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11 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS

Estimated value

£622,000

  • Since the 2021 sale (£470,000)+32%
  • Against CF15 7TS's recent median (£407,000)+53%

Newest record on this page: June 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
Bedrooms
5
Bathrooms
2
Floor area
212 m²
2282 sq ft
Energy rating
C
Score 71
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

£622,000

  • Against its 2021 sale (£470,000)+32%
  • Against CF15 7TS's recent median (£407,000)+53%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 11 Tai Dyffryn is modelled from its 212 m² EPC floor area, its 2 recorded sales 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 July 2020

  • Sales of this home

    2 sales recorded, the latest in 2021

  • Recent sales in CF15 7TS

    5 sales, median £407,000 (2025–2016)

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
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 Tai Dyffryn has more than quadrupled in price since its earliest registered sale in 1997.

Sales timeline

  1. 22 June 2021Most recent

    £470,000

    +1466.7%over 24 years

  2. 3 April 1997

    £30,000

Median price across the last 5 sales in CF15 7TS: £407,000 (2025–2016).

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

One time fee only - money back guarantee

Overview

About 11 Tai Dyffryn

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

11 Tai Dyffryn is a five-bedroom detached house in Nantgarw, Cardiff, Cardiff (CF15 7TS). It has a recorded floor area of 212 m² (around 2282 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (July 2020) shows a C (score 71). The rating has held steady at C across 2 certificates since September 2013. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 82).

Across 1997–2021, sale prices on this property compounded at 12% per year. Today's modelled estimate of £622,000 is 32.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£206/sq ft) was about 28.5% above the typical sold price in the postcode. Sold June 2021 for £470,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.

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
  • Bathrooms2
  • EnsuiteYes

Outside

  • GarageYes

Building

  • RefurbishedYes
Before you decide

Everything you need to know about 11 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.

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

Current Certificate(1 of 2)
Jul 2020

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
6.4 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 6 July 2030

3 years remaining

Property Improvements

Changes detected from historical EPC data

Jul 2020from Sept 2013
Windows
AverageGood

Window efficiency improved

Low Energy Lighting
0%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 11 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS, sourced from the PlanIt planning register.

11 Tai Dyffryn 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 Tai Dyffryn homes

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

CO₂ Emissions for 11 Tai Dyffryn lags the street by a wide margin.

Price per m²

£2,217

Street avg £2,043

Above

Floor Area

212 m²

Street avg 187 m²

On par

Habitable Rooms

8 rooms

Street avg 7 rooms

Above

CO₂ Emissions

6.4 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

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

Late 20th 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.

From £895 · 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
£330k

1 Bute Villa, Taffs Well

CF15 7QP

4 bed1 bath
£305k

1 Cwm Gwynlais, Tongwynlais

CF15 7HU

4 bed
£275k

1 Beechwood Road, Taffs Well

CF15 7RZ

4 bed
£364k

1 Forest Cottage, Castle Road, Tongwynlais

CF15 7JR

3 bed1 bath
£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 11 Tai Dyffryn is modelled from its 212 m² EPC floor area, its 2 recorded sales 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. 2 sales are recorded for 11 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 11 Tai Dyffryn was lodged in July 2020 at band C and is valid until July 2030. 2 certificates are on record, which shows how the home has changed.
Planning records
Planning applications are collected from local authority registers through PlanIt. None is matched to 11 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.
Council tax band
11 Tai Dyffryn 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 Tai Dyffryn, Nantgarw, Cardiff, CF15 7TS. Each answer is also embedded as structured data for search engines.

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