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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 June 2026

House extensions Projects in Larne in May 2026

458

Requests for quotations in Larne in May 2026

3

Requests for House extensions quotations in Larne in May 2026. 0% change from April 2026.

80

Requests for House extensions quotations in County Antrim in May 2026. 0% change from April 2026.

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

House extensions searches in cities and towns near Larne May 2026

30

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13

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Requests for quotations in Strabane in May 2026

11

Requests for quotations in Newtownabbey in May 2026

10

Requests for quotations in Banbridge in May 2026

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

Enquiry from: Jo S

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Gable end - single storey

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28 May

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Larne - BT40

Enquiry from: Amanda W

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Single garage attached to house Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Single storey extension Do you have planning permission: No Do you have plan...

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16 Oct

House Extensions

Larne - BT40

Enquiry from: R

Start Date: Immediate

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

Start Date: Immediate

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

Enquiry from: Paul M

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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

Enquiry from: Jennifer K

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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

Start Date: Immediate

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

Enquiry from: Jonathan M

Start Date: Immediate

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

Enquiry from: Paul V

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Quote for brick or concrete garage with roller door and base. Standard size single garage.

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24 Nov

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Holywood - BT18

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Ballyclare - BT39

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Double garage

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28 Jul

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Ballyclare - BT39

Enquiry from: Ian G

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New build house purchased with additional sunroom. Looking to extend the bedroom above the kitchen to the end of the sunroom (sunroom measures 9'10x9'2) to include an ensuite. The house is a tradition...

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Newtownabbey - BT36

Enquiry from: Jeremy M

Start Date: Less than one month

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

where to start with a house extension?

Have you decided to improve your property instead of moving? The common problem most homeowners face after deciding to embark on a home extension project is not knowing where to start. In this article we’ll walk you through everything you need to consider and put in place before commencement of your home extension project.

• Is the extension worth it?

Before breaking the bank, you must be sure that the project will add good value to your home. In terms of “value, this is not only limited to the financial gain after disposal of the property, but also several other juicy benefits to be derived from extending your home like an extra living space for the household to spread out and more.

• Do you need a planning permission?

Check with your local authority to determine whether or not you’ll require to submit an application. You can also consult a building expert like an architect for advice.

• What are the building regulation?

Even though planning permission can be dodged, you can not avoid building regulations. These regulations are the set national minimum standards for construction and design which you must comply with to ensure the safety of the individuals in and around it.

• Who will design the extension?

You have to decided whether you’ll hire a professional architect to design the extension or not.

• Who will manage the building work?

If your home extension project is designed and built by a professional company, they’ll be responsible for the management. However, if you decide to use an architect or designed it yourself, you’ll have to hire a main contractor to manage the build.

• How to set the budget?

There are so many factors that can affect the cost of an extension, so it’s better to get the costs from your builder before proceeding.

• Do I need yo inform my home insurance firm?

Absolutely! This is very important as the new extension may affect the rebuilding cost of your property which could have an impact on the policy premium.

• Do I need to inform my neighbours?

It’s very important to discuss your plan with your neighbours before applying for a planning permission and communicate about the concerns they might have.

how much is a double house extension?

A double house extension is basically a construction to any aspect of your house that elevates up to offer two floors of space. It can be structured to suit your existing home in two storeys or as a side wing on a taller property. If you’re considering building a double house extension, then estimating the cost is a very important task to do before commencing the project. In this article, we’ll give you an idea of the cost of a double house extension so you can estimate yours accordingly.

The double house extension cost depends on several factors that’s specific to your home as well as your design choice. These includes:

• Location of your property. Places like London and the southeast will generally cost more than the other regions due to higher demands.

• Accessibility of the site. The ease of your site’s accessibility also plays a key role in the price.

• Size of the extension. The more the extension’s size in footprint and square metres, the higher the possible costs.

• Materials used in making the roof as well as the complexity of the roof design.

• Your choice of finishing. These includes flooring window and door frames, glazing, underfloor heating and roof lights.

• Your property’s soil type. Different types of soil requires varying treatments as well as materials to develop solid foundations.

Constructing a double house extension is a quite simple build in terms of technicality when its to the side or rear of your house as this can also help you save some money. Generally, considerably expanding your home’s space by building a double house extension will cost within the range of £1,500 per m2 to about £2,800 per m2.

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.

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.

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