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DA15

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New builds in DA15: what they really sell for.

0 new-build homes sold in DA15 in the last 12 months, 0% of all sales. New flat homes sold for a median £345,000, 23.2% more than existing ones.

Sidcup, covering Blackfen & Lamorbey, Blendon & Penhill, Crook Log, Eltham Town & Avery Hill, Falconwood & Welling, Longlands.

New homes sold

0

0% of sales, last 12 months

New-build premium

+23.2%

Flat homes

Resold, vs market

+4.1%

Market +8.5%

Energy bills

—

No certificates yet

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.

Station RoadDA15 7AB · flat · 15 sold · latest Jul 2025
£310k–£469k

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.

Flat

+23.2%

New £345k · existing £280k

15 new-build sales

Resale

Do new builds in DA15 hold their value?

Bought new, resold

+4.1%

Local market, same years

+8.5%

Kept pace

1 of 5

Typically held 3.4 years

Homes in DA15 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.

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 DA15?

Over the last two years, new flat homes in DA15 sold for a median £345,000 against £280,000 for existing ones, a difference of +23.2%. New homes are often a different size or spec, so compare price per square metre for a specific plot.

Do new builds in DA15 hold their value?

5 homes in DA15 bought new and later resold changed by a median +4.1%, typically after 3.4 years. The local market moved +8.5% over the same periods, so buyers of new homes generally lost some of the new-build premium.

Which new developments are selling in DA15?

Recent new-build sales recorded by Land Registry in DA15 include Station Road. New streets appear once the first homes complete.

How do I know if a new build in DA15 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