Open Plan Extensions

Rear Extensions Specialists

Open Plan Extensions Nottingham

Knock through and extend to create one bright, connected living space where the kitchen, dining and family area flow together. Open plan extensions are the most popular way to modernise a home and add real everyday value.

We handle everything from structural steels and Building Regulations to the final decorating, so your new open plan space is safe, warm and finished to a high standard.

  • Structural steels designed and signed off by our engineers
  • Bright, connected kitchen, dining and living space
  • Fully managed build from survey to finish
200+ Projects Completed
15+ Yrs Local Experience
4.9 ★ Google Rating
100% Planning Success Rate
Free Site Surveys
What It Is

Open plan living, done properly

An open plan extension combines a rear or side extension with the removal of internal walls, so your kitchen, dining room and living area become one large, flowing space. Instead of a run of small, dark rooms, you get a single sociable hub filled with natural light from large glazing, bi-fold doors or roof lanterns.

Because open plan work almost always involves taking out load-bearing walls, the structural side matters. We design and install the correct steel beams, provide the calculations for Building Control, and make sure the new opening is safe and future-proof.

Open plan is best for families who want more usable space, homeowners who love to entertain, and anyone modernising a period property where small rooms no longer suit how they live.

Best For

Busy family homes, keen cooks and entertainers, and older properties with small, closed-off rooms that need opening up and brightening.

Typical Timescale

Most open plan extensions take 10 to 16 weeks on site, depending on size and how many walls are removed.

Benefits

Why choose an open plan extension

  • More natural light – large glazing, bi-folds and roof lanterns flood the space with daylight all day.
  • Better family living – cook, eat and relax together in one connected space where you can keep an eye on the children.
  • Great for entertaining – guests move freely between kitchen and living areas without feeling shut away.
  • Adds real value – a modern open plan kitchen-diner is one of the features UK buyers want most.
  • Flexible layout – zone the space with islands, flooring changes and lighting rather than solid walls.
  • Warmer and more efficient – modern insulation and glazing keep the new space comfortable year round.
Our Process

How we build your open plan extension

1

Free Survey

We visit, measure up and talk through how you want the finished space to work.

2

Design and Steels

Our team draws up plans and our engineer specifies the steel beams for removing walls.

3

Approvals

We handle any planning application and submit calculations to Building Control.

4

Groundwork

Foundations are dug and laid, then the new extension shell is built.

5

Structural Opening

Steels are installed and the internal walls are safely removed to open the space.

6

First and Second Fix

Electrics, plastering, glazing, flooring and the kitchen are fitted.

7

Handover

We finish, clean up and walk you through your new open plan living space.

Guide Costs

Open plan extension costs

Project TypeGuide Price (2026)
Wall removal and single steel beam only£3,500 – £7,000
Small rear extension with open plan layout£35,000 – £50,000
Medium kitchen-diner extension, one wall removed£50,000 – £75,000
Large open plan extension with bi-folds and lantern£75,000 – £100,000+

Prices are guide ranges only and depend on size, finish and the amount of structural work. We give a fixed quote after your free survey.

Planning Note

Planning and Building Regulations

Many open plan extensions fall under permitted development, so full planning permission is not always needed. However, removing load-bearing walls always requires Building Regulations approval and proper structural calculations.

Open plan layouts also have fire safety and ventilation rules to meet, especially where a kitchen opens into a hallway or stairwell. We manage all of this for you, so nothing is missed and everything is signed off correctly.

📋 We Handle

Structural calculations, Building Control notices, party wall matters and any planning application needed for your project.

Areas We Cover

Open plan extensions across Nottinghamshire

Not sure if we cover your street? Give us a call and we will let you know.

Recent Work

Open plan extension gallery

4.9★★★★★

What our customers say

★★★★★

They knocked our kitchen and dining room into one huge open plan space. The steelwork was handled brilliantly and the bi-folds are stunning. We live in here now.

SH
Sarah H.
West Bridgford
★★★★★

Our house felt like a warren of little rooms. Now it is one bright, open family space with a lantern roof. The team explained the structural side clearly at every step.

MP
Mark P.
Beeston
★★★★★

Fantastic open plan kitchen extension. Tidy, on time and everything signed off with Building Control without any fuss. Would recommend to anyone locally.

JD
Jane D.
Arnold
FAQs

Open plan extension questions

Most walls can be removed, but load-bearing walls need a steel beam to carry the weight above. We always check first and design the correct support with proper calculations.

Many rear extensions fall under permitted development, so planning is not always needed. Removing walls always needs Building Regulations approval. We advise you after your survey.

No. Modern insulation, efficient glazing and good heating design keep open plan spaces warm. Underfloor heating is a popular choice for large kitchen-diners.

Most open plan extensions take 10 to 16 weeks on site. We give you a clear schedule before we start so you know what to expect at each stage.

Yes. We use kitchen islands, changes in flooring, lighting and half-height partitions to define separate areas while keeping the open, connected feel.

We plan the work to keep disruption to a minimum, but there will be a period without a full kitchen. Many customers set up a temporary kitchen while we build.

Ready to open up your home?

Book a free site survey and get a clear, fixed quote for your open plan extension.