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11 Castle Road, Tongwynlais, Cardiff, CF15 7JQ

Estimated value

£526,000

  • Since the 2017 sale (£370,000)+42%
  • Against CF15 7JQ's recent median (£289,000)+82%

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
139 m²
1496 sq ft
Energy rating
E
Score 52
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

£526,000

  • Against its 2017 sale (£370,000)+42%
  • Against CF15 7JQ's recent median (£289,000)+82%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11 Castle Road is modelled from its 139 m² EPC floor area, its 1 recorded sale 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

    139 m² from the EPC lodged in September 2016

  • Sales of this home

    1 sale recorded, the latest in 2017

  • 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
PlanningNone on this homeFull 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 Castle Road valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 12 January 2017Most recent

    £370,000

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 11 Castle Road

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

11 Castle Road is a detached house in Tongwynlais, Cardiff, Cardiff (CF15 7JQ). It has a recorded floor area of 139 m² (around 1496 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (September 2016) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump.

At 139 m² the property is well over the postcode median (96 m² across 24 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Today's modelled estimate of £526,000 is 42.2% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£247/sq ft) was about 18.7% above the typical sold price in the postcode. Last changed hands 10 years ago, in January 2017.

Before you decide

Everything you need to know about 11 Castle Road

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.

11 Castle Road's carbon output runs well above what efficient homes in the postcode produce.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 05 Sept 2026

Current Certificate
Sept 2016

EPC Rating

A
B
C
D
E
E52
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.9 t/year
Occupancy
Owner Occupied

Certificate validity

Expired on 5 September 2026

New assessment needed to sell or let
Planning

Planning history

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

11 Castle Road 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.

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.

11 Castle Road is notably below the street on epc rating.

Price per m²

£2,662

Street avg £3,053

On par

Floor Area

139 m²

Street avg 130 m²

Above

Habitable Rooms

6 rooms

Street avg 6 rooms

Above

CO₂ Emissions

6.9 t/year

Street avg 4.7 t/year

Strongly below
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 3 Building Survey

Victorian-eraDetached HouseEPC EPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £1,085 · 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.
£493k

1 Cules Terrace, Taffs Well

CF15 7QJ

5 bed
£469k

1 Birch Hill, Tongwynlais

CF15 7LL

5 bed3 bath
£398k

1 Clos Llewellyn, Taffs Well

CF15 7AT

4 bed2 bath
£376k

1 Brynau Road, Taffs Well

CF15 7SA

£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

£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed

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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 Castle Road is modelled from its 139 m² EPC floor area, its 1 recorded sale 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. 1 sale is recorded for 11 Castle Road. 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 Castle Road was lodged in September 2016 at band E and expired in September 2026, 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. None is matched to 11 Castle Road. 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
11 Castle Road 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 Castle Road, Tongwynlais, Cardiff, CF15 7JQ. Each answer is also embedded as structured data for search engines.

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