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17 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS

1 planning record

Estimated value

£600,000

  • Since the 2016 sale (£420,000)+43%
  • Against CF15 7TS's recent median (£430,000)+40%

Newest record on this page: August 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
8
From EPC
Floor area
212 m²
2282 sq ft
Energy rating
C
Score 80
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

£600,000

  • Against its 2016 sale (£420,000)+43%
  • Against CF15 7TS's recent median (£430,000)+40%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 17 Tai Dyffryn is modelled from its 212 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF15 7TS. 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

    212 m² from the EPC lodged in April 2022

  • Sales of this home

    1 sale recorded, the latest in 2016

  • Recent sales in CF15 7TS

    5 sales, median £430,000 (2025–2017)

This page or the full report?

DataThis pageFull report
SalesLatest sale shown: June 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.

17 Tai Dyffryn valuation sits well clear of the typical sold price in this postcode.

Sales timeline

  1. 5 May 2016Most recent

    £420,000

Median price across the last 5 sales in CF15 7TS: £430,000 (2025–2017).

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 17 Tai Dyffryn

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

17 Tai Dyffryn is a detached house in Nantgarw, Cardiff, Cardiff (CF15 7TS). It has a recorded floor area of 212 m² (around 2282 sq ft) and construction records dating it to 2007-2011. The latest certificate (April 2022) shows a C (score 80), near the top of the C band. The recommended improvements would push it to B (score 86).

One planning record on file: an annexe approved in 2025. Past consents include an annexe, meaningful when judging how the property has evolved. Last sold in May 2016, so it's been off the market for around 10 years. Today's modelled estimate of £600,000 is 42.9% above the 2016 sale price.

Before you decide

Everything you need to know about 17 Tai Dyffryn

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.

Achieving this rating across a home of this size is uncommon — larger homes typically score lower.

Current Certificate
Apr 2022

EPC Rating

A
B
C
C80
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.2 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 13 April 2032

5 years remaining
Planning

Planning history

Applications and permits filed against 17 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS, sourced from the PlanIt planning register.

1 application on record at 17 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS

1decisions12documents1nearby
  1. Aug 2025
    AnnexFull
    Outcome in report

    Erection of a single-storey ancillary residential annexe to rear garden to provide supported living accommodation for elderly relatives, including two bedrooms (one with en-suite), W/C, food preparation area and associated ecological enhancements (Amended plans received 25/07/2025).

    Documents
    12 docs on file
    Reference
    25/0609/FUL
    Full record in report

Unlock 17 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS'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 12 documents, officer reports & conditions
  • What the pattern means for extending or converting here
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On the street

Versus other Tai Dyffryn homes

Four headline reads against 7 similar houses on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 17 Tai Dyffryn runs comfortably ahead of the street norm.

Price per m²

£1,981

Street avg £2,082

On par

Floor Area

212 m²

Street avg 187 m²

On par

Habitable Rooms

8 rooms

Street avg 7 rooms

Above

CO₂ Emissions

4.2 t/year

Street avg 5.0 t/year

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

85/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Yr Hendre — bus stop.

Nearest stops

  • Yr HendreBus stop134m
  • Heol EdwardsBus stop229m
  • Parc-y-nantBus stop240m
  • Cross Keys InnBus stop255m

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

21st centuryDetached HouseEPC C

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 17 Tai Dyffryn is modelled from its 212 m² EPC floor area, its 1 recorded sale and recent sales of comparable homes in CF15 7TS. 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 17 Tai Dyffryn. 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 17 Tai Dyffryn was lodged in April 2022 at band C and is valid until April 2032. 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 17 Tai Dyffryn. 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 7TS.
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 17 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS. Each answer is also embedded as structured data for search engines.

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