bands). Source: EPC Register.

How big is 18 Claremont Avenue, CF3 4LR?

18 Claremont Avenue, CF3 4LR has a recorded floor area of 95 m² (1,023 sq ft), around 32 m² per bedroom. Source: EPC Register.

What heating system does 18 Claremont Avenue, CF3 4LR use?

The latest EPC at 18 Claremont Avenue, CF3 4LR records mains gas as the main heating fuel. Source: EPC Register.

What is the council tax band for 18 Claremont Avenue, CF3 4LR?

18 Claremont Avenue, CF3 4LR is in council tax band D.

Which area is 18 Claremont Avenue, CF3 4LR in?

18 Claremont Avenue, CF3 4LR sits in Rumney, Cardiff, Cardiff. It falls within the CF3 postcode district.

Is 18 Claremont Avenue, CF3 4LR in a safe area?

Police records around 18 Claremont Avenue, CF3 4LR show an average of 242 reported crimes per month over the last 18 months. Violent crime makes up roughly 36% of reports, the most common category. The overall trend is falling (22% versus the prior period). Source: Police UK.

What is the nearest station to 18 Claremont Avenue, CF3 4LR?

The closest bus stop to 18 Claremont Avenue, CF3 4LR is Claremont Crescent, 94m away. In total there are 30 bus stops within the surrounding area.

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18 Claremont Avenue, Rumney, Cardiff, CF3 4LR

Property type

Mid terrace

Bedrooms

Bathroom

Floor area

95 m²

1023 sq ft

Energy rating

Score 71

Council tax

Band D

Tenure

Owner Occupied

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Overview

About 18 Claremont Avenue

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

18 Claremont Avenue is a three-bedroom mid-terrace house in Rumney, Cardiff, Cardiff (CF3 4LR). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (May 2026) shows a C (score 71). When first surveyed in April 2021 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Poor to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition.

Today's modelled estimate of £288,000 is 30.9% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£215/sq ft) was about 40% above the typical sold price in the postcode. Last sale on file: £220,000 in September 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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 18 Claremont Avenue

The true value, the hidden risks and the full sale history, in one report.

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The data behind every report

Energy

Energy performance

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

The EPC has just been inspected, so the rating reflects current condition.

Current Certificate(1 of 2)

May 2026

EPC Rating

C71

Main Heating

Gas

Main Fuel

Gas

Hot Water

Good

Windows

Poor

CO2 Emissions

2.8 t/year

Occupancy

Owner Occupied

Certificate validity

Valid until 31 May 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

May 2026from Apr 2021

EPC improved fromE48toC71

Heating Controls

Prog + TRVsFull

Heating controls upgraded for better temperature management

Hot Water

AverageGood

Hot water efficiency improved

Roof Insulation

UninsulatedWell Insulated

Loft insulation installed or upgraded to 250mm+

Low Energy Lighting

23%100%

More low energy lighting installed

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Level 2 HomeBuyer Report

Early 20th centuryMid-Terrace 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 18 Claremont Avenue, Rumney, Cardiff, CF3 4LR, sourced from the PlanIt planning register.

18 Claremont 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.

The latest sale landed in the post-pandemic price surge — useful context when reading the figure.

Current estimate

£288,000

Modelled from EPC, postcode comparables.

See how we calculated this

Last sold (2021)

£220,000

Recorded with HM Land Registry.

Sales timeline

28 September 2021Most recent
£220,000

Median price across the last 5 sales in CF3 4LR: £265,000 (2026–2020).

Nearby sales in CF3 4LR

On the street

Versus other Claremont Avenue homes

Four headline reads against 12 similar houses on this street, drawn from the latest EPC and Land Registry data.

18 Claremont Avenue is notably below the street on habitable rooms.

Price per m²

£2,316

Street avg £2,317

On par

Floor Area

95 m²

Street avg 95 m²

On par

Habitable Rooms

4 rooms

Street avg 5 rooms

Strongly below

CO₂ Emissions

2.8 t/year

Street avg 4.0 t/year

Strongly above

Before you decide

Everything you need to know about 18 Claremont Avenue

The true value, the hidden risks and the full sale history, in one report.

Pick your report · from £14.99

One time fee only - money back guarantee

The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£286k

1 Claremont Crescent, Rumney

CF3 4LS

3 bed1 bath

£247k

1 Ball Close, Llanrumney

CF3 4JG

3 bed1 bath

£287k

1 Exford Crescent, Llanrumney

CF3 4JQ

4 bed1 bath

£377k

1 Clos Yr Ysgol, Llanrumney

CF3 4DE

4 bed3 bath

£379k

1 Castle Rise, Rumney

CF3 4BA

4 bed

£144k

1 Chulmleigh Close

CF3 4BL

2 bed1 bath

£126k

1 Cheriton Court, Cranleigh Rise, Rumney

CF3 4AN

2 bed

£270k

1 Castle Avenue, Rumney

CF3 4FT

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

Crime

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Claremont Crescent — 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 Claremont Avenue, Rumney, Cardiff, CF3 4LR. Each answer is also embedded as structured data for search engines.