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18 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX

1 planning record
Property type
Detached
Bedrooms
4
Bathrooms
3
Floor area
282 m²
3035 sq ft
Energy rating
C
Score 78
Council tax
Band H
Tenure
Owner Occupied
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Overview

About 18 Ruperra Close

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

18 Ruperra Close is a four-bedroom detached house in Old St. Mellons, Cardiff, Cardiff (CF3 6HX). It has a recorded floor area of 282 m² (around 3035 sq ft), construction records dating it to 2003-2006 and council tax band H. The latest certificate (April 2025) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 82). Records show the property has been extended at some point in its history.

At 282 m² the property is well over the postcode median (169 m² across 10 EPCs), placing it in the larger end of the local stock. Most recent transfer was November 2025 at £955,000 — fresh data. One planning record on file: an extension approved in 2014. Past consents include an extension, meaningful when judging how the property has evolved. Across 2002–2025, sale prices on this property compounded at 4.9% per year. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 101.9% above the typical sold price in the postcode.

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

  • Bedrooms4
  • Bathrooms3
  • Open-plan layoutYes
  • EnsuiteYes

Outside

  • Private gardenWrap around

Building

  • Previously extendedYes
  • RefurbishedYes
Before you decide

Everything you need to know about 18 Ruperra Close

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

Larger development activity nearby

Pick your report · from £14.99

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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
Apr 2025

EPC Rating

A
B
C
C78
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
5.8 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 16 April 2035

8 years remaining
SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st centuryDetached HouseEPC CExtended multiple times (2+ extensions)

Because the property has been extended more than once, we believe a Level 3 building survey should be considered.

From £1,495 · Includes VAT

Planning

Planning history

Applications and permits filed against 18 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX, sourced from the PlanIt planning register.

18 Ruperra Close has an approved extension on the planning record.

1 application on record at 18 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX

1decisions1extensions6documents1nearby
  1. Mar 2014
    ExtensionFull
    Outcome in report

    REMOVAL OF EXISTING CONSERVATORY AND CONSTRUCTION ON A NEW EXTENSION

    Documents
    6 docs on file
    Reference
    14/00256/DCH
    Full record in report

Unlock 18 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 1 notable nearby
  • The 6 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - money back guarantee

Price

Sales history & valuation

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

Latest sale on 18 Ruperra Close was the highest on Land Registry record across the postcode.

Current estimate

£972,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.9% per year over 23 years.

See how we calculated this
Last sold (2025)

£955,000

Growth on file: 4.9% per year over 23 years.

Sales timeline

  1. 25 November 2025Most recent

    £955,000

    +205.3%over 23 years

  2. 7 August 2002

    £312,800

Median price across the last 5 sales in CF3 6HX: £550,000 (2026–2018).

On the street

Versus other Ruperra Close homes

Four headline reads against 10 similar houses on this street, drawn from the latest EPC and Land Registry data.

On floor area, 18 Ruperra Close stands well clear of the street.

Price per m²

£3,387

Street avg £2,889

Strongly above

Floor Area

282 m²

Street avg 191 m²

Strongly above

Habitable Rooms

10 rooms

Street avg 8 rooms

Strongly above

CO₂ Emissions

5.8 t/year

Street avg 5.7 t/year

On par
Before you decide

Everything you need to know about 18 Ruperra Close

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

Larger development activity nearby

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.
£630k

1 Tai Derwen, Cefn Mably

CF3 6XR

4 bed2 bath
£551k

1 Ruperra Close, Old St Mellons

CF3 6HX

4 bed2 bath
£715k

1 Minorca Cottages, Michaelston Y Fedw

CF3 6XX

5 bed
£368k

1 Rees Drive, Old St Mellons

CF3 6AS

3 bed2 bath
£352k

1 Began Road, Old St Mellons

CF3 6XJ

3 bed1 bath
£352k

1 Rhodfa Hughes, Old St Mellons

CF3 6YY

3 bed2 bath
£352k

1 Stryd Boyd, Old St Mellons

CF3 6YS

3 bed3 bath
£348k

1 Clos Thomas, Old St Mellons

CF3 6YR

3 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

Crime

242/mo

Falling year-on-year across the wider district.

Nearest stop

0.3 km

Tyrwinch Road — 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 Ruperra Close, Old St Mellons, Cardiff, CF3 6HX. Each answer is also embedded as structured data for search engines.