Side Extensions Arnold
Make the most of the space beside your Arnold home. Whether you own a semi on Front Street or a detached property near Arnot Hill Park, a side extension turns a narrow, underused strip of land into a bright new kitchen, utility, dining space or wider hallway.
We are a local Arnold team with more than 15 years building extensions across NG5. From first survey to final coat of paint, we handle the design, planning and build so you get a room that fits your home and your budget.
- Free site surveys across Arnold and NG5
- Full design and planning drawings in-house
- Building Regs and Party Wall handled for you
Side extensions built for Arnold homes
Many Arnold properties, especially the semis and detached houses built between the 1930s and 1970s around Daybrook, Woodthorpe and Killisick, have a side passage or driveway strip that sits empty. A side extension fills that gap and connects it to your living space, adding a genuine extra room rather than a cramped corridor.
The most popular use in Arnold is widening a narrow galley kitchen into an open family kitchen-diner. We also build side extensions for downstairs bathrooms, boot rooms, home offices and wider entrance halls. Because the footprint is often modest, a single storey side extension is one of the most cost-effective ways to gain space here.
Every plan starts with a free survey. We check your boundary lines, drains and the width available so the design works on your actual plot, not a generic template.
Quick facts
Typical Arnold side extension adds 6 to 12 square metres of floor space.
Most single storey side builds take 6 to 10 weeks on site.
Local coverage
Arnold, Daybrook, Woodthorpe, Killisick, Redhill and the wider NG5 area.
Benefits for Arnold homes
- Uses dead space – turns an empty side passage or drive strip into a proper room without losing your back garden.
- Wider kitchens – ideal for opening up the narrow galley kitchens common in Arnold semis into a sociable kitchen-diner.
- Keeps your garden – unlike a rear extension, you build sideways, so children and pets keep their outdoor space.
- Adds value – a well-built side extension typically returns strong value in the NG5 market where family homes are in demand.
- Better flow – a wider hallway or utility removes the pinch points older Arnold houses often suffer from.
- Matched to your home – brick, render and roof tiles chosen to blend with your existing elevation and the street.
Our side extension process
Free survey
We visit your Arnold home, measure the side space, check boundaries and talk through what you want the room to do.
Design and quote
We produce drawings and a clear fixed quote so you know the layout and the cost before committing.
Planning and Regs
We submit any planning application to Gedling Borough Council and prepare Building Regulations drawings.
Party Wall
Where your build sits near a neighbour’s boundary we handle the Party Wall notices and paperwork.
Groundwork and build
Foundations, walls, roof and weathertight shell, kept tidy and to schedule.
Fit-out
Plastering, electrics, plumbing, flooring and decoration to leave the room ready to use.
Sign-off
Final Building Control inspection and completion certificate, then we hand over your new space.
Side extension costs in Arnold
Guide ranges for 2026. Every home differs, so book a free survey for a firm quote.
| Type of side extension | Typical size | Guide cost |
|---|---|---|
| Single storey, basic fit-out | 6 to 8 sq m | £28,000 – £42,000 |
| Single storey kitchen-diner side extension | 8 to 12 sq m | £42,000 – £60,000 |
| Side extension with bi-fold or large glazing | 8 to 14 sq m | £50,000 – £70,000 |
| Two storey side extension | 12 to 20 sq m per floor | £70,000 – £110,000 |
Figures include design, build and standard finishes. Kitchen units, high-end fittings and groundwork surprises are quoted separately.
Planning and permitted development
What Arnold homeowners should know
Arnold falls under Gedling Borough Council. Many single storey side extensions can be built under permitted development, but the rules are stricter for side builds than rear ones.
A side extension must be single storey, no more than half the width of the original house, and no higher than 4 metres to fall within permitted development. Two storey side extensions almost always need a full planning application.
If your Arnold home is on a corner plot, has been extended before, or sits within an Article 4 area, permitted development rights may be reduced. We check this for you at survey stage so there are no surprises.
We handle the paperwork
From planning applications to Building Regs and Party Wall notices, we manage the full process with Gedling Borough Council on your behalf.
Local areas we serve
Not sure if we cover your street? Give us a call and we will let you know.
Side extension gallery
What Arnold homeowners say
They turned our cramped side passage into a lovely open kitchen-diner. The team knew Arnold well and dealt with Gedling planning without any fuss. Tidy, on time and a fair price.
We had a narrow strip down the side of our semi doing nothing. Now it is a proper utility and boot room. Great communication throughout and they cleaned up every day.
Brilliant work on our two storey side extension near Killisick. The brickwork matches the original house perfectly and you would never know it was an addition. Highly recommend to anyone in Arnold.
Side extension FAQs for Arnold
Many single storey side extensions in Arnold fall under permitted development if they are no more than half the width of your house and under 4 metres high. Two storey side builds and corner plots usually need a full application to Gedling Borough Council. We check your situation at the free survey.
As a guide, a single storey side extension in Arnold typically costs between £28,000 and £60,000 depending on size and finish. A two storey side extension usually runs from £70,000. We give a firm fixed quote after surveying your home.
Most single storey side extensions take 6 to 10 weeks on site once we start. Larger or two storey builds take longer. Planning and Building Regs approvals happen before we break ground, and we give you a clear timeline upfront.
Yes. We source brick, render and roof tiles to match your existing elevation, which matters on Arnold’s established streets. The aim is a seamless look, not an obvious bolt-on, so it blends with your home and the surrounding houses.
Yes. Side extensions often sit close to a boundary, so a Party Wall notice may be needed. We prepare and serve the notices for you and keep things straightforward with your neighbours throughout the build.
Ready to gain space beside your Arnold home?
Book a free site survey and get a clear, no obligation quote for your side extension.