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Rushden, Northamptonshire

Glazed rear extension in Rushden

We plan and build glazed and glass-box rear extensions for homeowners in Rushden. Full-height glass, slim frames and big rooflights for the most open rear room. Start with a free site visit, then a written price once the design is agreed.

Rushden is covered from our Northamptonshire round, including NN10. A wide sliding door with one long rooflight, rather than a fully glazed roof, keeps a glass-led extension usable in summer.

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 Rushden?

In Rushden, our guide for a glazed rear extension is £2,720–£4,660 per square metre including VAT for a standard specification. East Midlands prices sit a little below our West Midlands baseline.

Glazed rear extension prices in Rushden
SizeGuide price inc VAT
3 m wide × 4 m deep (12 m²)£32,500–£56,000
4 m wide × 6 m deep (24 m²)£65,000–£111,500

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 Rushden?

Planning for a glazed rear extension in Rushden follows the English householder rules.

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 Rushden like to extend?

Red-brick terraces and semis are typical of Rushden. Coal-mining legacy areas in parts of the East Midlands can need a Coal Authority check before foundations are designed.

How a glazed rear extension in Rushden comes together

  1. Look round and measure

    A free visit to see the back of the house, measure it, check the drains and boundaries and hear what you need.

  2. Options and costs

    We draw layout options and price each one, so the budget shapes the design rather than surprising you later.

  3. Approvals

    Permitted development check, prior approval or planning application, then Building Regulations drawings and structural calculations, plus party wall notices where they apply.

  4. 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 Rushden

Neighbouring places we cover include Wellingborough (4.0 miles) and Kettering (9.2 miles).

Other work in Rushden:

All rear extensions in Rushden

FAQ

Glazed rear extension questions in Rushden

Can I get a price without a visit?

Our online guide-price tool gives a range in a couple of minutes. A written price needs a survey.

How long does a rear extension take to build in Rushden?

Most single-storey rear extensions take 10 to 16 weeks on site and two-storey extensions 16 to 26 weeks, after design and approvals.

Will a glass extension be too hot?

Not if it is designed for its orientation, with solar-control glass, shading and ventilation.

Do I need a party wall agreement?

In England, usually yes if the extension is on or near a shared boundary or the foundations are close to a neighbour's building. We serve the notices.

Do I need planning permission for a rear extension in Rushden?

Often not for a single-storey rear extension of up to 3 metres (4 metres on a detached house) under permitted development, or up to 6 or 8 metres with prior approval, unless the house is in a conservation area or its rights have been removed.

How much does a glazed rear extension cost in Rushden?

As a guide, £2,720–£4,660 per square metre including VAT for a standard specification. For example, 3 m wide × 4 m deep (12 m²): about £32,500–£56,000 at that rate. Your written price follows the survey.

Next step

See what your rear extension would cost

Get a guide price online in a couple of minutes, or book a free site visit and we'll measure up and talk you through the planning route.

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