So you’ve decided that you want an extension for your property, that’s fantastic. But what kind of extension do you want? Unlike conservatories, which come in a set series of styles with a little bit of customisation, house extensions can be designed from the ground up to be unique to your property.

Single storey extensions are a great way of expanding your floor space, often out of the back and into your garden, allowing for ease of access and an amazing view for whatever it is that you want to use your added space for.

Be it a modern home in need of an extra living space, or a traditional or period property that you want to extend whilst keeping the aesthetic of the original property, your extension is sure to be distinct and particular to your home.

Extension

Single storey extension design ideas

Your extension’s design is entirely down to your own personal taste and design decisions, not just including its size but also the roof, windows, doors, floors, materials and interior design choices.

Whilst house extensions are brick-based structures, they can be fitted with timber cladding over the outside to bring a rustic look to the property, or have large areas of wall replaced by floor length windows and doors, allowing for unimpeded views and ease of access out into the garden.

Our bi-folding doors can stretch the length of an entire wall, bringing in massive amounts of light into your property, and able to be folded back in a concertina space for easy ventilation and allowing for the outside to be brought in.

Small house extension ideas

Often an extension is considered when there is limited space to a property, so you may think some of the grander designs seen in brochures are not achievable for a smaller property without acres of land.

But in fact, a bigger extension isn’t always a sign of quality, as even a small extension can make a big difference in terms of space. Large windows that bring in a lot of light can create the illusion of a much larger extension, especially if there are bi-folding door sections that can be folded back to open up your property to the outside.

Smaller house extensions may even be within building regulations to count as a ‘permitted development’, meaning that it does not require planning permission to be built. Even if it is the same size as a conservatory, an extension is much longer lasting and adds a lot more value to a property, as well as providing superior insulation and security against weather and potential intruders.

Extension Width (mm) Extension Projection (mm) Guide Price
4000 3000 £23940 – £26460
4100 3000 £24538 – £27121
4200 3000 £25137 – £27783
4300 3000 £25735 – £28444
4400 3000 £26334 – £29106
4500 3000 £26932 – £29767
4600 3000 £27531 – £30429
4700 3000 £28129 – £31090
4800 3000 £28728 – £31752
4900 3000 £29326 – £32413
5000 3000 £29326 – £32413
5100 3000 £30523 – £33736
5200 3000 £31122 – £34398
5300 3000 £31720 – £35059
5400 3000 £32319 – £35721
5500 3000 £32917 – £36382
5600 3000 £33516 – £37044
5700 3000 £34114 – £37705
5800 3000 £34713 – £38367
5900 3000 £35311 – £39028
6000 3000 £35910 – £39690

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Home extension ideas examples

The design of your extension depends on whether or not you want an extension that compliments or blends in with your pre-existing property, or if you want something that offsets its look with either a highly modern or a traditionally ornate design.

Modern, contemporary extensions often have a very minimalistic exterior design; typically rectangular, box like structures, they usually have flat roofs and larger windows often taking up entire walls to create a bright and airy living space. On the outside, the brick structure can then be clad with either timber or a more modern aesthetic cladding to offset the masonry of the pre-existing property. These sleek, simplistic designs maximise the available space, creating large living areas that can be used as anything from a kitchen diner extension, a study, a sun-room, a play room or even a sitting room.

However, if you are looking for a more ornate, traditional-looking extension that blends in with your properties original style, then there are a number of ways that that could be achieved. This often incorporates original masonry or tiling into the design of the extension, with the walls able to be clad in the same or similar brick that the original property was made out of.

Single storey extension roof options

The roof of an extension can make or break it in terms of design and is often a major difference between whether it is seen as a modern extension or a traditional replication of a properties original style.

Flat roofs are a very popular choice for modern extensions, able to be fitted with windows that can take up large areas of the ceiling and allowing for more light. If it is a single storey extension, this can also prevent windows on the upper level from having their view obscured by a raised roof.

Sometimes though, a more traditional roof can be incorporated unobtrusively into a design, with a sloping roof fitted against an exterior wall that makes it appear as though a part of the original properties design. If you want an extension to look as authentic to your original property as possible, although easier said than done, getting the same or similar tiles to your pre-existing roof can go a long way to matching the roof of your original property and making it appear as a natural continuation of the house.

Can you build on a single storey extension?

It could be the case that your property already has an extension, be it one that you had installed previously or one that was already on the property when you bought it; but if that is not giving you the amount of space that you need, then you might be able to have a second storey installed onto it. This doesn’t just create additional space, but also increases the value of your property.

Planning permission would be required in order to get it built, but there is more risk to having it rejected, especially if your proposed extension would obstruct the view or cast shadows on your neighbours houses or gardens. However, if you keep your extension realistic and unobtrusive, then there shouldn’t be much issue.

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How long does a single storey extension take to build?

This entirely depends on factors decided during your design phase, with factors including the size of the structure, the materials its being built from, additional features such as windows and doors, and the kind of roof that you want. All of this could make the difference of months in terms of installation length.

However, the typical estimated length of building work when it comes to basic extensions comes out at around 3-4 months, although this itself can be easily raised to 6 if you are getting a larger structure built.

What size extension can you build without planning permission?

Planning regulations have been made more flexible in recent years, allowing for larger single-storey extensions to be built without any planning permission. However, it is highly recommended that you familiarise yourself with the planning regulations through the government’s Planning Portal to make sure whether or not your extension qualifies; as failure to obtain planning permission when it is required can result in issues further down the line.

To be exempt from planning permission, an extension cannot cover more than half of the area of land surrounding the original house, cannot be higher than the roof of the original property, and cannot extend past the rear wall more than eight meters (for a detached house) or six meters (for undetached). There are more regulations listed, some of which are dependent on when your property was built and what kind of area you live in, so please click the link above to read them all.

Frequently Asked Double Glazing Questions

Frequently Asked Double Glazing Questions

Can Double Glazed Doors be Fitted with a Pet Flap?

Depending on the style of door, a pet flap can be fitted as an extra service. The only exception is when glass panels feature on the lower half of the door.

How Much Do Doors Cost?

Your double glazed door cost will depend on specifications such as style, size, locks, glazing and door furniture. Double Glazing on The Web gives you the opportunity to create your very own unique door quote online. Start your free door quote today.

What Does UPVC Stand For?

UPVC is an abbreviation for unplasticised polyvinyl chloride which is used in window frames.

Do UPVC Windows Need Trickle Vents?

Trickle vents are not a requirement, however they do offer additional ventilation without the need for opening your windows so can be a valued add on.

How Much Does A Conservatory Cost?

Your conservatory cost will depend on its specification. Your conservatory size, style, finishes, glazing and build are all factors which will determine the overall price. The good news is, you can now calculate the cost of your conservatory online using our handy online quote builder.

Do I Need Conservatory Planning Permission?

Conservatories are seen as a permitted development, however you may require conservatory planning permission if you have a listed property or if you are living within a conservation area.

Should I Buy A DIY Conservatory?

A DIY conservatory can be a great option if you have the required knowledge and building skills. It can be an expensive choice however, if anything should go wrong. The best thing about a supply and fit conservatory is that your installer takes care of all of the work for you, this includes any building requirements or planning permission.

Why Should I Buy A Conservatory?

A conservatory is an affordable way to extend living space and will prove to be a worthy investment over time. Not only does it help improve the value of your property but it provides you with a multi-functional space to use all year round.

What is The Best Type of Conservatory?

When choosing the best type of conservatory for your home, your property and garden size as well as style have to be considered. For example if you lack garden space, you don't want a conservatory build that is going to be too overpowering. There are conservatory designs for all types of home and specification so any property, traditional or new can benefit from this airy extension.

How Long Will It Take To Install My Casement Window?

Because every job is different, it is best your talk to your double glazing installer who will be able to give you an exact timescale.

Which Bi-folding Door Configuration is Best?

When choosing the arrangement of your bi-folding doors you need to consider the size and layout of your room. Outfolding bi-fold doors will take up less internal space when completely folded back and a left of right folding will be dependent on space available in your room.

How Long Does It Take To Install Bi-Fold Doors?

If a survey is scheduled within 48hrs then your bi-fold doors can be supplied and installed within just 6 – 8 weeks.

How Secure Are Bi-Folding Doors?

Bi-folding doors are extremely secure and are built with a high security locks as standard. Each of our double glazing installers will offer their own range of locking systems with additional upgrade options for all security conscious homeowners.

Are There Other UPVC Casement Window Styles?

Other UPVC casement window styles include the French casement window which is a more traditional take on the standard casement style.

Will I Have A Choice of Casement Window Locks?

A high security lock will be fitted as standard with your new casement window but your double glazing installer will also offer a choice of security upgrades.

What Are Flush Casement Windows?

Flush casement windows are where the unit sits flush to the frame, creating a super sleek look.

Are There Different UPVC Casement Window Sizes?

UPVC casement windows come in a wide range of sizes to suit your property. You can specify your casement window size in our window cost calculator to get a unique window price!

Can I Choose My Casement Window Handles?

Your double glazing installer will offer you a choice casement window handles and casement window hardware options so you can achieve the perfect look.

What is a Casement Window?

A casement window is attached to its frame by one or more hinges. A casement window is hinged at the side allowing them to open extremely wide. These windows can double up as emergency exits and are perfect for hard to reach places within the home, with many home owners installing these windows behind their kitchen sinks.

Where Can I Get A Tilt and Turn Windows Price?

You can get a tilt and turn windows price using our window cost calculator which will give you a free and unique quote within a matter of minutes.

How Does The Tilt and Turn Window Mechanism Work?

The tilt and turn window can be ‘tilted’ inwards due to its unique turning action which allows the window to be easily accessed from both inside and out. All it takes is a swift turn of the handle.

How Much Do French casement windows cost?

The cost of French casement windows will vary depending on installer but you can get an average casement windows cost using our free online quoting engine

How do UPVC Sash Windows Work?

UPVC vertical sliding sash windows are built to either slide vertically downwards or upwards. This opening function makes the UPVC sash window much easier to use compared to traditional wooden windows where the only choice is double hung and single hand.

Are UPVC Sash Windows Easy To Use?

UPVC sash windows are very easy to use. Their spiral balance mechanism allows for smooth operation so you can open and close your windows with ease. UPVC sash windows are also incredibly low maintenance and require very little cleaning.

Why Should I Choose a UPVC Sash Window?

UPVC sash windows are incredibly attractive and make a stunning addition to any property and are relatively low maintenance thank to their UPVC design. You can enjoy a traditional aesthetic for many years to come thanks to their long standing properties.

Replacement Sash Windows In A Conservation Area

If your home is a listed property or within a conservation area then you will need to seek planning permission.

Are UPVC Doors Easy To Maintain?

UPVC doors are extremely easy to maintain and will never require re-painting or varnishing. Neither will a UPVC door rot or warp!

What Are Composite Doors Made Of?

Composite doors are made of a combination of high performing materials which is why they are so strong and incredibly long lasting. The composite door is made from: reinforced UPVC, fibreglass skin, high density foam and a water resistant composite materials.

Do Composite Doors Fade?

Composite doors feature a tough and durable skin where colour runs throughout rather than a simple surface coating. This means a composite door is not likely to wear or fade like the majority of painted doors. A composite door is very long lasting which also reduces the amount of maintenance required to keep it looking in top condition.

Do Composite Doors Need Painting?

Composite doors do not require re-painting. These low maintenance doors feature a water resistant GRP, coloured skin which keeps a pristine appearance year after year.

Do Composite Doors Warp?

A composite door will not warp like wood and won't require regular painting.

Can I Get Composite Side Panels?

Composite doors are available with matching composite side panels, your installer will offer you a choice of colours and glazing.

Is Every Composite Door Different?

There are different qualities to every composite door and they will vary between manufacturers depending on materials used. At Double Glazing on The Web we only put you in touch with the highest quality suppliers and installers.

What Do Stable Doors Look Like?

These country style doors offer charming aesthetics and are a stylish alternative to standard back doors, stable doors a great choice for any kind of property. This door is split in two halves which open independently from one another as well as function as a whole. Whether you are after a traditional stable door or more contemporary design with modern glazing, your double glazing installer will be able to offer you a wide range of options for your property.

Are UPVC Stable Doors Made To Measure?

Your UPVC stable door will be made to measure and tailored to your specifications given to your double glazing installer.

How Much Do UPVC French Doors Cost?

UPVC French door prices will depend on your personal requirements and specifications such as size, style and glazing. To get an average French doors cost use our door cost calculator for a free online quote.

Are UPVC Patio Doors Secure?

UPVC patio doors can be fitted with a choice of high security locks to make them extra secure. You can also choose from a range of glazing styles to further enhance the strength of your patio doors.

Do I Need Planning Permission For Patio Doors?

You may require planning permission for double glazed patio doors if you have a listed building or happen to live within a conservation area. Visit the V for more information.

How Do Sliding Patio Doors Work?

UPVC sliding doors operate on a smooth, easy glide system which allows for effortless transition. They are attached to metal or vinyl tracks which are fitted to the top and bottom frames and plastic rollers are added to ease the movement.

How Do Slide and Swing Doors Operate?

A multi-pane door with individual panes slides on a single track with no loss of space. Panes are able to operate individually with no visible hinges or hardware. The slide and swing door can open up spaces between rooms or between home and garden or even conservatory.

Bay or Bow Window?

Simply put, it really depends! Bay windows offer often much welcome and useful extra storage space to the frontage of homes. On the other hand, bow windows provide a curved shape alternative in terms of look compared to bay windows. They are both beautiful options and can add much character and charm to the right property.

Can Bay Windows Look Modern?

Bay windows can easily be either modern or traditional depending on the combination of glass and / or coloured uPVC profiles now available. Subsequently, its easy for these windows to seamlessly blend in with contemporary or old properties.

What Makes Flush Sash Windows Different?

Flush sash casement windows are specifically designed to imitate the appearance of traditional wooden timber windows by appearing to have the same sashes that finish 'flush' with the outside face of the window.

How Much Is A Conservatory?

A Conservatory is cost-effective way of expanding your home without needing planning permission in most cases. Conservatory prices start around £6000. Please refer to our pricing guides below to see how much a conservatory may cost you, or start a quote today.

Can Conservatories Only Be Made Out Of uPVC?

Conservatories can be made out of uPVC, timber and aluminium – it really depends on the style you want for your home. However, uPVC is the cheapest material to make a conservatory out of; timber and aluminium are significantly more expensive. Please check our pricing tables below to get more of an idea on costs or start a quote with us today.

Do I Need Planning Permission To Build My Conservatory?

In most cases, you do not need planning permission for a conservatory, however, it must reach certain guidelines. For example, it cannot exceed the height of the original structure of the home. Please check your local council site for more details (links are found in the 'Gateshead Information' section).

How Long Will My Conservatory Last?

Depending on the materials used to build it, the installation and the general maintenance for a conservatory, they usually have a life span of anywhere between 10-30 years. UPVC conservatories, on average last about 20 years.

How Much Does a Conservatory Cost?

Prices on conservatories begin around £6000, however, this will be dependent on the shape, size and style of your conservatory. Please refer to our pricing table below to get a better idea on how much a conservatory will cost or start a quote with us today.

What Materials Can You Build A Conservatory With?

Conservatories can be constructed with either timber, aluminium or uPVC, the latter being the cheaper material out of the three. Please consult our pricing guide below to get a better understanding of what a new conservatory may cost you.

Should I replace my old sash windows?

Sash windows are a key feature for many traditional period buildings. Sash windows were traditionally built using timber, which is fairly high maintenance and has a tendency toward rotting and warping. Over time, these windows can become draughty and insecure. uPVC sash windows are a great way to experience the benefits of modern double glazing, without sacrificing the aesthetic of your home. uPVC sash windows will not rot or warp and require little maintenance. They are also thermally efficient, which means that your home will not require as much heating.

How much does sash window restoration cost?

The cost of sash window restoration will depend on the survey result. Standard draught proofed sash windows (without sill replacement) usually starts at about £500 per window. The time taken will also depend on the survey result.

Can I install double glazing into my original sash windows?

This will depend upon what type of window you have. Replacing existing moving sashes with new, double glazed replicas might to be possible.

How much does it cost to replace a sash window?

The cost of replacing a sash window will depend on many factors including: style, size, material and glazing. A wooden sash window will cost significantly more than a uPVC sash window. A wooden sash window can cost up to £1000. Wooden windows are more expensive to manufacture so expect to pay that bit more. uPVC sash windows can be designed to mimic wood and are much cheaper in price. The starting price for a standard uPVC sash window is on average £525.