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23 Boswell Close, Llanrumney, Cardiff, CF3 5NY

Property type
Mid terrace
Habitable rooms
5
From EPC
Floor area
83 m²
893 sq ft
Energy rating
C
Score 71
Council tax
Band B
Tenure
Owner Occupied
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Overview

About 23 Boswell Close

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

23 Boswell Close is a mid-terrace house in Llanrumney, Cardiff, Cardiff (CF3 5NY). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (January 2026) shows a C (score 71). The rating has held steady at C across 2 certificates since September 2014. Between certificates, roof efficiency went from Good to Very Good and lighting went from Average to Very Good; while window efficiency dropped from Good to Average.

Before you decide

Everything you need to know about 23 Boswell Close

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

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)
Jan 2026

EPC Rating

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

Certificate validity

Valid until 9 January 2036

9 years remaining

Property Improvements

Changes detected from historical EPC data

Jan 2026from Sept 2014
Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
30%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 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 £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 23 Boswell Close, Llanrumney, Cardiff, CF3 5NY, sourced from the PlanIt planning register.

23 Boswell 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.

23 Boswell Close has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.

Current estimate

£172,000

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 5NY: £80,000 (2023–2009).

On the street

Versus other Boswell Close homes

Four headline reads against 33 similar houses on this street, drawn from the latest EPC and Land Registry data.

On habitable rooms, 23 Boswell Close stands well clear of the street.

EPC Rating

71 (C)

Street avg 71 (C)

On par

Floor Area

83 m²

Street avg 76 m²

On par

CO₂ Emissions

2.2 t/year

Street avg 2.4 t/year

Above

Habitable Rooms

5 rooms

Street avg 4 rooms

Above
Before you decide

Everything you need to know about 23 Boswell Close

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

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.
£175k

1 Bunyan Close, Llanrumney

CF3 5QQ

£162k

1 Boswell Close, Llanrumney

CF3 5NY

£155k

1 Ashburton Avenue, Llanrumney

CF3 5PR

£191k

1 Bridgwater Road, Llanrumney

CF3 5TF

£192k

1 Blackbirds Way, St Mellons

CF3 5RE

£152k

1 Barnstaple Road, Llanrumney

CF3 5LR

£197k

1 Banwell Place, Llanrumney

CF3 5SH

3 bed
£150k

1 Bluebell Drive

CF3 5RA

3 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

Crime

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Siloam Baptist — 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 23 Boswell Close, Llanrumney, Cardiff, CF3 5NY. Each answer is also embedded as structured data for search engines.