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Home Extensions: The Ultimate 2024 Guide

Extensions

Introduction

If you’re looking for a way to improve your property’s value and add more room, an extension could be an excellent match for you.

But what is involved in getting an extension? How much planning needs to be involved? How much does it cost?

Don’t worry; you can find all the answers you need in this guide.

In this guide, you’ll find out everything you need to know about extensions, including what they are, plus the costs and fees.

Ready to get going?

Let’s go!

What’s in this guide?

What is an extension?

Extensions are some of the most popular home improvements projects because they allow you to add more space onto your home, they are often insulated, and they can be customised to your specific tastes.

This can save you from needing to move to a bigger home, but there are some potential downsides to opting for an extension like the price and planning involved.

When should you extend your home?

Many costs go into moving; not only the actual price of your new home but also agents fees, legal fees and things like stamp duty.

For the same price, or perhaps even less, you could opt for extending your home instead, so if you’re expecting a new family member, you might not need to go through the stress of moving.

Or, you might choose to have an extension to raise the overall price of your property.

How much does an extension cost?

The cost of your extension will vary hugely depending on the size, materials used, whether it needs to be an extension of an existing room and a whole new room.

  • Orangery: £1,250 – £2,450 per square meter
  • Loft conversion: £30,000 – £50,000
  • Garage conversion: £850 – ££1,050 per square meter
  • Cellar conversion: £850 – ££1,050 per square meter
  • Side extension: £1,050 – £1,450 per square meter
  • Single storey extension: £1,050 – £1,450 per square meter

You should always compare your options when you are deciding what kind of extension is right for you, as well as which extension company is right for you.

Planning Permission

As this is an extension, not a conservatory or greenhouse, for example, you will need to take planning permission and regulations into consideration before you commit to building an extension.

Here are some popular rules that need to be adhered to:

  • You can’t build an extension that covers over half of the land around the original property
  • The roof can’t be made to be higher than the roof of your property
  • Maximum extension of a single storey extension at the back of your home can’t be more than 3m for an attached home, or 4m for a detached home
  • The limit will be increased to 6m for an attached house, and 8m for a detached house in 30th May 2019
  • A roof pitch that is higher than a single storey needs to match the existing house
  • There needs to be no balconies, verandas or potentially anything like a raised platform

There may be many more or fewer rules that apply to you depending on your situation, so it is always advisable to speak to specialists and experts to check what you need to do.

Plus, committing to an extension that is technically ‘illegal’ would mean that local authorities are allowed to destroy it, which could mean you’d have wasted a lot of money.

Building Regulations

As well as considering planning permissions, there are also building regulations to consider when you are planning to build an extension.

This helps you to ascertain whether it is safe for you to build your extension, so for loft conversions, this might mean ensuring that the floor and ceiling are safe.

You need to get architectural plans drawn by an architect, and will usually be approved by your local council before you can get started.

Also, your building team will need to create a safety plan to ensure that the site is safe for all of the workers.

Design

You can usually work with an extension company to help you to design your perfect extension, whether it is adding a meter to an existing room or creating a whole new place like a lounge or kitchen for example.

They will often take building regulations and planning permissions into consideration, which can save you a lot of time when getting an accurate quote for your building.

Alternatively, a specific architect or firm could help you to design your extension, if there is a particular style that you want which you can’t find elsewhere.

Materials

There is usually a wide range of solutions available when it comes to the elements that you can choose for your extension, which include these options:

Frame

  • Brick
  • Wood
  • uPVC
  • Metal

Windows

  • Self-cleaning glass
  • Solar or heat reflective glass
  • Laminated glass
  • Triple glazed glass
  • Curved glass
  • Toughened glass
  • Frosted glass

Floors

  • Tiles
  • Wood
  • Concrete
  • Epoxy

Building

Usually, the preferable way to find a builder is by searching a reputable website such as Trust a Trader or using the TrustMark website.

These traders will be vetted and trusted by the Government, or have reviews from customers so you can see what their customers have said about them.

This can better help you to make an informed decision about which builders might be best for you.

Another option is to use a well-known brand such as Everest, who will not only supply your design and materials but also install it for you.

Top 10 Extension Companies

1. Simply Extend

Simply Extend

Type: Extension company

Offers: Extensions

Google Score: 4.2/5

Simply Extend is a company that has ten years of experience designing a range of extensions such as those for the side of your home, wrap around extensions and traditional rear extensions.

Their extensions are designed to be 100% bespoke to match your needs; they offer fixed prices and a 10-year warranty to ensure that you are comfortable with your purchase.

They offer a range of extension styles which include contemporary and modern structures, which can be minimalist or you can include installed products such as for a kitchen or living room.

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2. HET Extensions

HET

Type: Extension company

Offers: Extensions

Google Score: 3/5

HET Extensions is a Hertfordshire based extension company who can provide their customers with high-quality extensions, with over 1,500 home improvements to their name and 27 years of experience.

They can help you to design and construct your extension right from the initial free consultation right to when your project is completed.

In HET Extension’s case studies, you can find evidence of their work from corner extensions, single storey extensions and renovations.

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3. The London Kitchen Extension Company

The London Kitchen Extensions Company

Type: Extension company

Offers: Kitchen extensions

Trusted Traders Score: 4.5/5

The London Kitchen Extension Company is a highly rated business who specialises in designing and installing kitchen extensions for their customers.

Based in Wandsworth, the London Kitchen Extension Company has worked on a variety of kitchen extensions, which can be designed to match your aesthetic needs such as modern or traditional styles.

On Trusted Traders by Which? They have many positive reviews which state that their customer service and product are of excellent quality.

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4. Apt Renovation

Apt Renovation

Type: Extension company

Offers: Extensions, renovations, conversions

Google Score: 5/5

Apt Renovation offers a wide range of services and products such as extensions, renovations and conversions for lofts and outside spaces.

Their extensions can be used for living spaces, conservatories and kitchens, which can be catered to your needs in terms of uses and installed products.

On their Google page, they have many excellent reviews which say that they provide a professional and honest service.

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5. Dreton

Dreton

Type: Extension company

Offers: Extensions, conversions

Google Score: 5/5

Dreton is an extension company who has a high rating on Google and many positive customer testimonials on their website, with a lot of satisfied customers and case studies.

Their bespoke extensions can be used as lounge spaces or kitchens, even as extra bedrooms for your family members or friends.

Each one of their extensions comes with a 10-year guarantee, they are constructed by experienced and accredited professionals, and they come designed to match your needs.

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6. Moduroom

Moduroom

Type: Extension company

Offers: Extensions

Google Score: 3.4/5

Moduroom has over 20 years of experience in the extension industry, providing their services to those in the UK mainland, the channel islands, the isle of man and Northern Ireland as well.

Their extensions feature slimline designs and range from converted family spaces, ground floor extensions to second storey extensions and garden rooms too.

They claim to be able to provide you with fast construction times, a fully managed design service and excellent quality materials.

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7. Jeffery and Wilkes

Jeffery and Wilkes

Type: Extension company

Offers: Extensions, conversions, refurbishments

Google Score: 4.9/5

Jeffery and Wilkes is a popular extension company who not only provides extensions to their customers but also transformations of lofts and renovations too.

Their home extensions feature a light, open and airy space which could potentially increase your property’s value by 20%, and will be built by accredited professionals.

They will manage your project right from when you start designing your extension, help you to define your needs and then construct your project.

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8. More Space

More Space

Type: Extension company

Offers: Extensions, conversions

Google Score: 4.6/5

More Space is a highly rated extension company who has many positive reviews on trusted review sites such as Google, with many customers stating that construction was quick and the team are friendly and helpful.

They claim that most of their home extensions will take between 7 and ten weeks to build, while they work closely with suppliers and interior designers to craft the right fit for you and your home.

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9. City Building Group

CBG

Type: Extension company

Offers: Extensions

Google Score: 5/5

City Building Group is an extension company which is primarily based in London, who specialises in building projects for house extensions, loft conversions as well as basement conversions as well.

Their house extensions can help you to increase the monetary value of your property, it comes with a firm 12-month guarantee, and they claim to offer value for money as well.

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10. Modplan

Modplan

Type: Home improvements company

Offers: Extensions, conversions, refurbishments, project management

Google Score: 4/5

Modplan offers a range of home improvement services such as extensions, loft conversions, renovations and project management for your construction needs.

They have already managed over £4,000,000 in house extensions alone, which are made from high-quality materials, have a five-star rated service and fixed prices, so you know what you need to budget.

Their customers state that the Modplan team are professional, they are pleasant to deal with, and they have had a positive experience with this company.

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Conclusion

Have you learnt everything you need to know about extensions?

Did you know that you can compare all of your options right now?

Check out the comparison tool at the top of the page, or you could take a look at the ExpertSure guides to find out more.

Address:

ecopreneurist.com
Capital house
61 Amhurst Road
London
E8 1LL

0800 234 3036