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House extension comes with a variety of advantages which makes it very easy to see why the extension could be a wonderful uptick in the potential rate of your building in terms of sales. So if you're wanting to construct a new home extension but still not persuaded regarding the task, we're here to assist you. Being fully aware any residence building job is generally a hefty financial investment, there's a big need to be set on your choice before scheduling the start of any work. So are house extensions worth it? Below are a few of the leading benefits provided by house extensions to assist you determine if it's one of the most suitable path for you.

 

What's Associated with Including an Extension?

The actions will certainly differ depending upon the extent of your extension, however you can expect some, if not all, of the below to be entailed when adding an extension 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 applicable) to make certain you can do what you intend to do.
  3. Employing an architect  to prepare the plans, considering your planned use (kitchen, shower room, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance policy supplier to let them know of the planned work ahead of it starting.
  6. Acquiring car parking allows if needed for your service providers to guarantee they have simple access to your home.
  7. Seeing to it all intended work falls within allowed allowables.
  8. Clearing the space as well as excavating if necessary, consisting of the elimination of trees.
  9. Structure work can start.

 

What is the expense of a house extension in city?

If you're considering including a 2 floor house extension, after that establishing a budget for this project would be a excellent means to get started. Similar to a rear extension, a 2 floor extension usually leaves the rest of the building requiring some work and, because of its dimension, this might indicate the re-development of the entire house - which is why they can be extremely costly. A few of the various other affecting aspects that can have large effect on a 2 storey house extension expense includes: your place, the size of the develop, intricacy of the style (anything past the typical construct will typically call for more competence and also time), the glazing to be integrated (the more the glass made use of in the job, the much more the material cost), along with the group used.

Average House extensions cost in Isle Of Coll

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

House extensions installation cost in Isle Of Coll 2026

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

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Requests for House extensions quotations in Isle Of Coll in June 2026. 0% change from May 2026.

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Requests for House extensions quotations in Inner Hebrides in June 2026. 0% change from May 2026.

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Isle Of Coll

Coll is an island situated west of the Isle of Mull in the Inner Hebrides of Scotland. Coll is understood for its sandy beaches, which rise to form large sand dunes, for its corncrakes, as well as for Breacachadh Castle. It is in the council area of Argyll and also Bute. Coll has to do with 13 miles (20 km) long by 3 miles (5 km) broad and has a population of around 150. Coll's sandy beaches rise to develop huge dune. The highest point on Coll is Ben Hogh in the mid west of the island, a ridge with two tops running NW/SE, which rises at first to an elevation of 104 metres (341 ft) with a triangulation column, and to 106 metres (348 feet) 450 metres (492 yd) to the southeast. In the 2011 census, the island's population was recorded as 195, standing for an increase over the previous decade of almost 19%.

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House extensions pros in Isle Of Coll

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.

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FAQs

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.

Can an extension add value to my home?

Yes. Most extensions will add substantial value to your home, and you may find that the extension adds more value than it cost. However, it’s important to be sure that the home remains balanced. Extending your garage and leaving your property with no parking spaces, for example, may impact your ability to sell.

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 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.

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Overall rating:


Isle Of Coll House extensions installers are rated 4.6 out of 5 based on 2 reviews of 5 pros.
The LeadsDoWork rating and review is an overall rating based on verified reviews and feedback from the customers with House extensions projects that have been connected with House extensions pros to help them. All House extensions contractors All Isle Of Coll House extensions contractors

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