Derry~Londonderry, County Londonderry
Terraced house rear extension in Derry~Londonderry
For homes in Derry~Londonderry, 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.
We cover Derry~Londonderry (BT48) as part of our County Londonderry work. Terraced streets make up much of the housing in parts of County Londonderry, 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 Derry~Londonderry?
Guide prices for a terraced house rear extension in Derry~Londonderry start from our Northern Ireland rate of £1,780–£2,870 per square metre, including VAT. Northern Ireland prices are the lowest in our range.
| Size | Guide 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 |
We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.
Do you need planning permission for a terraced house rear extension in Derry~Londonderry?
Whether your terraced house rear extension in Derry~Londonderry needs a planning application depends on its size, your house and any local restrictions.
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 Derry~Londonderry like to extend?
Derry~Londonderry 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 Derry~Londonderry comes together
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.
Drawings and budget
Floor plans and elevations for the options, each with a guide price.
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.
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.
Terraced house rear extensions near Derry~Londonderry
Neighbouring places we cover include Strabane (13.6 miles) and Limavady (14.7 miles).
- Terraced house rear extension in Strabane
- Terraced house rear extension in Limavady
- Terraced house rear extension in Portstewart
- Terraced house rear extension in Coleraine
- Terraced house rear extension in Omagh
Other work in Derry~Londonderry:
FAQ
Terraced house rear extension questions in Derry~Londonderry
How much does a terraced house rear extension cost in Derry~Londonderry?
As a guide, £1,780–£2,870 per square metre including VAT for a standard specification. For example, 3 m wide × 4.5 m deep (13.5 m²): about £24,000–£39,000 at that rate. Your written price follows the survey.
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.
How do you keep the house clean?
Dust screens, floor protection and a single protected route through the house.
Do I need planning permission for a rear extension in Derry~Londonderry?
Often not for a single-storey rear extension of up to 3 metres (4 metres detached) under Northern Ireland's permitted development rules, outside conservation areas.
Can you match the brick or stone on my Derry~Londonderry house?
We source the closest match and show you samples before ordering; reclaimed materials are often the best match on older houses.
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.