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SN4

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New builds in SN4: what they really sell for.

2 new-build homes sold in SN4 in the last 12 months, 1% of all sales. New detached homes sold for a median £495,000, 2.7% less than existing ones.

Swindon, covering Badbury Park, Eldene & Liden, Chiseldon & Ridgeway, Lyneham, Marlborough West, Royal Wootton Bassett East, Royal Wootton Bassett North, Royal Wootton Bassett South & West, Wroughton & Wichelstowe.

New homes sold

2

1% of sales, last 12 months

New-build premium

-2.7%

Detached homes

Resold, vs market

+10.9%

Market +16.6%

Energy bills

~£729/yr

0% 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.

Grove Farm Close, Royal Wootton BassettSN4 8FZ · detached · 5 sold · latest Oct 2025
£385k–£570k£4,161/m²
Monkbaron, BurderopSN4 0FZ · terraced · 5 sold · latest Mar 2025
£390k–£445k£3,534/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

-2.7%

New £495k · existing £509k

10 new-build sales

Terraced

+52.2%

New £420k · existing £276k

5 new-build sales

Resale

Do new builds in SN4 hold their value?

Bought new, resold

+10.9%

Local market, same years

+16.6%

Kept pace

31 of 70

Typically held 4.5 years

Homes in SN4 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

~£729/yr

Typical 114 m² home

Typical rating

EPC B

Solar panels

0%

of homes

Heat pumps

10%

of homes

From the energy certificates of 10 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 SN4?

Over the last two years, new detached homes in SN4 sold for a median £495,000 against £508,500 for existing ones, a difference of -2.7%. New homes are often a different size or spec, so compare price per square metre for a specific plot.

Do new builds in SN4 hold their value?

70 homes in SN4 bought new and later resold changed by a median +10.9%, typically after 4.5 years. The local market moved +16.6% over the same periods, so buyers of new homes generally lost some of the new-build premium.

Which new developments are selling in SN4?

Recent new-build sales recorded by Land Registry in SN4 include Grove Farm Close, Royal Wootton Bassett, Monkbaron, Burderop. New streets appear once the first homes complete.

How do I know if a new build in SN4 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