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Ty Isaf Farm, Ty Newydd, Castle Road, Tongwynlais, Cardiff, CF15 7JQ

EPC B

Estimated value

£605,000

  • Since the 2021 sale (£615,000)-2%
  • Against CF15 7JQ's recent median (£289,000)+109%

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
Floor area
161 m²
1733 sq ft
Energy rating
B
Score 91
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

£605,000

  • Against its 2021 sale (£615,000)-2%
  • Against CF15 7JQ's recent median (£289,000)+109%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for Ty Isaf Farm is modelled from its 161 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

    161 m² from the EPC lodged in August 2020

  • Sales of this home

    1 sale recorded, the latest in 2021

  • 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.

Latest sale on Ty Isaf Farm was the highest on Land Registry record across the postcode.

Sales timeline

  1. 19 February 2021Most recent

    £615,000

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 Ty Isaf Farm

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

Ty Isaf Farm is a detached house in Tongwynlais, Cardiff, Cardiff (CF15 7JQ). It has a recorded floor area of 161 m² (around 1733 sq ft). The latest certificate (August 2020) returns a high B (score 91), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 92). Main heating runs on oil.

At 161 m² the property is well over the postcode median (96 m² across 24 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. On a £-per-square-foot basis, the last sale (£355/sq ft) was about 70.4% above the typical sold price in the postcode. Most recent transfer: February 2021 at £615,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

Before you decide

Everything you need to know about Ty Isaf Farm

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.

Ty Isaf Farm ranks among the most efficient homes in the postcode for energy use.

Current Certificate
Aug 2020

EPC Rating

A
B
B91
C
D
E
F
G
Main Heating
Electric & Gas
Main Fuel
Oil
Hot Water
Average
Windows
Very Good
CO2 Emissions
1.9 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 17 August 2030

3 years remaining
Planning

Planning history

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

Ty Isaf Farm 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.

On epc rating, Ty Isaf Farm stands well clear of the street.

Price per m²

£3,820

Street avg £2,985

Strongly above

Floor Area

161 m²

Street avg 129 m²

Above

CO₂ Emissions

1.9 t/year

Street avg 4.9 t/year

Strongly above

Years Held

5 years

Street avg 8 years

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 2 HomeBuyer Report

Detached HouseEPC B

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.

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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 Ty Isaf Farm is modelled from its 161 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 Ty Isaf Farm. 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 Ty Isaf Farm was lodged in August 2020 at band B and is valid until August 2030. 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 Ty Isaf Farm. 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.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about Ty Isaf Farm, Ty Newydd, Castle Road, Tongwynlais, Cardiff, CF15 7JQ. Each answer is also embedded as structured data for search engines.

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