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CF64

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New builds in CF64: what they really sell for.

5 new-build homes sold in CF64 in the last 12 months, 1% of all sales. New detached homes sold for a median £428,750, 23.4% less than existing ones.

Penarth, covering Castleland, Cornerswell, Dinas Powys, Llandough, Plymouth, Stanwell, St Augustine's, Sully.

New homes sold

5

1% of sales, last 12 months

New-build premium

-23.4%

Detached homes

Resold, vs market

+14.7%

Market +23.0%

Energy bills

~£470/yr

60% 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.

Windsor RoadCF64 1JJ · flat · 5 sold · latest Dec 2025
£250k–£695k
Beechwood Road, SullyCF64 5WQ · detached, semi-detached, terraced · 17 sold · latest Aug 2025
£179k–£475k£4,545/m²
Castle Wood Close, SullyCF64 5WS · detached · 8 sold · latest Jul 2025
£343k–£480k£3,791/m²
Castle Wood Road, SullyCF64 5WP · detached, semi-detached · 18 sold · latest Jul 2025
£255k–£495k£3,871/m²
Beechwood Close, SullyCF64 5WW · detached · 6 sold · latest May 2025
£400k–£682k£3,788/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

-23.4%

New £429k · existing £560k

34 new-build sales

Semi-detached

-30.1%

New £255k · existing £365k

8 new-build sales

Terraced

-15.0%

New £255k · existing £300k

9 new-build sales

Flat

+101.6%

New £387k · existing £192k

5 new-build sales

Resale

Do new builds in CF64 hold their value?

Bought new, resold

+14.7%

Local market, same years

+23.0%

Kept pace

35 of 126

Typically held 4.3 years

Homes in CF64 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

~£470/yr

Typical 107 m² home

Typical rating

EPC A

Solar panels

60%

of homes

Heat pumps

0%

of homes

From the energy certificates of 30 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 CF64?

Over the last two years, new detached homes in CF64 sold for a median £428,750 against £560,050 for existing ones, a difference of -23.4%. New homes are often a different size or spec, so compare price per square metre for a specific plot.

Do new builds in CF64 hold their value?

126 homes in CF64 bought new and later resold changed by a median +14.7%, typically after 4.3 years. The local market moved +23.0% over the same periods, so buyers of new homes generally lost some of the new-build premium.

Which new developments are selling in CF64?

Recent new-build sales recorded by Land Registry in CF64 include Windsor Road, Beechwood Road, Sully, Castle Wood Close, Sully, Castle Wood Road, Sully, Beechwood Close, Sully. New streets appear once the first homes complete.

How do I know if a new build in CF64 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.

© 2026 Proptel · Property data for buyers