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House Extension in city

House extension features a wide range of advantages that makes it simple to see why the extension could be a wonderful uptick in the prospective rate of your residential property in regards to sales. So if you're wanting to develop a new house extension but still not encouraged about the job, we're below to assist you. Being totally conscious any home building and construction job is generally a hefty financial investment, there's a huge demand to be set on your decision prior to scheduling the beginning of any work. So are house extensions worth it? Below are several of the top advantages offered by house extensions to assist you decide if it's one of the most ideal course for you.

 

What's Involved in Adding an Extension?

The steps will differ depending upon the extent of your extension, but you can anticipate some, otherwise all, of the listed below to be involved when including an extension to your house:

 

  1. Acquiring Building Regulations or Planning Permission (if needed as the extension is larger than permitted development).
  2. Checking your leasehold agreement (if applicable) to ensure you can do what you want to do.
  3. Hiring an architect  to draw up the plans, considering your expected usage ( kitchen area, washroom, office).
  4. Hiring a competent builder with experience of larger projects.
  5. Calling your insurance policy supplier to let them understand of the prepared job ahead of it beginning.
  6. Getting car park allows if required for your service providers to guarantee they have simple access to your home.
  7. Ensuring all planned work falls within permitted allowables.
  8. Clearing up the area as well as excavating if needed, including the elimination of trees.
  9. Structure work can begin.

 

What is the cost of a house extension in city?

If you're taking into consideration adding a 2 storey house extension, then establishing a budget for this project would certainly be a terrific way to begin. Comparable to a back extension, a 2 floor extension generally leaves the rest of the structure needing some job and, as a result of its dimension, this might suggest the re-development of the entire house - which is why they can be extremely expensive. Some of the various other influencing elements that can have large effect on a 2 storey house extension cost consists of: your area, the size of the develop, complexity of the design (anything beyond the typical develop will typically require even more knowledge as well as time), the glazing to be integrated (the much more the glass used in the task, the extra the material expense), in addition to the team used.

Average House extensions cost in Cairndow

The regular cost of House extensions are £50,000 in Cairndow. 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 Cairndow, as reported by local LeadsDoWork members.

House extensions installation cost in Cairndow 2025

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

House extensions searches in May 2025

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Cairndow

Cairndow is a coastal community, on the Cowal peninsula in Argyll and Bute, Scottish Highlands. The community exists in between the A83 roadway as well as the head of Loch Fyne. Cairndow's school closed in 1988 after the roll fell to just 3 pupils. Now youngsters in the area are sent out to the primary school in Strachur as well as the high school in Dunoon. Medical facilities for the hamlet are offered by the General Practitioner in Strachur. Kilmorich Church at Cairndow was integrated in 1818 and also is a classification A listed structure. After coming from as an oyster farm in the loch, Loch Fyne Oysters opened its Loch Fyne Oyster Bar in 1988 at Clachan, throughout the head of the loch from Cairndow. The company has expanded right into a restaurant chain, and also the Oyster Bar remains to be a traveler attraction at Clachan, Cairndow.

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House extensions pros in Cairndow

CMK Home Extensions LTD

2 review(s)
Based: in Glasgow, G61 3NU

The alternative to traditional domestic builders CMK Home Extensions bring a modern, professional approach to all your home improvement and extension needs. Whether its a new open plan living space, kitchen diner, family room or sun room we can trans...

Latest review

M M., G12
4

House Extensions in Glasgow

This company has been very pro active in discussing the work to be done whilst waiting for my building warrant.

Similar Customer Enquiries for House extensions in Cairndow

13 May

House Extensions

Cairndow - PA25

Enquiry from: Martyn S

Start Date: 1 to 3 months

Are you the property owner: Owner of the property Property Type: Detached Looking For: Single storey extension Do you have planning permission: No Do you have plans drawn up: Yes Do you require Plumbi...

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06 Apr

House Extensions

Helensburgh - G84

Enquiry from: Allan L

Start Date: Immediate

demolition of brick built double garage, replacement with similar, set at a distance behind extant structure.

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29 Dec

House Extensions

Helensburgh - G84

Enquiry from: Joyce M

Start Date: Immediate

Extension for house being bought, lounge, 2 bedrooms, plus shower room

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14 Feb

House Extensions

Gourock - PA19

Enquiry from: Ian N

Start Date: Immediate

I am only looking for a price for the builder work, that is digging and pouring and building foundations, insulating and pouring concrete floor, a simple drainage connection, building facing brickwork...

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14 Jan

House Extensions

Gourock - PA19

Enquiry from: Ruth T

Start Date: Immediate

Two storey extension Are you the property owner: Owner of the property Property Type: Semi detached Looking For: Double storey extension Do you have planning permission: No Do you have plans drawn up...

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19 Sep

House Extensions

Gourock - PA19

Enquiry from: James C

Start Date: Immediate

Customer visited the myhouseextension.co.uk site and submitted an enquiry. Property type: Detached, Work description: Additional dormer to rear of upper floor to join existing dormer to front of hom...

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09 Aug

House Extensions

Helensburgh - G84

Enquiry from: Emma S

Start Date: Less than one month

Glass box exstention to square off a corner 3m x 15 m possibly lean to style or flat glass Roof . 2 glass walls and a Roof required .my building is a grade b or a listed grade 2 so historic scotland p...

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03 Aug

House Extensions

Helensburgh - G84

Enquiry from: Stuart m

Start Date: 1 to 3 months

House extension Do you have planning permission: No Do you require Electrical Work: Yes Do you require Plumbing Work: Yes Would you like the windows supplied and installed: Yes Would you consider an ...

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31 Oct

House Extensions

Helensburgh - G84

Enquiry from: Stephen C

Start Date: Immediate

Ground works, retaining wall, demolish single garage and build triple garage with store room above.

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27 Sep

House Extensions

Dunoon - PA23

Enquiry from: Peter J

Start Date: Immediate

Specify solid ground floor, small extension, knock through doorway in structural wall.

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11 May

House Extensions

Dunoon - PA23

Enquiry from: Ivar B

Start Date: Immediate

Customers own description of work to be carried out: single storey rear extension, 6.2 x 4 m Patio doors & 4 windows Timber frame with white upvc cladding Marley modern tiles on peak roof with no ...

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FAQs

Do I need my neighbours’ permission for an extension?

Well the reality is, sometimes, neighbours just don’t get along. With several individuals living in close proximity, it’s little surprise they tend to get on one another’s nerves from time to time. However, there’s a difference between having a tiff and being able to transform your house the way you want without having to obtain your neighbour’s approval.

The short and simple answer to this question is, not necessarily. However, you must first educate yourself by thinking about your extension and how it affects the houses around you. We’d strongly recommend you talk proposals through with your neighbour so as to avoid possible conflicts later. There are a number of reasons why your neighbour can protest to your new home extension plans. Let’s take a look!

 

  • In the event whereby your new extension is blocking their view or providing an unwanted shade on their property. Here, they have a legitimate reason to protest as no one would want their once sunny garden suddenly covered or plummet into shade.
  • In the event where it leads to a loss of privacy. For instance, if your new extension possesses a window which overlooks the neighbour’s property in any way. This is likely to be taken as an invasion of privacy and that has a little to no chance of being a welcomed idea.
  • If it’s a major project and going to take a lot of weeks before completion. The noise generated, especially when your neighbours are enjoying your summer holidays or weekends, can make their gardens not as relaxing as it used to be.
how much does a two storey house extension cost?

If you’re considering adding a two storey house extension, then setting a budget for this project would be a great way to get started. Similar to a rear extension, a two storey extension usually leaves the rest of the building needing some work and, due to its size, this may imply the re-development of the entire house - which is why they can be very costly. Some of the other influencing factors that can have big impact on a two storey house extension cost includes: your location, the size of the build, complexity of the design ( anything beyond the standard build will normally require more expertise and time), the glazing to be incorporated ( the more the glass used in the project, the more the material cost), as well as the team used.

Generally, when it comes to extensions, the major part of the expenses will be made on the build of the project. This is because it doesn’t only cover the material cost but also the contractor’s overhead as well as the daily rates. At this stage, the extension prices can be determined by the standard of the work that’s being done.

For a fairly average room size of about 18 square metre, the two storey extension should cost within the range of £2,500 to £3,000 per square metre - with the range being determined by the finishes incorporated. Therefore, a two storey extension of about 18 square metre should cost within the range of £45,000 to £55,000. However, this is with the assumption that there are standard window sizes, bathroom suits are modest, and without any need for any purpose joinery or glazing. If you wish to include all these extra features you’ll also have to pay more to make the total cost between £70,000 to £80,000.

Will my extension be expensive?

It depends on the size and type of extension. Small porches or flat roof extensions are very reasonably priced. More substantial two storey extensions can be expensive. In general, the price is roughly proportional to the amount of space you add to your home.

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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Cairndow House extensions installers are rated 4.6 out of 5 based on 2 reviews of 10 pros.
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