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New builds in SG4: what they really sell for.

20 new-build homes sold in SG4 in the last 12 months, 5% of all sales. New detached homes sold for a median £750,000, 6.2% less than existing ones.

Hitchin, covering Codicote & Kimpton, Graveley, St Ippolyts & Wymondley, Hitchin Bearton, Hitchin Highbury, Hitchin Priory, Hitchin Walsworth, Hitchwood, Knebworth.

New homes sold

20

5% of sales, last 12 months

New-build premium

-6.2%

Detached homes

Resold, vs market

0.0%

Market +3.9%

Energy bills

~£600/yr

56% 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.

Hawthorn Avenue, CodicoteSG4 8DQ · detached, semi-detached, terraced · 25 sold · latest Mar 2026
£200k–£922k£5,576/m²
Magnolia Avenue, CodicoteSG4 8DX · detached, semi-detached · 12 sold · latest Dec 2025
£440k–£875k£5,502/m²
Goldcrest Avenue, CodicoteSG4 8YZ · detached, semi-detached, terraced · 27 sold · latest Dec 2025
£437k–£895k£4,801/m²
Chestnut Grove, CodicoteSG4 8DY · detached, semi-detached · 4 sold · latest Nov 2025
£330k–£850k£5,346/m²
Kestrel Way, CodicoteSG4 8YF · detached · 6 sold · latest Oct 2025
£635k–£885k£5,208/m²
Castlefield, PrestonSG4 7AZ · detached, semi-detached · 5 sold · latest Sept 2025
£575k–£885k£6,319/m²
Billing PlaceSG4 0LZ · flat · 11 sold · latest Aug 2025
£324k–£358k£4,787/m²
Old Dairy, KimptonSG4 8EY · detached · 5 sold · latest Aug 2025
£850k–£1150k£5,908/m²
Oakfields, PrestonSG4 7FB · detached · 8 sold · latest Jun 2025
£780k–£1725k£6,559/m²
Bell Mews, CodicoteSG4 8EW · detached, terraced · 3 sold · latest May 2025
£600k–£845k£5,314/m²
Orchard Place, CodicoteSG4 8DF · detached, semi-detached · 5 sold · latest Dec 2024
£450k–£680k£5,407/m²
Chapman WaySG4 0LF · detached, semi-detached · 8 sold · latest Nov 2024
£630k–£950k£5,524/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

-6.2%

New £750k · existing £800k

77 new-build sales

Semi-detached

-2.9%

New £511k · existing £526k

37 new-build sales

Terraced

+25.3%

New £495k · existing £395k

5 new-build sales

Flat

+42.6%

New £335k · existing £235k

12 new-build sales

Resale

Do new builds in SG4 hold their value?

Bought new, resold

0.0%

Local market, same years

+3.9%

Kept pace

27 of 69

Typically held 4.7 years

Homes in SG4 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

~£600/yr

Typical 115 m² home

Typical rating

EPC B

Solar panels

56%

of homes

Heat pumps

16%

of homes

From the energy certificates of 75 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 SG4?

Over the last two years, new detached homes in SG4 sold for a median £750,000 against £800,000 for existing ones, a difference of -6.2%. New homes are often a different size or spec, so compare price per square metre for a specific plot.

Do new builds in SG4 hold their value?

69 homes in SG4 bought new and later resold changed by a median 0.0%, typically after 4.7 years. The local market moved +3.9% over the same periods, so buyers of new homes generally lost some of the new-build premium.

Which new developments are selling in SG4?

Recent new-build sales recorded by Land Registry in SG4 include Hawthorn Avenue, Codicote, Magnolia Avenue, Codicote, Goldcrest Avenue, Codicote, Chestnut Grove, Codicote, Kestrel Way, Codicote. New streets appear once the first homes complete.

How do I know if a new build in SG4 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