North Shields · Tyne and Wear

Two-storey extensions for semi-detached houses in North Shields

A two-storey extension for a semi-detached house is one of the most space-efficient ways to add bedrooms and living space to a house in North Shields, because the new floors share one set of foundations and one roof.

Quick reference for homeowners in North Shields.

Postcode districts
NE29 and NE30
County / area
Tyne and Wear, England
Price region
North East England
Guide price
£50,500–£68,000 (£1,800–£2,430 per m²)
Approval route
Depends on position: a two-storey rear extension may be permitted development (3 m deep, 7 m from the rear boundary); a two-storey side extension needs planning permission.
Nearest towns
Tynemouth (0.9 miles), South Shields (1.4 miles), Whitley Bay (1.6 miles)
Distance to Newcastle upon Tyne
about 7.2 miles
First visit
Free, no obligation

About a two-storey extension for a semi-detached house

This service suits you if you own a semi-detached house and want to add bedrooms and living space without moving. On a semi, the main questions are which side to build on and how to treat the attached neighbour. You get a survey, design options, the approvals your nation needs and the build, carried out by vetted teams working under S&K.

North Shields sits about 7.2 miles from Newcastle upon Tyne. Closer to home, Tynemouth is 0.9 miles away and South Shields 1.4 miles.

What it costs in North Shields

For budgeting in North Shields, allow around £50,500–£68,000 for a two-storey extension for a semi-detached house with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space). That's based on £1,800–£2,430 per m² including VAT for North East England. Keep a contingency of around 10% for things nobody can see until the ground is opened up.

SpecPer m²A 4 m × 3.5 m footprint on two floors (28 m² of new floor space)
Essential£1,660–£2,240 per m²£46,500–£62,500
Standard£1,800–£2,430 per m²£50,500–£68,000
Premium£2,160–£2,920 per m²£60,500–£81,500

Planning and building regulations in North Shields

In England, a two-storey rear extension on a semi can be permitted development if it goes no more than 3 m beyond the original rear wall and stays 7 m from the rear boundary, with matching materials and roof pitch. A two-storey side or wraparound extension always needs planning permission, costing £548 (or £575 for applications made from 8 December 2026). Protected areas such as conservation areas exclude two-storey rear permitted development.

Approval in England: Householder planning application: £548 (or £575 for applications made from 8 December 2026). Lawful development certificate: £274 (about £288 for applications from 8 December 2026). Councils should decide householder applications within 8 weeks of validation.

Building regulations: Building regulations approval (full plans recommended) from the council or a registered building control approver, with a completion certificate at the end.

Design points for North Shields homes

Rear, side or both

On a semi, a rear extension sits against the attached neighbour, while a side extension faces the detached neighbour and the street. We compare the space, cost and approval route for each, and for a wraparound, before you commit to one design.

Keeping the pair balanced

Semis are designed as matching pairs, and a side extension changes that balance. Setting the side extension back from the front wall and keeping its ridge lower helps the pair still read as a pair, which councils' design guides commonly ask for.

How we'd run your project

  1. Free site visit

    We visit your home in North Shields, look at the structure, access and boundaries, and talk through what you want the new rooms to do.

  2. Drawings, then consent

    We draw the scheme, check it against the rules in England, and take it through the right consent with the council.

  3. Fixed price in writing

    With approved drawings and calculations, we give you a fixed build price and a programme you can plan around.

  4. Build

    Foundations, walls, floor, roof, windows, then first and second fix. We break through into the house as late as we can.

Questions about two-storey extensions for semi-detached houses in North Shields

How long does a two-storey extension for a semi-detached house take?

Allow 4 to 8 weeks for survey and design, then the approval period (councils should decide householder applications within 8 weeks of validation), then 4 to 8 weeks of technical design, which can overlap. The build itself usually takes 14 to 20 weeks, longer for large or complex designs.

How much does a two-storey extension for a semi-detached house cost in North Shields?

Our guide for North East England, which covers North Shields, is £1,800–£2,430 per m² including VAT. A typical project with a 4 m × 3.5 m footprint on two floors (28 m² of new floor space) comes to about £50,500–£68,000. Design and approval fees are extra, and we fix the build price in writing once the design is agreed.

Who handles building regulations for a project in North Shields?

We handle it as part of the project. What's needed in England: building regulations approval (full plans recommended) from the council or a registered building control approver, with a completion certificate at the end. We prepare the drawings and the engineer's calculations, book the inspections and pass you the completion paperwork at the end.

Should I extend my semi to the side or the rear?

It depends on your plot and what you need. A rear extension keeps the side drive and can sometimes be permitted development, but it affects the attached neighbour. A side extension keeps the rear garden but always needs planning permission in England. We compare both at the free site visit.

What if my neighbour has already extended?

That often helps. An existing extension next door can reduce the effect of yours on their light, and may show what the council accepts on your street. It can also mean building alongside their wall, so we check its position, foundations and any windows facing your plot at the survey.

Nearby

Close to North Shields? We work across the area, including:

Other extensions in North Shields

All two-storey extension services in North Shields · Two-storey extensions for semi-detached houses across Tyne and Wear

Send us your postcode and a few details. We'll get back to you to arrange a visit and talk through your options.

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