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11 Clos Elphan, St Mellons, Cardiff, CF3 2AE

2 planning records

Estimated value

£1,006,000

  • Since the 2017 sale (£667,500)+51%
  • Against CF3 2AE's recent median (£620,000)+62%

Newest record on this page: January 2026. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Detached
Bedrooms
5
Bathrooms
5
Floor area
81 m²
872 sq ft
Energy rating
D
Score 58
Council tax
Band G
Tenure
Owner Occupied
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Valuation

About this valuation

How the figure is worked out and what it's based on. If you know this home, you can tell other visitors what you think it's worth.

Our estimate

£1,006,000

  • Against its 2017 sale (£667,500)+51%
  • Against CF3 2AE's recent median (£620,000)+62%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11 Clos Elphan is modelled from its 81 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 2AE. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.

What it's based on

  • Floor area

    81 m² from the EPC lodged in July 2017

  • Sales of this home

    2 sales recorded, the latest in 2017

  • Recent sales in CF3 2AE

    5 sales, median £620,000 (2026–2018)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: January 2026Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 of 2 applicationsFull history, plus nearby schemes
Flood riskNot shownIncluded
Price

Sales history & valuation

Every recorded sale of this home, how its price has moved, and what neighbouring properties have sold for.

11 Clos Elphan has more than doubled in price since the earliest registered sale in 2001.

Sales timeline

  1. 1 December 2017Most recent

    £667,500

    +197.3%over 16 years

  2. 9 April 2001

    £224,500

Median price across the last 5 sales in CF3 2AE: £620,000 (2026–2018).

Risks

What this page doesn't show

1 potential issue has already been flagged for 11 Clos Elphan, St Mellons, Cardiff, CF3 2AE. The detail, evidence and what to ask about it are in the Risks Report.
  • Larger development activity nearbyIn report
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

One time fee only - money back guarantee

Overview

About 11 Clos Elphan

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

11 Clos Elphan is a five-bedroom detached house in St. Mellons, Cardiff, Cardiff (CF3 2AE). It has a recorded floor area of 81 m² (around 872 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (July 2017) shows a D (score 58), a step below the typical UK home. The recommended improvements would push it to C (score 73). Records show the property has been extended at some point in its history.

Across 2001–2017, sale prices on this property compounded at 6.8% per year. Today's modelled estimate of £1,006,000 sits 50.7% above the 2017 sale of £667,500. On a £-per-square-foot basis, the last sale (£766/sq ft) was about 199.8% above the typical sold price in the postcode. At 81 m² it sits well below the postcode median (216 m² across 5 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. Last sold in December 2017, so it's been off the market for around 9 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

  • Bedrooms5
  • Bathrooms5
  • Dining roomYes
  • EnsuiteYes

Outside

  • GarageYes

Building

  • Previously extendedYes
  • RefurbishedYes
Before you decide

Everything you need to know about 11 Clos Elphan

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

Larger development activity nearby

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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
Jul 2017

EPC Rating

A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.1 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 13 July 2027

8 months remaining
Planning

Planning history

Applications and permits filed against 11 Clos Elphan, St Mellons, Cardiff, CF3 2AE, sourced from the PlanIt planning register.

2 applications on record at 11 Clos Elphan, St Mellons, Cardiff, CF3 2AE

2decisions2extensions8documents1nearby
  1. Mar 2010
    Garage ConversionFull
    Outcome in report

    Extension: Two storey · Side of property

    CONVERT EXISTING GARAGE INTO UTILITY ON GROUND FLOORBUILD FIRST FLOOR ABOVE FOR EN-SUITES AND DRESSING ROOMBUILD TWO STOREY EXTENSION ON RIGHT HAND SIDE OF PROPERTY FOR GROUND FLOOR GARAGE AND STORE ROOM WITH FIRST FLOOR BEDROOM AND EN-SUITE

    Extension
    Documents
    3 docs on file
    Reference
    10/00262/E
    Full record in report
  2. More recent applications — locked
  3. Garage ConversionDecision

Unlock 11 Clos Elphan, St Mellons, Cardiff, CF3 2AE's full planning history

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

  • Every decision — granted, refused or withdrawn (2 on record)
  • All 2 applications on this property in full, plus 1 notable nearby
  • The 8 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Clos Elphan homes

Four headline reads against 4 similar houses on this street, drawn from the latest EPC and Land Registry data.

11 Clos Elphan outperforms the street on price per m² by a wide margin.

Price per m²

£8,241

Street avg £3,035

Strongly above

Floor Area

81 m²

Street avg 209 m²

Strongly below

Habitable Rooms

10 rooms

Street avg 9 rooms

Strongly above

CO₂ Emissions

4.1 t/year

Street avg 6.4 t/year

Strongly above
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

Willow Grove — bus stop.

Nearest stops

  • Willow GroveBus stop299m
  • Wyevale Garden CentreBus stop316m
  • Saffron CloseBus stop340m
  • Heritage ParkBus stop476m

Most reported crime locally

  • Violence & Sexual Offences1,550 reports36%
  • Anti-social Behaviour627 reports14%
  • Public Order468 reports11%
  • Criminal Damage & Arson424 reports10%

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th centuryDetached HouseEPC 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 £1,245 · Includes VAT

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£658k

1 Clos Padrig, St Mellons

CF3 2AF

5 bed3 bath
£610k

1 Cambrian Crescent, Marshfield

CF3 2TD

5 bed4 bath
£933k

1 Castleton Gardens, Castleton

CF3 2WD

4 bed2 bath
£793k

1 Catherine Drive, Marshfield

CF3 2XB

4 bed2 bath
£350k

1 Cambrian Drive, Marshfield

CF3 2TE

5 bed
£649k

1 Clos Medwy, St Mellons

CF3 2AD

4 bed3 bath
£640k

1 Clos Elphan, St Mellons

CF3 2AE

4 bed
£552k

1 Mallards Reach, Marshfield

CF3 2NN

4 bed2 bath

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Method

How to read this page

Where every figure above comes from, how current it is and what it can't tell you.
Valuation method in detail
How the estimate is made
The estimate for 11 Clos Elphan is modelled from its 81 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF3 2AE. It is an automated estimate, not a survey or mortgage valuation: condition, layout and improvements that aren't on record can move the real figure either way.
Where sold prices come from
Sold prices are HM Land Registry Price Paid Data, which covers residential sales in England and Wales since 1995. 2 sales are recorded for 11 Clos Elphan. Sales normally appear two to three months after completion, so the most recent ones take time to show up anywhere.
Reading the EPC
Energy Performance Certificates rate homes from A (most efficient) to G and last 10 years. The latest one for 11 Clos Elphan was lodged in July 2017 at band D and is valid until July 2027. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 2 applications are matched to 11 Clos Elphan. Councils sometimes file applications under a different address format, and applications on neighbouring land aren't listed here; the report covers both.
Area figures
Crime is police-recorded street-level data over the last 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF3 2AE.
Council tax band
11 Clos Elphan is in council tax band G. Bands are set by the Valuation Office Agency from historic values (1 April 1991 in England, 1 April 2003 in Wales), not today's price; the amount you pay depends on the council's rate for the band.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 11 Clos Elphan, St Mellons, Cardiff, CF3 2AE. Each answer is also embedded as structured data for search engines.

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