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Southend-on-Sea, Essex

Wraparound extension in Southend-on-Sea

For homes in Southend-on-Sea, a wraparound extension is often the simplest way to gain space without moving. An L-shaped extension that fills the side return and runs across the back. We take it from survey to completion certificate.

Southend-on-Sea sits in Essex, with postcode districts including SS0, SS1, SS2 and SS3. In Southend-on-Sea we usually draw the wraparound and a simpler rear-only option side by side, so the planning risk and cost difference are clear.

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 wraparound extension cost in Southend-on-Sea?

For Southend-on-Sea we work from the East of England rate: £2,330–£3,820 per square metre of new floor, including VAT, standard specification. East of England prices run slightly above our West Midlands baseline; clay soils near trees are the main foundation variable.

Wraparound extension prices in Southend-on-Sea
SizeGuide price inc VAT
L-shaped, about 22 m² of new floor£51,500–£84,000
L-shaped, about 30 m² of new floor£70,000–£114,500

Ground conditions, glazing, the roof and how far the house is opened up move the final figure within the range.

Do you need planning permission for a wraparound extension in Southend-on-Sea?

Whether your wraparound extension in Southend-on-Sea needs a planning application depends on its size, your house and any local restrictions.

In England the side part of a side return or wraparound must meet the side-extension rules (one storey, under 4 metres high, no more than half the width of the original house), and those rights do not apply on designated land. Because a wraparound combines a side and a rear extension, many need householder planning permission.

Because rear extensions often sit on or near the boundary, the Party Wall etc. Act 1996 usually applies in England. Notices go out one or two months before work depending on the type of work, and a surveyor's award is only needed if a neighbour does not consent.

Conservation areas, National Parks, National Landscapes and the Broads restrict permitted development, and listed buildings always need listed building consent. We check your house's planning history and any conservation area before drawing, so the route is clear before you spend on plans.

What are homes in Southend-on-Sea like to extend?

Post-war semis and newer estates are typical of Southend-on-Sea, and many have room for a full-width extension. Shrinkable clay is common in the East of England, so foundations near trees and hedges are designed to NHBC-style depth guidance.

How a wraparound extension in Southend-on-Sea comes together

  1. Free site visit

    We measure the house and garden, look at the back wall, drainage and boundaries, and talk through what you want from the space.

  2. Options and costs

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

  3. Planning and regulations

    We take the design through the right planning route, then produce the construction drawings and engineer's calculations for building control.

  4. Fixed price and build

    A written price for the agreed design, a start date and a named contact through the build, ending with the building control completion certificate.

Wraparound extensions near Southend-on-Sea

Close by, we work in Rochford, about 3.1 miles away, and Hadleigh, about 4.6 miles away.

Other work in Southend-on-Sea:

All rear extensions in Southend-on-Sea

FAQ

Wraparound extension questions in Southend-on-Sea

Do I need planning permission for a rear extension in Southend-on-Sea?

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.

Is the site visit in Southend-on-Sea free?

Yes. We visit, measure up and talk through the options with no cost and no obligation.

Can the corner be all glass?

Yes, with a steel or aluminium post or a structural glass corner. It needs careful thermal detailing to meet Building Regulations.

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.

How much does a wraparound extension cost in Southend-on-Sea?

As a guide, £2,330–£3,820 per square metre including VAT for a standard specification. For example, L-shaped, about 22 m² of new floor: about £51,500–£84,000 at that rate. Your written price follows the survey.

Do you handle building control in Southend-on-Sea?

Yes. We apply to the council or a registered building control approver and hand over the completion certificate.

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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