Newton Aycliffe, County Durham
Glazed rear extension in Newton Aycliffe
Full-height glass, slim frames and big rooflights for the most open rear room. If you live in Newton Aycliffe and want to know what a glazed rear extension would cost and whether it needs planning, start with the online guide price or a free site visit.
Newton Aycliffe is covered from our County Durham round, including DL4 and DL5. Glass-led rear extensions in Newton Aycliffe are planned around which way the garden faces, because that decides the glass specification.
Book a free site visit
Tell us about the house and we'll call to arrange a free, no-obligation visit.
How much does a glazed rear extension cost in Newton Aycliffe?
A glazed rear extension in Newton Aycliffe is priced at £2,520–£4,320 per square metre including VAT as a guide, before kitchen fit-out and fees. North East prices are among the lowest in our range; former mining ground is the main foundation variable.
| Size | Guide price inc VAT |
|---|---|
| 3 m wide × 4 m deep (12 m²) | £30,000–£52,000 |
| 4 m wide × 6 m deep (24 m²) | £60,500–£103,500 |
These are guide ranges; the written quote after the survey is the figure that counts.
Do you need planning permission for a glazed rear extension in Newton Aycliffe?
Here is how the rules in England apply to a glazed rear extension in Newton Aycliffe.
English permitted development (Class A) allows a single-storey rear extension of 3 metres on a terraced or semi-detached house and 4 metres on a detached one, measured from the original house, with a maximum height of 4 metres and eaves of no more than 3 metres within 2 metres of a boundary.
New fabric must meet Approved Document L (2021 edition incorporating 2023 amendments): walls 0.18, roof 0.15 and floor 0.18 W/m²K, windows 1.4 W/m²K or Band B. Under the simple route, new windows, doors and rooflights should not exceed 25% of the extension floor area plus any openings removed; more glass is possible with a whole-house calculation.
Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. Before any drawing we look up the property's history with the council, because earlier extensions and removed rights change the answer.
What are homes in Newton Aycliffe like to extend?
Terraces and semis are typical around Newton Aycliffe. On terraces a single-storey rear extension across the back yard is usually the practical choice; semis often have room for more.
How a glazed rear extension in Newton Aycliffe comes together
Survey visit
We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.
Design and guide price
Two or three layout options with a guide price for each, so you choose the design knowing what it costs.
Planning and regulations
We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.
Build and sign-off
We build to the approved drawings with regular updates, then hand over the building control completion certificate and any guarantees from suppliers.
Glazed rear extensions near Newton Aycliffe
Neighbouring places we cover include Bishop Auckland (4.9 miles) and Spennymoor (5.7 miles).
- Glazed rear extension in Bishop Auckland
- Glazed rear extension in Spennymoor
- Glazed rear extension in Darlington
- Glazed rear extension in Stockton-on-Tees
- Glazed rear extension in Durham
Other work in Newton Aycliffe:
FAQ
Glazed rear extension questions in Newton Aycliffe
Can I live at home while the extension is built?
Usually yes. Most of the work is outside until the back wall is opened near the end, and that stage is screened off.
Do you handle building control in Newton Aycliffe?
Yes. We apply to the council or a registered building control approver and hand over the completion certificate.
Is a glass box a conservatory?
No. It is built to Building Regulations as part of the house, with insulated floor and roof, so it is usable all year.
Will I need a structural engineer?
Yes for the beam over the new opening and usually the foundations; we arrange them and their calculations go to building control.
Who will build my extension?
Vetted building teams working under contract to us. Your contract is with S&K Property Investments and Improvement Ltd for the design and the build.
Can you match the brick or stone on my Newton Aycliffe house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.