Skip to content
UK Property Looker

21 Llwyn Y Grant Terrace, Penylan, Cardiff, CF23 9EW

Estimated value

£603,000

  • Since the 2022 sale (£570,000)+6%
  • Against CF23 9EW's recent median (£480,000)+26%

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
End terrace
Bedrooms
4
Bathroom
1
Floor area
165 m²
1776 sq ft
Energy rating
D
Score 55
Council tax
Band G
Tenure
Owner Occupied
Get directions (opens in a new tab)
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

£603,000

  • Against its 2022 sale (£570,000)+6%
  • Against CF23 9EW's recent median (£480,000)+26%

Your note and figure are shown publicly on this page.

How the estimate is made

The estimate for 21 Llwyn Y Grant Terrace is modelled from its 165 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 9EW. 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

    165 m² from the EPC lodged in January 2022

  • Sales of this home

    2 sales recorded, the latest in 2022

  • Recent sales in CF23 9EW

    5 sales, median £480,000 (2025–2021)

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.

Sale price has grown by over 3x since 2004.

Sales timeline

  1. 14 August 2022Most recent

    £570,000

    +264.2%over 18 years

  2. 7 April 2004

    £156,500

Median price across the last 5 sales in CF23 9EW: £480,000 (2025–2021).

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 21 Llwyn Y Grant Terrace

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

21 Llwyn Y Grant Terrace is a four-bedroom end-of-terrace house in Penylan, Cardiff, Cardiff (CF23 9EW). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (January 2022) shows a D (score 55), a step below the typical UK home. The recommended improvements would push it to C (score 79). Period features are noted in the property record.

Across 2004–2022, sale prices on this property compounded at 7.3% per year. On a £-per-square-foot basis, the last sale (£321/sq ft) was about 90.4% above the typical sold price in the postcode. Most recent transfer: August 2022 at £570,000. 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

  • Bedrooms4
  • Bathrooms1
  • Dining roomYes
  • Utility roomYes
  • CloakroomYes

Outside

  • Private gardenYes
  • GarageDouble

Building

  • Period featuresYes
Before you decide

Everything you need to know about 21 Llwyn Y Grant Terrace

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

Pick your report · from £14.99

One time fee only - money back guarantee

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.

21 Llwyn Y Grant Terrace's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate
Jan 2022

EPC Rating

A
B
C
D
D55
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
8.0 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 19 January 2032

5 years remaining
Planning

Planning history

Applications and permits filed against 21 Llwyn Y Grant Terrace, Penylan, Cardiff, CF23 9EW, sourced from the PlanIt planning register.

21 Llwyn Y Grant Terrace has no planning applications on record.

2

But the area is active

2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

On the street

Versus other Llwyn Y Grant Terrace homes

Four headline reads against 13 similar houses on this street, drawn from the latest EPC and Land Registry data.

21 Llwyn Y Grant Terrace outperforms the street on price per m² by a wide margin.

Price per m²

£3,455

Street avg £2,662

Strongly above

Floor Area

165 m²

Street avg 150 m²

Above

Habitable Rooms

9 rooms

Street avg 7 rooms

Strongly above

CO₂ Emissions

8.0 t/year

Street avg 5.9 t/year

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

169/mo

Falling year-on-year across the wider district.

Nearest stop

0.1 km

Ysgol Bro Edern — bus stop.

Nearest stops

  • Ysgol Bro EdernBus stop137m
  • Penylan TerraceBus stop158m
  • GreenlawnsBus stop174m
  • Lothian CresBus stop288m

Most reported crime locally

  • Violence & Sexual Offences995 reports33%
  • Anti-social Behaviour345 reports11%
  • Public Order344 reports11%
  • Shoplifting340 reports11%

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-eraEnd-Terrace HouseEPC DPre-1919 build

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

From £1,155 · 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.
£442k

1 Earl S Court Road, Penylan

CF23 9DD

4 bed
£417k

1 Hugon Close

CF23 9BY

3 bed1 bath
£350k

1 Firstbrook Close

CF23 9ER

3 bed2 bath
£337k

1 Kingwood Close, Penylan

CF23 9HE

3 bed1 bath
£198k

1 Bryn Y Nant, Llanedeyrn

CF23 9NZ

3 bed
£568k

1 Clos Gwrgi, Penylan

CF23 9FQ

£450k

1 Barons Court Road, Penylan

CF23 9DF

£450k

1 Colchester Avenue, Penylan

CF23 9BN

Property research, connected

Get up to date data on unlimited properties per month

Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.

Start your research
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 21 Llwyn Y Grant Terrace is modelled from its 165 m² EPC floor area, its 2 recorded sales and recent sales of comparable homes in CF23 9EW. 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 21 Llwyn Y Grant Terrace. 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 21 Llwyn Y Grant Terrace was lodged in January 2022 at band D and is valid until January 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. None is matched to 21 Llwyn Y Grant Terrace. 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 18 months, which places each incident at an approximate point. Schools and stops are measured in a straight line from CF23 9EW.
Council tax band
21 Llwyn Y Grant Terrace 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 21 Llwyn Y Grant Terrace, Penylan, Cardiff, CF23 9EW. Each answer is also embedded as structured data for search engines.

Know this home? Think our valuation is wrong?

Leave a note for other visitors about work done or anything the records miss, and say what you think it's worth. It takes about two minutes.

Keep exploring