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Antrim, County Antrim

Terraced house rear extension in Antrim

For homes in Antrim, a terraced house rear extension is often the simplest way to gain space without moving. Rear and side return extensions for terraces, with access through the house and two neighbours. We take it from survey to completion certificate.

Antrim sits in County Antrim, with postcode districts including BT41. Terraced streets make up much of the housing in parts of County Antrim, and most rear extensions here go in without side access.

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 terraced house rear extension cost in Antrim?

In Antrim, our guide for a terraced house rear extension is £1,780–£2,870 per square metre including VAT for a standard specification. Northern Ireland prices are the lowest in our range.

Terraced house rear extension prices in Antrim
SizeGuide price inc VAT
3 m wide × 4.5 m deep (13.5 m²)£24,000–£39,000
3 m wide × 6 m deep (18 m²)£32,000–£51,500

These are guide ranges; the written quote after the survey is the figure that counts.

Do you need planning permission for a terraced house rear extension in Antrim?

Planning for a terraced house rear extension in Antrim follows the Northern Irish householder rules.

In Northern Ireland the Planning (General Permitted Development) Order (Northern Ireland) 2015 allows a single-storey rear extension of up to 3 metres on an attached house or 4 metres on a detached house, no higher than 4 metres, with eaves no higher than 3 metres within 2 metres of a boundary. Building control approval from the council is still required.

Northern Ireland has no Party Wall Act. Shared-wall work relies on agreement with your neighbour and the general law, so we put access and protection arrangements in writing before starting.

Conservation areas, Areas of Outstanding Natural Beauty and listed buildings restrict permitted development in Northern Ireland. 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 Antrim like to extend?

Antrim has terraces near the centre, semis on the edges and many detached houses and bungalows in the surrounding countryside, where plots are often generous.

How a terraced house rear extension in Antrim comes together

  1. Survey visit

    We visit free of charge, measure up, check access, drainage and neighbours' extensions, and note what you want the room to do.

  2. Drawings and budget

    Floor plans and elevations for the options, each with a guide price.

  3. Planning and regulations

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

Terraced house rear extensions near Antrim

Neighbouring places we cover include Ballymena (10.4 miles) and Newtownabbey (12.7 miles).

Other work in Antrim:

All rear extensions in Antrim

FAQ

Terraced house rear extension questions in Antrim

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 Antrim house?

We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.

Will my terrace be in a conservation area?

Many Victorian terraces are. Your council's map shows it; we check at the survey.

Do I need a party wall agreement?

Northern Ireland has no Party Wall Act; we agree any shared-wall work with your neighbour in writing.

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.

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.

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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