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11a, Castle Road, Tongwynlais, Cardiff, CF15 7JQ

1 planning record

Estimated value

£347,000

  • Since the 2012 sale (£195,000)+78%
  • Against CF15 7JQ's recent median (£289,000)+20%

Newest record on this page: December 2025. Land Registry and EPC registers update monthly, so this page can trail them by 2–3 months.

Learn about this valuation
Property type
Detached
Habitable rooms
6
From EPC
Floor area
109 m²
1173 sq ft
Energy rating
D
Score 67
Council tax
Band E
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

£347,000

  • Against its 2012 sale (£195,000)+78%
  • Against CF15 7JQ's recent median (£289,000)+20%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11a is modelled from its 109 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF15 7JQ. 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

    109 m² from the EPC lodged in December 2011

  • Sales of this home

    2 sales recorded, the latest in 2012

  • Recent sales in CF15 7JQ

    5 sales, median £289,000 (2025–2022)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: December 2025Latest available records, read when you order
ValuationEstimate from the last refreshAnalysed against comparable sales
Planning1 applicationFull 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.

11a has more than doubled in price since the earliest registered sale in 1998.

Sales timeline

  1. 29 May 2012Most recent

    £195,000

    +143.8%over 13 years

  2. 16 July 1998

    £80,000

Median price across the last 5 sales in CF15 7JQ: £289,000 (2025–2022).

Risks

What this page doesn't show

Nothing is flagged from the data on this page, but these checks are only run in the report. The detail, evidence and what to ask about it are in the Risks Report.
  • Flood risk from rivers, sea and surface waterIn report
  • Subsidence and ground-stability signalsIn report
  • Refusals, enforcement and big schemes nearbyIn report

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Overview

About 11a

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

11a is a detached house in Tongwynlais, Cardiff, Cardiff (CF15 7JQ). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (December 2011) shows a D (score 67), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 71). The latest certificate is from December 2011, so improvements made since then won't be reflected.

Across 1998–2012, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £347,000 sits 77.9% above the 2012 sale of £195,000. On a £-per-square-foot basis, the last sale (£166/sq ft) was about 22.2% below the postcode norm. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. Last sold in May 2012, so it's been off the market for around 14 years.

Before you decide

Everything you need to know about 11a

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

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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.

11a's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 19 Dec 2021

Current Certificate
Dec 2011

EPC Rating

A
B
C
D
D67
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.2 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 19 December 2021

New assessment needed to sell or let
Planning

Planning history

Applications and permits filed against 11a, Castle Road, Tongwynlais, Cardiff, CF15 7JQ, sourced from the PlanIt planning register.

11a has an approved single-storey rear extension on the planning record.

1 application on record at 11a, Castle Road, Tongwynlais, Cardiff, CF15 7JQ

1decisions1extensions8documents1nearby
  1. May 2016
    ExtensionFull
    Outcome in report

    Extension: Single storey · Rear of property

    SINGLE STOREY REAR EXTENSION TO UPPER FLOOR OF PROPERTY ON SPLIT LEVEL SITE

    Documents
    8 docs on file
    Reference
    16/00865/DCH
    Full record in report

Unlock 11a, Castle Road, Tongwynlais, Cardiff, CF15 7JQ'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 8 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Castle Road homes

Four headline reads against 24 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 11a lags the street by a wide margin.

Price per m²

£1,789

Street avg £3,104

Strongly below

Floor Area

109 m²

Street avg 132 m²

On par

Habitable Rooms

6 rooms

Street avg 6 rooms

Above

CO₂ Emissions

4.2 t/year

Street avg 4.8 t/year

On par
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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Catherine Drive — bus stop.

Nearest stops

  • Catherine DriveBus stop73m
  • Castell Coch ViewBus stop230m
  • Lewis ArmsBus stop361m
  • Wyndham StreetBus stop407m

Most reported crime locally

  • Violence & Sexual Offences366 reports33%
  • Anti-social Behaviour150 reports14%
  • Public Order141 reports13%
  • Shoplifting104 reports9%

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 £595 · 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.
£364k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath
£330k

1 Bute Villa, Taffs Well

CF15 7QP

4 bed1 bath
£323k

1 Cross Street, Tongwynlais

CF15 7NQ

£376k

1 Brynau Road, Taffs Well

CF15 7SA

£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
£398k

1 Clos Llewellyn, Taffs Well

CF15 7AT

4 bed2 bath
£300k

1 Alfred Terrace, Taffs Well

CF15 7RJ

£299k

1 Bute Street, Tongwynlais

CF15 7LJ

3 bed1 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 11a is modelled from its 109 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF15 7JQ. 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 11a. 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 11a was lodged in December 2011 at band D and expired in December 2021, so a new one is needed to sell or let. Floor area, heating and insulation details on this page come from it.
Planning records
Planning applications are collected from local authority registers through PlanIt. 1 application is matched to 11a. 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 13 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF15 7JQ.
Council tax band
11a is in council tax band E. 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 11a, Castle Road, Tongwynlais, Cardiff, CF15 7JQ. Each answer is also embedded as structured data for search engines.

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