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23 Syon Park Close, St Mellons, Cardiff, CF3 0BN

Property type
Mid terrace
Habitable rooms
4
From EPC
Floor area
69 m²
743 sq ft
Energy rating
C
Score 77
Council tax
Band B
Tenure
Social Rental
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Overview

About 23 Syon Park Close

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

23 Syon Park Close is a mid-terrace house in St. Mellons, Cardiff, Cardiff (CF3 0BN). It has a recorded floor area of 69 m² (around 743 sq ft), construction records dating it to 1983-1990 and council tax band B. The latest certificate (June 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since January 2013. Between certificates, window efficiency went from Average to Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 90).

Before you decide

Everything you need to know about 23 Syon Park 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)
Jun 2025

EPC Rating

A
B
C
C77
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
1.7 t/year
Occupancy
Rented

Certificate validity

Valid until 12 June 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2025from Jan 2013
Windows
AverageGood

Window efficiency improved

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

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 Syon Park Close, St Mellons, Cardiff, CF3 0BN, sourced from the PlanIt planning register.

23 Syon Park Close 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.

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

Current estimate

£178,000

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.

On the street

Versus other Syon Park Close homes

Four headline reads against 27 similar houses on this street, drawn from the latest EPC and Land Registry data.

On epc rating, 23 Syon Park Close stands well clear of the street.

EPC Rating

77 (C)

Street avg 74 (C)

Strongly above

Floor Area

69 m²

Street avg 68 m²

Strongly above

CO₂ Emissions

1.7 t/year

Street avg 1.9 t/year

Strongly above

Habitable Rooms

4 rooms

Street avg 4 rooms

On par
Before you decide

Everything you need to know about 23 Syon Park 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.
£189k

1 Caerleon Close, St Mellons

CF3 0HH

£164k

1 Aspen Close, St Mellons

CF3 0BT

1 bed1 bath
£198k

1 Ashfield Court, St Mellons

CF3 0AE

£160k

1 Caspian Close, St Mellons

CF3 0BQ

£200k

1 Bulrush Close, St Mellons

CF3 0AZ

£203k

1 Caraway Close, St Mellons

CF3 0NF

2 bed1 bath
£204k

1 Blaina Close, St Mellons

CF3 0EB

£220k

1 Broadwell Close, St Mellons

CF3 0HU

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

0.3 km

Kwik Save — 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 Syon Park Close, St Mellons, Cardiff, CF3 0BN. Each answer is also embedded as structured data for search engines.