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House Extension in city

House extension features a large range of advantages which makes it very easy to see why the extension could be a great uptick in the potential cost of your property in terms of sales. So if you're seeking to construct a new residence extension yet still not persuaded about the task, we're here to assist you. Being fully conscious any type of house building and construction job is normally a heavy financial investment, there's a significant requirement to be set on your decision before setting up the commencement of any job. So are house extensions worth it? Below are a few of the leading benefits used by house extensions to aid you decide if it's one of the most appropriate course for you.

 

What's Associated with Building an Extension?

The steps will vary relying on the range of your extension, however you can expect some, if not all, of the below to be involved when adding an expansion to your home:

 

  1. Acquiring Building Regulations or Planning Permission (if required as the extension is larger than permitted development).
  2. Examining your leasehold agreement (if relevant) to see to it you can do what you wish to do.
  3. Enlisting an architect  to draw up the plans, considering your intended use ( kitchen area, restroom, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance policy provider to let them know of the planned job ahead of it beginning.
  6. Acquiring vehicle parking allows if required for your contractors to guarantee they have very easy access to your residential property.
  7. Making certain all planned work falls within allowed allowables.
  8. Clearing the space and also digging deep into if essential, including the elimination of trees.
  9. Structure job can begin.

 

What is the price of a house extension in city?

If you're considering including a 2 floor house extension, then establishing a allocate this project would be a fantastic method to get going. Similar to a rear extension, a 2 floor extension generally leaves the remainder of the structure requiring some work as well as, because of its dimension, this might imply the re-development of the entire house - which is why they can be very expensive. A few of the various other affecting elements that can have large impact on a two storey house extension price includes: your place, the dimension of the develop, complexity of the layout (anything past the conventional develop will generally call for more know-how and time), the glazing to be incorporated (the extra the glass used in the task, the extra the product price), in addition to the group utilized.

Average House extensions cost in Larne

The regular cost of House extensions are £50,000 in Larne. Costs vary based upon the materials and the company picked. The upper price range can be as high as £68,000. The material costs are in most cases around£10,500.

Average price per House extensions job in 2026

Avg. price low

Avg. price low
£42,000

Avg. price

Avg. price
£50,000

Avg. price high

Avg. price high
£68,000

£68500

£51375

£34250

£17125

£0

Prices based on actual House extensions costs for Larne, as reported by local LeadsDoWork members.

House extensions installation cost in Larne 2026

Labour cost £27,000
Material cost £10,500
Waste removal £2,500
Time frame: 10-14 weeks

House extensions searches in September 2026

House extensions Projects in Larne in August 2026

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3

Requests for House extensions quotations in Larne in August 2026. 0% change from July 2026.

80

Requests for House extensions quotations in County Antrim in August 2026. 0% change from July 2026.

Source: Numbers calculated based on the search volumes in major search engines

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Larne

Larne is a civil parish, a seaport and industrial market town on the east coast of County Antrim in Northern Ireland. According to the 2011 Census, there is a permanent population of 32000 residents, which means that the Northern Ireland Statistics and Research Agency has categorised Larne as a Large Town. The town has actually been taken advantage of as a seaport for in excess of 1000 years, and is now a major passenger and freight roll-on roll-off port. The administration of Larne is completed by the Mid and East Antrim Borough Council. Integrated with the neighbouring district of Carrickfergus and a part of Newtonabbey, it constitutes the East Antrim constituency for the elections to the Westminster Parliament and the Northern Ireland Assembly. Larne is home to Ballylumford power station, which is the principal power station in Northern Ireland that generates half of Northern Ireland's electricity. There is a huge selection of shops in Larne Main Street, Dunlunce Street and Laharna Retail Park, supplying locals and visitors a mixture of independent and commercial chain stores. There is also a range of large grocery stores off the Harbour Highway. Every Wednesday a variety market is held at the Larne Market Yard. There is a variety of parks readily available to members of the public. The town park lies above the picturesque promenade area, with walks from Waterloo Bay to the Chaine Memorial at Sandy Bay. This is a lighthouse and a remembrance to the founder of Larne Harbour sea route to Scotland. The Curran Park is particularly popular, providing a large children's playing area, bowling and a camping location. For all of your home upgrades, make certain to make use of trustworthy contractors in Larne to make certain of quality.

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Similar Customer Enquiries for House extensions in Larne

16 Jul

House Extensions

Larne - BT40

Enquiry from: Heather G

Start Date: Immediate

single story extension to side of the house to contain a bedroom with en-suite, utility room and downstairs toilet. please call to appoint customer is currently in the process of looking for quotes t...

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09 Jan

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Larne - BT40

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28 May

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16 Oct

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Larne - BT40

Enquiry from: R

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2 storey side extension to 3 bed chalet style wimpy house. Removal of existing detached garage at side of house.

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15 Oct

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Larne - BT40

Enquiry from: Michelle M

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House Extension Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: No Would you require assistance to gai...

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14 Aug

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Larne - BT40

Enquiry from: Greg A

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Home owner Customers description : 2 story house, 3 bedrooms, has currently a flat roofed attached garage. intention is to extend house by adding a habitable room above the garage and extend pitched...

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14 Feb

House Extensions

Holywood - BT18

Enquiry from: Ali N

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customer made an enquiry for house extension and confirmed on the quotatis site they would like quotes from a builder.customer lives in the holywood area and would like a call to discuss options.see b...

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19 Oct

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Holywood - BT18

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customer in holywood area has requested that we arrange quotes for their house extension project.mr are considering various options and would like to discuss with a builder directly.please call to dis...

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17 Feb

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Newtownabbey - BT36

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Extension to side of house split into different rooms with 1 being wet room Bedroom utility room

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21 Sep

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Bangor (within Ring Road) - BT20

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customer has a extensions & conversions project they are looking to have done, specially they want quotes for house extension. they are unsure of options so would like to discuss with a builder.confir...

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10 May

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Ballyclare - BT39

Enquiry from: Whyed G

Start Date: 1 to 3 months

customer made an enquiry for house extension and confirmed on the quotatis site they would like quotes from a builder.customer lives in the ballyclare area and would like a call to discuss options.see...

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05 Apr

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Newtownabbey - BT37

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customer requested quotes for house extension from a builder around newtownabbey. they are considering a couple of projects at the moment.call anytime to arrange appointment to discuss. the informatio...

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09 Apr

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Carrickfergus - BT38

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A single story modular extension with a 3 rooms, a living room and a very small kitchen and bathroom

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20 Feb

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Carrickfergus - BT38

Enquiry from: Thomas M

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3m x 6m Garage with a Pitch roof - Rendered walls Gable Fronted Roof 3.2m x 6.45m Externally 18m² Ground Floor Area 4" side walls and 9" end walls Single side door and window 7' x 7' Up and O...

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29 Jan

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Carrickfergus - BT38

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Front porch pvc panels and glass, Are you the property owner: Owner of the property Do you have planning permission: No What material are you looking for: uPVC What material would you like the roof ...

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19 Jan

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Ballyclare - BT39

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24 Nov

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Holywood - BT18

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Ballyclare - BT39

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28 Jul

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Ballyclare - BT39

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Newtownabbey - BT36

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I would like to hear options and prices for extending the back bedroom of my 3 bedroom bungalow and add an en suite facility. Customer is currently in the process of looking for quotes to add a Single...

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FAQs

are house extensions worth it?

Often referred to by many as the holy grail of home improvements, house extension comes with a wide range of benefits which makes it easy to see why the extension could be a great uptick in the potential price of your property in terms of sales. So if you’re looking to build a new home extension but still not convinced about the project, we’re here to help you. Being fully aware any home construction work is usually a heavy investment, there’s a huge need to be set on your decision before scheduling the commencement of any work. So are house extensions worth it? Below are some of the top benefits offered by house extensions to help you decide if it’s the most suitable route for you.

• Add To Your Home’s Value

Building an home extension is a great way to add value to your home before selling. Increasing the living space of your home is an incredible appeal to many buyers which significantly increases your property’s total value. However, you must ensure that the extension is impressively designed using top quality materials in order to generate more value.

• Good Alternative To House Moving

The most common reason for moving is usually due to a lack of sufficient space, but with house prices steadily on the increase a cost effective alternative is highly sought after. This alternative is house extension which creates more space for the household to spread out and have more privacy.

• You May Not Require A Planning Permission

You can extend your house and still not need to apply for a planning permission. To achieve this, simply comply with the laid down rules set under the permitted development rights.

• Extra Living Space

If you fill you’re starting to outgrow your existing structure and do not buy into the idea of moving, then your best bet might just be to extend your home.

how long do house extensions take?

If you’re about to start your house extension project and wondering how long it’ll take to complete, you’re not alone! This is one of the most common questions that’s asked by homeowners in the UK and across the globe. However, there’s no single precise answer for this as there are multiple factors that’ll affect the length of time it’ll take to complete your home extension. These factors include the size of the construction work as well as whether you’re planning to live in the house after completion or otherwise.

For a single extension, the length of time it’ll take to complete the home extension is normally up to 3 months. So let’s break this down:

As you would have expected, the first step to be taken is the preparation of the site. You start by digging out the footing and preparing the foundation which should take about 2 weeks. This is then followed by the damp course installation as well as the fitting of any drains needed around the extension which will also take a further 2 weeks.

The 5th week will be for the construction of the external walls as well as putting the blockwork in place for the provision of the cavity wall insulation. A further 2 weeks after this, will be dedicated to the installation of the roof structure and the internal walls.

It’s at this junction that you’ll call on your weather proof installer to fit in your uPVC windows and doors. Once done, the gas fitters and electricians will have to be on site to connect power to your new extension building. Subsequently, this will be followed by internal wall plastering as well as breaking through your main house. Once the plaster is dried, decorations completed and all the required furniture and units installed, the extension is ready for use.

how much value does an extension add to your house?

Are you interested in extending your home to create more living space? If yes, then you’d probably want to know how much value it can add to your property in order to compare the building costs to the potential value gain. Well, as long as you know what you’re doing, your house doesn’t necessarily have to be a money pit. So what are your options when talking about home extensions and what’s the associated value to be gained?

• Bathroom Extensions

Although you should have it in mind that bathroom extensions isn’t usually that cheap, but once done, it can increase the value of a standard UK house within the range of £12,000 to £15,000. Meanwhile the finishing cost of a bathroom can range from £2,500 to £7,000.

• Single or Double Storey Extensions

Single storey extensions are always huge when it comes to increasing the value of your home - giving about 4 to 7 percent increase. If it goes that far, then literally nothing beats a full spectrum, double storey extension which can give up to 11 percent increase in the value of a property - equalling about a whooping £33,000 for a standard home in the UK.

• Conservatory Extension

With conservatories becoming more and more popular in the UK due to the weather conditions, several buyers are now including it’s availability as part of the criteria for purchasing a house. Wonder why? This is simply because everyone wants to enjoy their garden all throughout the year. As a result of this high demand, adding this type of extension to your house can go a long way to increase it’s value. However, it’s very important to incorporate high quality materials during construction. With glass conservatories offering, on the average, up to £5,000 increase in value, the cheaper PVC alternative offers much less value and can also deter potential buyers.

when do you need planning permission for a house extension?

If you’re planning on adding a house extension to your property, you’d probably be worried about whether or not your proposed extension would require a planing permission. Well, it may be relieving to know that not every house extension project would require a formal consent, and in fact, several extensions are covered by the permitted development rights. Not only can this save you a considerable amount of time especially at the project’s planning phase, but it’ll also save you money on the application fee. In the UK, single storey extensions to the house’s rear can be 3 metres deep for both semi detached houses and terraces or 8 metres deep for detached homes.

So how do you know when you’d require a planning permission for your home extension? Well, if your extension plan fits these criteria explained below, then your project is most likely going to be allowable as a permitted development.

• Extensions, which includes previous additions, must not go beyond half of the original house’s total surrounding land area.

• The main elevation, or side elevation where it fronts the highway, must not be extended forward.

• For single storeys, the rear additions must not extend more than the original house’s rear by more than 3 metres in both semi attached homes and terraces (4 metres for detached houses).

• Extensions to the side must be a single storey with a height not exceeding 4 metres and not going beyond 50% of the original house’s width.

• Extensions hat within 2 metres of a boundary should have a eaves height not more than 3 metres.

• Multi storey addition must not extend beyond the original house’s rear wall by a maximum of 3 metres or 7 metres of the boundary opposite the rear wall.

• Permitted development rights do not apply in listed buildings or designated areas.

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