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NN7

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New builds in NN7: what they really sell for.

7 new-build homes sold in NN7 in the last 12 months, 2% of all sales. New detached homes sold for a median £407,000, 9.6% less than existing ones.

Northampton, covering Billing, Campion, Cogenhoe & The Houghtons, Earls Barton, Hackleton & Roade, Hanslope, Irchester, Long Buckby.

New homes sold

7

2% of sales, last 12 months

New-build premium

-9.6%

Detached homes

Resold, vs market

+9.2%

Market +10.1%

Energy bills

~£565/yr

45% 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.

Sandgrass Lane, HarpoleNN7 4FN · detached, terraced · 5 sold · latest Nov 2025
£263k–£348k£3,677/m²
Marram Crescent, HarpoleNN7 4FD · detached, semi-detached · 14 sold · latest Oct 2025
£308k–£409k£3,123/m²
Melick Drive, HarpoleNN7 4FE · detached, semi-detached, flat · 19 sold · latest Oct 2025
£195k–£523k£3,390/m²
Home Acre, Little HoughtonNN7 1AG · detached · 5 sold · latest Jul 2025
£725k–£915k£4,266/m²
Elm Avenue, HarpoleNN7 4TR · detached · 5 sold · latest May 2025
£360k–£490k£3,539/m²
Hawthorn Close, HarpoleNN7 4TS · detached · 5 sold · latest Mar 2025
£300k–£600k£3,613/m²
West Brook Close, Yardley HastingsNN7 1FA · detached · 3 sold · latest Feb 2025
£675k–£765k£3,971/m²
Oak Road, HarpoleNN7 4JU · detached · 5 sold · latest Dec 2024
£385k–£590k£3,468/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

-9.6%

New £407k · existing £450k

46 new-build sales

Semi-detached

+7.7%

New £318k · existing £296k

15 new-build sales

Flat

+18.9%

New £202k · existing £170k

6 new-build sales

Resale

Do new builds in NN7 hold their value?

Bought new, resold

+9.2%

Local market, same years

+10.1%

Kept pace

21 of 50

Typically held 4.2 years

Homes in NN7 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

~£565/yr

Typical 112 m² home

Typical rating

EPC B

Solar panels

45%

of homes

Heat pumps

7%

of homes

From the energy certificates of 44 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 NN7?

Over the last two years, new detached homes in NN7 sold for a median £407,000 against £450,000 for existing ones, a difference of -9.6%. New homes are often a different size or spec, so compare price per square metre for a specific plot.

Do new builds in NN7 hold their value?

50 homes in NN7 bought new and later resold changed by a median +9.2%, typically after 4.2 years. The local market moved +10.1% over the same periods, so buyers of new homes generally lost some of the new-build premium.

Which new developments are selling in NN7?

Recent new-build sales recorded by Land Registry in NN7 include Sandgrass Lane, Harpole, Marram Crescent, Harpole, Melick Drive, Harpole, Home Acre, Little Houghton, Elm Avenue, Harpole. New streets appear once the first homes complete.

How do I know if a new build in NN7 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