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House extension includes a variety of benefits which makes it very easy to see why the extension could be a terrific uptick in the potential rate of your home in regards to sales. So if you're looking to construct a brand-new house extension yet still not encouraged about the job, we're right here to assist you. Being completely conscious any type of residence building and construction work is usually a heavy investment, there's a big requirement to be set on your decision prior to arranging the start of any type of job. So are house extensions worth it? Below are a few of the leading advantages supplied by house extensions to aid you make a decision if it's one of the most suitable route for you.

 

What's Associated with Adding an Extension?

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

 

  1. Getting Building Regulations or Planning Permission (if called for as the extension is larger than permitted development).
  2. Inspecting your leasehold contract (if suitable) to make certain you can do what you wish to do.
  3. Getting an architect  to create the plans, considering your expected use ( cooking area, shower room, study).
  4. Hiring a competent builder with experience of larger projects.
  5. Contacting your insurance policy company to allow them know of the planned job ahead of it beginning.
  6. Acquiring parking allows if needed for your professionals to guarantee they have simple accessibility to your residential building.
  7. Seeing to it all intended job drops within permitted allowables.
  8. Clearing the space and also digging deep into if needed, consisting of the elimination of trees.
  9. Building work can begin.

 

What is the expense of a house extension in city?

If you're taking into consideration including a two floor house extension, after that establishing a allocate this project would be a terrific method to get started. Similar to a rear extension, a 2 storey extension usually leaves the remainder of the building requiring some work and, due to its size, this might suggest the re-development of the entire house - which is why they can be extremely costly. Several of the various other affecting variables that can have large impact on a 2 storey house extension expense includes: your place, the dimension of the construct, complexity of the style (anything past the common develop will usually need more know-how and time), the glazing to be included (the more the glass made use of in the job, the more the product price), in addition to the group utilized.

Average House extensions cost in Devizes

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

House extensions installation cost in Devizes 2026

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

Devizes is a market community and also civil parish in the centre of Wiltshire, England. It established around Devizes Castle, an 11th-century Norman castle, as well as got a charter in 1141 permitting regular markets, which are held weekly in a free market place. The castle was besieged during the Anarchy, a 12th-century civil war between Stephen of England and Empress Matilda, and also once again during the English Civil War when the Cavaliers (Royalists) lifted the siege throughout the Fight of Roundway Down. Devizes stayed under Royalist control up until 1645, when Oliver Cromwell struck as well as forced the Royalists to surrender. The castle was ruined in 1648 on the orders of Parliament, and also today little remains of it. From the 16th century Devizes became understood for its textiles, as well as by the very early 18th century it held the largest corn market in the West Country, building the Corn Exchange in 1857. In the 18th century, developing, curing of cigarette, and snuff-making were developed. The Wadworth Brewery was founded in the community in 1875. Standing at the west edge of the Vale of Pewsey, the town is about 10.5 miles (16.9 kilometres) southeast of Chippenham and 11 miles (18 kilometres) east-north-east of the county town of Trowbridge. It has virtually five hundred listed structures, some significant churches, a town hall and an eco-friendly in the centre of the town.

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FAQs

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.

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.

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 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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