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CF5

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New builds in CF5: what they really sell for.

8 new-build homes sold in CF5 in the last 12 months, 1% of all sales. New terraced homes sold for a median £386,000, 40.4% more than existing ones.

Cardiff, covering Caerau, Canton, Dinas Powys, Ely, Fairwater, Llandaff, Pentyrch and St Fagans, Peterston-super-Ely.

New homes sold

8

1% of sales, last 12 months

New-build premium

+40.4%

Terraced homes

Resold, vs market

+15.5%

Market +19.9%

Energy bills

~£601/yr

11% have solar

Developments

Where new homes have sold

New streets with three or more new-build sales in the last two years. Price per m² uses floor areas from each home's energy certificate.

Cilgant Y Coed, LlandaffCF5 2FS · semi-detached, terraced · 3 sold · latest Dec 2025
£665k–£720k£3,412/m²
Y Maes, LlandaffCF5 2FP · detached, terraced · 6 sold · latest Nov 2025
£435k–£670k£3,593/m²
Twyn Y Gleision, LlandaffCF5 2FL · terraced · 7 sold · latest Oct 2025
£617k–£660k£3,443/m²
Rhodfa Ieuan, Capel LlanillternCF5 6GG, CF5 6GH · detached, semi-detached, terraced, flat · 24 sold · latest Sept 2025
£165k–£470k£2,765/m²
Rhodfa Gwernybwla, Capel LlanillternCF5 6GQ · detached, semi-detached, terraced · 14 sold · latest Sept 2025
£258k–£590k£3,326/m²
Gwern Gwynfael, Capel LlanillternCF5 6GE · detached · 3 sold · latest May 2025
£425k–£460k£3,602/m²
Clos Y ParwgCF5 2FE · detached, semi-detached, terraced · 16 sold · latest Apr 2025
£320k–£422k£4,084/m²
Heol CynwrigCF5 2DB · semi-detached, terraced · 4 sold · latest Feb 2025
£330k–£430k£3,736/m²

The premium

New against existing homes

Median sold prices over the last two years. New homes are often a different size, so this is a guide rather than a like-for-like comparison.

Detached

+5.5%

New £443k · existing £420k

14 new-build sales

Semi-detached

+24.6%

New £339k · existing £272k

25 new-build sales

Terraced

+40.4%

New £386k · existing £275k

31 new-build sales

Flat

+15.8%

New £180k · existing £156k

11 new-build sales

Resale

Do new builds in CF5 hold their value?

Bought new, resold

+15.5%

Local market, same years

+19.9%

Kept pace

108 of 339

Typically held 3.9 years

Homes in CF5 that Land Registry records as bought new and later resold, against the UK house price index for the same type of home and years. Shared-ownership first sales are left out.

Running costs

What new homes here cost to run

Energy bills

~£601/yr

Typical 118 m² home

Typical rating

EPC B

Solar panels

11%

of homes

Heat pumps

0%

of homes

From the energy certificates of 47 recently built homes. Certificate costs use standard assumptions, so compare them rather than budget on them. A typical older D-rated home costs nearer £1,800 a year.

HM Land Registry price paid data, standard sales only, to September 2026. New homes appear once their sale is registered, usually a few weeks after completion.

Questions

How much more do new builds cost in CF5?

Over the last two years, new terraced homes in CF5 sold for a median £386,000 against £275,000 for existing ones, a difference of +40.4%. New homes are often a different size or spec, so compare price per square metre for a specific plot.

Do new builds in CF5 hold their value?

339 homes in CF5 bought new and later resold changed by a median +15.5%, typically after 3.9 years. The local market moved +19.9% over the same periods, so buyers of new homes generally lost some of the new-build premium.

Which new developments are selling in CF5?

Recent new-build sales recorded by Land Registry in CF5 include Cilgant Y Coed, Llandaff, Y Maes, Llandaff, Twyn Y Gleision, Llandaff, Rhodfa Ieuan, Capel Llanilltern, Rhodfa Gwernybwla, Capel Llanilltern. New streets appear once the first homes complete.

How do I know if a new build in CF5 is fairly priced?

Compare the asking price per square metre with plots already sold on the development, allow for the new-build premium, and negotiate extras as well as price. Proptel's new-build check does this for one plot for £9.99, with the extras to ask for and a letter for the sales office.

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