Covering Hertfordshire
Our kitchen extensions service in Hertfordshire covers Watford, Hemel Hempstead, Stevenage and St Albans and more.
Homes in the East of England
Across the East of England, newer estates often have integral garages and room for rear extensions, while older towns have Victorian terraces and conservation areas that shape what can be built.
What goes into a kitchen extension?
A kitchen extension is a single-storey extension designed around a new kitchen, usually creating an open-plan kitchen, dining and family space that opens onto the garden. Planning the kitchen layout at the same time as the building means the drains, steels, windows and power end up where the kitchen needs them.
- Planning or permitted development check
- Drainage, gas and electrics planned to the kitchen layout
- Kitchen fitting, worktop templating and appliances
What is the guide price for a kitchen extension in Hertfordshire?
What kitchen extensions typically cost. These are guide ranges; the written quote for your house replaces them.
| Kitchen extensions | Guide price incl. VAT |
|---|---|
| Extension build | £2,600 to £4,000 per m² |
| Kitchen supply and fit, mid-range | £10,000 to £20,000 |
| Kitchen supply and fit, high-end | £20,000 to £40,000 |
Planning and building rules in Hertfordshire
Projects in England go through two separate checks. Planning (or confirmation that the work is permitted development) comes from the district, borough or unitary council, and building regulations approval comes from the council’s building control team or a registered building control approver. Where work touches a shared wall or digs near a neighbour’s foundations, the Party Wall etc. Act 1996 applies.
In England a single-storey rear extension can often go ahead under permitted development: up to 3 m deep on an attached house or 4 m on a detached one, no higher than 4 m, with eaves no higher than 3 m within 2 m of a boundary.
What can affect a kitchen extension?
- Extraction to the outside must be planned before the walls go up.
- Underfloor heating suits large kitchen-diners with glazed walls.
How does the project run?
- Start with a conversation. A short call or the online form is enough for us to understand what you want to build.
- Survey at your house. We look at the existing structure, services and access, and agree what the design needs to achieve.
- Design and fixed price. You get drawings and a written price for the agreed specification before anything is ordered.
- Build and hand over. Our teams build to the programme, building control inspects, and you get the completion paperwork at the end.
Questions about a kitchen extension in Hertfordshire
How much does a kitchen extension cost?
The build is usually £2,600 to £4,000 per square metre including VAT, and the kitchen adds roughly £10,000 to £40,000 depending on the units, worktops and appliances.
Can I use my own kitchen company?
Yes. We work to their drawings and co-ordinate delivery and fitting dates.
Do you work in Hertfordshire?
Yes. Hertfordshire is within our coverage for kitchen extensions, along with nearby Watford and Hemel Hempstead.
Kitchen extensions in nearby towns
- Kitchen extensions in Watford
- Kitchen extensions in Hemel Hempstead
- Kitchen extensions in Stevenage
- Kitchen extensions in St Albans
- Kitchen extensions in Welwyn Garden City
- Kitchen extensions in Cheshunt
- Kitchen extensions in Hatfield
- Kitchen extensions in Bishop's Stortford
- Kitchen extensions in Borehamwood
- Kitchen extensions in Hitchin
- Kitchen extensions in Hoddesdon
- Kitchen extensions in Letchworth Garden City
- Kitchen extensions in Harpenden
- Kitchen extensions in Bushey
- Kitchen extensions in Hertford
- Kitchen extensions in Rickmansworth
- Kitchen extensions in Potters Bar
- Kitchen extensions in Berkhamsted
Learn more about kitchen extensions, or see every project we cover in Hertfordshire.

