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House Extension in city

House extension features a large range of advantages which makes it simple to see why the extension could be a fantastic uptick in the potential cost of your building in terms of sales. So if you're looking to construct a new house extension but still not convinced regarding the task, we're here to aid you. Being completely mindful any kind of home building work is normally a hefty investment, there's a big need to be set on your decision prior to setting up the start of any type of work. So are house extensions worth it? Below are some of the top benefits used by house extensions to help you determine if it's one of the most ideal course for you.

 

What's Involved in Building an Extension?

The steps will vary depending upon the range of your extension, however you can anticipate some, if not all, of the listed below to be included when including an extension to your house:

 

  1. Getting Building Regulations or Planning Permission (if required as the extension is larger than permitted development).
  2. Examining your leasehold agreement (if relevant) to make certain you can do what you intend to do.
  3. Employing an architect  to draw the plans, considering your intended usage ( cooking area, restroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance coverage carrier to allow them know of the planned work ahead of it beginning.
  6. Acquiring car parking permits if required for your specialists to ensure they have simple accessibility to your building.
  7. Making certain all prepared work falls within allowed allowables.
  8. Cleaning the space as well as digging deep into if necessary, including the elimination of trees.
  9. Building job can begin.

 

What is the price of a house extension in city?

If you're thinking about including a 2 floor house extension, after that establishing a budget for this project would certainly be a terrific method to begin. Similar to a back extension, a 2 floor extension generally leaves the rest of the structure requiring some job and, as a result of its dimension, this may suggest the re-development of the whole house - which is why they can be extremely costly. Some of the various other affecting aspects that can have huge effect on a two floor house extension expense consists of: your area, the dimension of the construct, intricacy of the style (anything past the conventional construct will normally require even more competence as well as time), the glazing to be included (the extra the glass made use of in the job, the a lot more the material price), in addition to the group made use of.

Average House extensions cost in Castlewellan

The regular cost of House extensions are £50,000 in Castlewellan. 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 2025

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 Castlewellan, as reported by local LeadsDoWork members.

House extensions installation cost in Castlewellan 2025

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

House extensions searches in March 2025

House extensions Projects in Castlewellan in February 2025

76

Requests for quotations in Castlewellan in February 2025

1

Requests for House extensions quotations in Castlewellan in February 2025. 0% change from January 2025.

30

Requests for House extensions quotations in County Down in February 2025. -25% change from January 2025.

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

House extensions searches in cities and towns near Castlewellan February 2025

30

Requests for quotations in Belfast in February 2025

13

Requests for quotations in Lisburn in February 2025

12

Requests for quotations in Strabane in February 2025

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Requests for quotations in Newtownabbey in February 2025

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Requests for quotations in Carrickfergus in February 2025

Northern Ireland is the Irish area of the United Kingdom, with the Republic of Ireland providing the remainder of the island. It comes with a population of just over 1.8 million, plus a population density of 133 people per square kilometre. This population is just 3% of the United Kingdom and 28% of people on the island of Ireland. Northern Ireland’s capital city of Belfast holds the most significant population of around 340,000, while Derry and Lisburn have 100,000 and 45,000 respectively. For all your home improvement projects in Northern Ireland, use reputable specialists to make sure you get a high-quality finish.

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Similar Customer Enquiries for House extensions in Castlewellan

24 Jan

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Castlewellan - BT31

Enquiry from: Aislinn M

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Side extension to kitchen

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18 Nov

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Ballynahinch - BT24

Enquiry from: Roger W

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

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13 Sep

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Banbridge - BT32

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My garage is 3 " too short for my new car to fit in and get the door closed. The garage is of rendered breeze block construction with plenty of space behind it. I am wondering if it is possible to b...

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20 Jul

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Large Prk - BT26

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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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14 Jun

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Downpatrick - BT30

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Block built rendered garage average one car..tiled pitch roof

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02 May

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Newry (South Down section) - BT34

Enquiry from: Sean-Art C

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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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14 Apr

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Newry (South Down section) - BT34

Enquiry from: Paul M

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we require a 8m x 4.3m modular extension onto the side of our house. it will be an extension of our kitchen/diner room. are you the property owner: owner of the property property type: semi detached l...

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15 Feb

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Newry (South Down section) - BT34

Enquiry from: Katherine K

Start Date: 1 to 3 months

back of house built up with blocks and new windows, new kitchen and bathroom and building on a wash room and separate bedroom are you the property owner: owner of the property looking for: single stor...

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23 Jan

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Banbridge - BT32

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basic single garage attached to house with external access only are you the property owner: owner of the property property type: detached looking for: single storey extension do you have planning perm...

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10 Nov

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Newry (South Down section) - BT34

Enquiry from: David M

Start Date: Immediate

detached double garage which will need existing drive to be extended as well. are you the property owner: owner of the property do you have planning permission: yes do you have plans drawn up: no do y...

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19 Jul

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Downpatrick - BT30

Enquiry from: Angela G

Start Date: 1 to 3 months

either 8x5m or 6x4m flat roof extension along rear of house to extend existing kitchen and utility atea. are you the property owner: owner of the property looking for: single storey extension do you h...

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08 May

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Downpatrick - BT30

Enquiry from: Ann N

Start Date: 1 to 3 months

are you the property owner: owner have you considered getting your windows replaced to match a new conservatory: no other forms: house extension agreed to receive quotes for selected products: yes pl...

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20 Feb

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Large Prk - BT26

Enquiry from: Richard D

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A double garage with pitched roof min 6m x 6m internal

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16 Dec

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Banbridge - BT32

Enquiry from: Lee W

Start Date: Less than one month

2 story extension approx 300 square feet in total150 ground floor 150 first floor open plan dining and new family room. Are you the property owner: Owner of the property Looking For: Double storey ex...

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17 Sep

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Ballynahinch - BT24

Enquiry from: Graham A

Start Date: Less than one month

20X12ft domestic garage with side door and 8ft wide roller door. Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are you the property ow...

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14 Jun

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Large Prk - BT26

Enquiry from: Sasha F

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We would like a garage extension on the side of the house that would have a utility room and downstairs bathroom within it.

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31 Jul

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Newry (South Down section) - BT34

Enquiry from: David C

Start Date: Less than one month

kitchen extension, plans already approved by building control and available to view. Customer is currently in the process of looking for quotes to add a Single storey extension to their property. Are...

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07 Jun

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Waringsford - BT25

Enquiry from: Raymond R

Start Date: Less than one month

Single story ground extension. Sitting area off the kitchen, with utility and large storage beyond. Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Single s...

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21 May

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Large Prk - BT26

Enquiry from: Stephen S

Start Date: Immediate

3m x 5m red Brick garage. Foundations - concrete plinth?, 1 roller door, 1 access door, 1 window, guttering Are you the property owner: Owner of the property Looking For: Single storey extension Do yo...

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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 to finance a house extension?

Do you want to beautify and increase the value of your home? If yes, a refurb and house extension is definitely a great option to consider. Depending on your home extension project, the value that’ll be added to your home’s resale value varies. However, the cost of completing a house extension project can be huge, so you just might want to consider your financing options. Fortunately, there are various options through which your house extension project can be funded with each having its own pros and cons. Your specific circumstances will determine the one that’s going to work best for you, so let’s take a look at some of the best options to help you fund your project.

• Home Remortgaging

The process whereby a mortgage is transferred from one provider to the other is known as remortgaging. This is usually done to generate funds for a project by entering a more lengthy repayment term commitment when switching. If you want to raise your funds in a quick manner, this process works best.

• Savings

This is a good reason to cultivate a good saving habits. If you’ve been able to save up some mega bucks then you’d probably won’t have to borrow money to finance your house extension.

• Unsecured Loans

If you do not buy into the idea of borrowing more against your property, you may just be able to apply for an unsecured loan especially if you have a good credit record. A secured loan makes use of collaterals like a car or house to serve as a cover for the lender, meanwhile an unsecured loan is based mainly on the credit managing history of the borrower.

• Credit Card

There are some great benefits that comes with financing your small or medium scale extension project with your credit card. Not only does it offer some real lifeline if problems arise during the project, but you can also avoid paying excessive interest on the investment by ensuring your deal has a 0% introductory rate.

What types of extension are there?

There are many different types of extension. For example, you could install an orangery, flat or pitched roof extension, over-structure extension, single or double storey extension or a glass box extension. Which one of these is most suitable will depend on your existing property.

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.

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