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Welcome to Haas Extension Group, where we take pride in being the premier suppliers, installers, and design consultants of...
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James building & roofing Cambs Offer the complete professional construction services . We specialise in extensions, loft...
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Jassi Builders

2 review(s)
Offers services in OLNEY
Hi Jassi Builders LTD here, I am a specialist in planning, designing and building control services. I make sure that I hav...
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L&w plastering services Fully qualified, cis registered we off free quotation and carry out all our tasks to the highest...
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We add real practical value to your project. With over 14 years’ experience in delivering high quality construction servic...

Recent Builder Enquiries

27 Sep

Conversion | Loft

Olney - MK46

Enquiry from: Eleanor P

Start Date: Immediate

i would like to have a loft conversion but i don't know whether there is enough room in my loft are you the property owner: owner of the property property type: detached what are you looking to conve...

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16 Aug

Insulation | Cavity Wall

Olney - MK46

Enquiry from: Neil S

Start Date: Immediate

customer in olney areas is looking to do a couple of projects at the moment, and would like quotes for cavity wall insulation.confirmed interest via sms and email at 16/08/2022 11:35.please call to ar...

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15 Oct

Building work | Sound Proofing

Olney - MK46

Enquiry from: Kim H

Start Date: Immediate

a plaque in local weston underwood stone, carved with initials or similar - need help with design thanks

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04 Nov

Insulation | Loft / Roof

Olney - MK46

Enquiry from: Bob B

Start Date: Immediate

full loft insulation by government approved installer are you the property owner: tenant (with permission) property type: terrace how many bedrooms do you have: 3-4 do you currently have loft insulat...

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14 Jul

New Build | Residential

Olney - MK46

Enquiry from: Hannah D

Start Date: Immediate

4 bed house with two on suites, living room, playroom, kitchen/dinning room, utility room. double garage

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27 Mar

House Extensions

Olney - MK46

Enquiry from: Daniel B

Start Date: Immediate

Extension above a garage

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29 Jan

Insulation | Loft / Roof

Olney - MK46

Enquiry from: IB C

Start Date: Immediate

We are due to complete at the above project shortly and need the loft over the second floor bedrooms insulating. There is approximately 100m2 to be carried out.

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20 Apr

Conversion | Garage

Olney - MK46

Enquiry from: Deb G

Start Date: 1 to 3 months

Half single garage converted into bathroom and laundry. Lots of pipe work needs rerouting. Look forward to hearing from you. Are you the property owner: Owner of the property Do you have a: Singl...

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24 Mar

House Extensions

Olney - MK46

Enquiry from: Mike P

Start Date: Less than one month

2 story extension on back of kitchen to create new dining area and bedroom. Customer is currently in the process of looking for quotes to add a Double storey extension to their property. Are you the ...

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24 Jul

New Build | Residential

Olney - MK46

Enquiry from: Tony B

Start Date: Immediate

a new build property on our farm /stables

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25 Mar

House Extensions

Olney - MK46

Enquiry from: Jonathan N

Start Date: Immediate

Graphic Designer

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28 Dec

Conversion | Loft

Olney - MK46

Enquiry from: Jenny C

Start Date: Immediate

Conversion of loft into a bedroom with toilet Are you the property owner: Owner of the property Property Type: Terrace What are you looking to convert the space into: Bedroom/s Are you looking to hav...

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22 Nov

House Extensions

Olney - MK46

Enquiry from: Tom B

Start Date: Immediate

Home Owner Ground floor bathroom at rear of house Supplied and Fitted Please Call to Appoint

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03 Nov

House Extensions

Olney - MK46

Enquiry from: Allistair B

Start Date: Immediate

2 storey side extension to 2 bedroom semi detached bungalow, creating an additional, higher gable. The ground floor extension will house a lounge and open plan hallway leading to a living kitchen/dini...

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25 May

Building work | Wall Rendering

Olney - MK46

Enquiry from: Peter K

Start Date: Immediate

Customers own description of works We have an existing 70s grey brick house that has had a block extension built on the side. - Service Date: 22/06/2015 Property Type: House Job Type: Extension pl...

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11 Feb

Conversion | Garage

Olney - MK46

Enquiry from: Lindsay P

Start Date: 1 to 3 months

To convert the garage into a work space. It would need heat electrical sockets (it has power and light currently). I would like to block up the current personal door, replace the up and over door to b...

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How much do Builder services cost?

How much do Builders cost? Prices for Builders in 2025 can fluctuate relying on the sort of work that you need to have carried out in your residence.

Are you planning to erect a new house or structure? If yes, then you’d probably want to know just how much it’ll take to get the project over the line to help you set a budget and start to plan. Building a new house is requires huge financial investment and as a result, there’s the need to carry out your due diligence before you proceed. In this post, we’re going to give you an insight into the prices charged by builders to erect a new home or structure.

First and foremost, like every other home project, the price charged by builders to construct a new house or structure depends on a wide range of factors. These factors include the size, location, accessibility as well as qualifications of the builders you wish to employ just to mention a few. For instance, you’d expect the cost of building two-storey in London to be a lot more expensive than the price of a one-story building in Scotland. However, we’ll try our best to give you an idea of the price range you can expect to incur to complete your project.
In general, a builder will charge within the range of £10 to about £15 per hour on the average. For small building projects which includes wall and foundations repairs, a builder will typically charge about £11 per hour. However, the price charge will depend on the extent of the job due to the fact that simple tasks such as repointing only costs about £10 per hour, while laying new foundations can cost up to £15 per hour.

The table shows the types of work that Builders typically do and the average cost range of these tasks. Some tasks take longer to finish than others so prices do fluctuate by job.

View our Builder cost guide View our Builder advice

The average price
of a Builder in Olney is:

£24,781

Builder job Builder cost in 2025
Garage conversion in Olney £9,750-£18,450
Loft conversion in Olney £18,750-£28,750
House extensions in Olney £29,000-£62,667
Loft insulation in Olney £450-£690
Upvc or wood porch in Olney £3,313-£6,013
Barn conversions in Olney £112,500-£172,500
Basement renovation in Olney £30,000-£46,000
Bedroom fitting in Olney £1,500-£2,300
Bricklayers in Olney £300-£460
Cavity wall insulation in Olney £400-£820
Commercial new builds in Olney £105,000-£161,000
Conservatory base in Olney £675-£1,035
Building maintenance in Olney £2,250-£3,450
Building insurance works in Olney £2,250-£3,450
Pebble dashed walls in Olney £2,000-£9,200
Plasterboard dry lining in Olney £638-£978
Residential new builds in Olney £105,000-£161,000
Restoration and refurbishment in Olney £37,500-£57,500
Roof insulation in Olney £7,500-£11,500
Underpinning in Olney £2,250-£3,450
Wall cladding in Olney £1,125-£1,725
Wall rendering in Olney £3,750-£5,750
Demolition in Olney £2,440-£3,660
Roof room in Olney £15,000-£23,000
Shop refurbishment in Olney £3,750-£5,750
Single storey house extension in Olney £21,600-£37,400
Soundproofing in Olney £900-£1,380
Driveway repair in Olney £607-£51,140
Garden room in Olney £6,400-£9,600
External wall insulation in Olney £6,000-£15,000

Related Builder searches in Olney

Builder FAQs

Do I need planning permission for external wall insulation?

If you want to install an external wall, it is only wise to consider whether or not a planning permission is required in order to avoid a hefty fine. In a great kudos to the government and a welcome relief to home and property owners, the installation of external wall insulation is seen as an “improvement to the house and not an “extension or an “enlargement. Ultimately, this implies that external wall insulation fitting is to be done under permitted development and a planning application may not be required. However, like many other regulations, there are also exceptions to this rule and the main one is if the activity changes the appearance of your property. Properties such as a listed building having tighter regulations may pose some issues. As a result, we’d advise you to consult your local authority to ensure that there’s no fast rule to this topic before commencement of the external wall insulation project.

At the moment, according to the Government Building Regulations, the surface of the entire wall is to be improved to existing standards if the area to be insulated exceeds 25 percent of the wall. In normal situations this is usually the typical case, however to prevent avoidable fines and other possible punishments, it is always best to reach to your local authority and check out the rules guiding external wall insulation in your constituency. Furthermore, since external wall insulation is not a task that’s recommended to be done by yourself, you can also ask the professional external wall insulation fitting company for the applying rules before proceeding. As a good professional, the company should have a better knowledge of the rules and regulation guiding its activities.

how much to render a house?

Rendering a house’s external walls is one of the cheapest and most effective ways by which a building can be made waterproof and also good looking. If you’re thinking about rendering your house, figuring out the cost of completion is usually one of the most important things you’ll have to consider before you proceed and if you don’t know where to start, finding an experienced tradesperson who possesses several years of experience as well as the ability to overcome the different issues that he may be faced with while on the project is paramount. If you’re able to get one, however, you should know that they rarely come cheap.

When trying to determine the accurate house rendering cost estimate , a tradesperson will put into consideration a great number of factors. Even at that, a rough estimate still requires both skills and expertise to be able to take into account all the necessary factors. In general, a typical 3 bedroom home in the UK will cost within the range of £4000 to about £5500 for a complete render job on the outside and covering from top to bottom.

Usually, the most important factor which play the biggest role when determining rendering costs is the area that’s going to be covered by the render mix. Professional contractors will provide a quote based on the rendering costs per square metre. Below are some rough estimates of rendering costs of properties depending on their size (without VAT).

✓ For a small mid terrace house of about 40 to 50 square metre, the total rendering cost estimate is £3000 to £4000.

✓ For a large mid terrace house of about 70 to 180 square metre, the total rendering cost estimate is £3000 to £5000.

✓ For a three bedroom detached house of about 100 to 160 square metre, the total rendering cost estimate is £4000 to £5500.

How much plasterboard do I need?

How Much Plasterboard Do I Need?

Although many people especially contractors have a tough time estimating the number of drywall or plasterboard needed to complete a project, it’s a rather simple task if all factors are taken into consideration. If you’re able to follow the same procedures taken by professionals to count dry wall sheets, you’ll be in the right direction. Let’s have a look at the procedures to follow!

lTake Square Footage Measurement

• Measure the square footage of the area where the plasterboard will be fitted.

• Multiply the height by the width of each wall or ceiling area.

• Add all quantities to obtain a total square-foot amount.

lCalculate Drywall Sheets

• To calculate the number of drywall or plasterboard sheet is very simple once you’ve gotten the total square footage.

• To get started, simply divide the total square footage of area by 32 (that’s if you are using a 4 by 8 sheets) or you can also make use of 48 to make the division (only if you’re making use of the 4 by 12 sheets).

• The answer you get after the division will give you the full number of plasterboard sheets that’s required to complete the project.

We’d recommend you include an extra 10 to 15 percent of whatever you calculate to take care of the possible odd cuts and wastages. This implies that if your total area is 1600 square feet while incorporating 4 by 8 sheets, simply divide 1600 by 32 which equals 50 sheets, now take 10% of 50 which equals 5, then add back the 5 extra to the 50 sheets earlier calculated to get 55 sheets. If you wish to estimate the cost, simply multiply the number of sheets gotten by the price per sheet. Do not forget to include delivery charges and local taxes.

How much does external solid wall insulation cost?

Before the commencement of any project, it’s always best to get an estimation of the cost. However, determining the cost of an external solid wall insulation is not the easiest of tasks as it relies on varying components such as the insulation materials to be used, labour cost and installation as well as the type of decorative finish to be incorporated. And depending on your choice of insulation material, some may need some adhesives while others may require some fixings which also contributes to the differences in price. As a result, the determination of the material cost alone can be tricky and even more so when various materials cover varying areas.

With that in mind, the cost of external solid wall insulation generally ranges between £80 to £100 per square metre2. As a result, a small flat can cost from £6000 to £9000 whereas a large detached house can have a price ranging between £21000 to £23000. To earn back your investment in terms of energy bill savings can take a couple of years, but it’s surely worth the try as there are several other benefits associated with installing an external solid wall insulation system. What’s more? Another huge factor that can influence the cost of your system is also the amount of work that’s required, how easy it is to be accessed by the installers and lots more

If you’re looking to cut down on the cost of your external solid wall insulation, then the best time for an installation might just be when you’re having another decorating or building project done such as fitting a new roof, window painting, installation of solar PV panels and more. This way, you’ll be able to spread the cost and have a greater value for each penny expended.

How much does a builder cost?

With the prices of buying a house skyrocketing, many of us are tempted to building our own house. This is sometimes an excellent choice, but you will first need to understand the costs of building a house from scratch. As per a general estimate, the cost of self-build ranges between £300 per m2 to £3,000 per m2.

As you can see, this is quite a variation in price from lowest to highest. Location is a prime factor in determining the costs. Building a house in London and the South is more expensive compared to other regions. Aside from location, several other factors make up the price.

Self-manage with subcontractors

You hire professionals directly like builders and carpenters. You also buy all the materials yourself allowing you to get the best prices.

Hiring a main contractor with other subcontractors

You will first need a main contractor who will help to create the watertight structure for your house. For the rest of the work, try hiring out subcontractors. Make sure that you buy all the materials yourself to get the best price.

External cladding materials

If you are looking to install other external material other than brick, you will also need to factor in the cost for the same.

Here are some example prices:

• Render on blockwork costs around £25 per m²

• Timber cladding is around £25 per m²

• Hand¬made all-weather tiling costs around £54 per m²

• Rubble walling or flint is around £90 per m²

• Reconstituted stone costs about £48 per m²

• Natural stone is about £75 per m²

Make sure to include these costs when coming up with the estimate.

Roofing materials

Non-standard roofing materials tend to add more to the cost and therefore you will also need to account in for this factor.

Here are some examples:

Welsh slate – £60 per m²

Second-hand slates – £35 per m²

Handmade clay tiles – £65 per m²

Reed thatch – £80/m²

If you choose to add any unique material to your roofing, be sure that you remember to factor in its cost.

How to renovate a house?

As with every home development project, a home makeover comes with heaps of preparation and, hard work, but it is a remarkable way to breathe new life into an old home.

RESEARCH PERIOD FEATURES AND SAFEGUARD THEM

Get to know your household better, the time it was constructed in, and the kind of individuals who would have lived there. The greatest tactic is to repair current structures, make the house dry and safe.

CHECK FOR RENOVATION RESTRICTIONS BEFORE YOU START

There are certain restrictions that don’t allow you to remodel your house after a certain extent, it should be made clear to you when you purchase the property but if you are unsure about the regulations you should check them up, as it is a criminal offence to carry out unauthorised work to a listed home. Restrictions in Conservation Areas generally affect only the exterior of the property as the intention is to ‘preserve or enhance the character or appearance’ of an area, but the right to develop your house will be affected. This means the kind of work that you could have easily completed in a different location may need certain planning and even permissions to complete in your area.

CREATE A DESIGN FOR YOUR HOUSE RENOVATION

It is very important that you take your time to perfect the design. This will help to ensure that the finished work is in tune with your needs. You will also need to figure it out how the changes might play with the original building.

FIND THE BEST CONTRACTORS FOR YOUR RENOVATION

If you are planning on managing the renovation project yourself, it is advisable to ask from friends or family who have renovated their house before and have undergone a similar experience. They can help you find the right architect and builder. Or else, you can always opt for a project manager.

how much does a single storey house extension cost?

If you’re planning to build a single story house extension, this is one of the first questions that usually comes to mind to help you set a budget and start to make plans. But as simple as it seems, a single accurate answer can not be provided due to the fact that there are several variables that can play a key role in influencing the price of a single story house extension. These variables includes the size, location, design or specification as well as the build route. In this guide, we’ll provide you with a rough estimate that you can work with to put you on the right path.

The main determinant of the cost of a single storey extension is the size of the build, while the next most relevant factor is the quality of the finish you opt for. For a small extension, you can expect to spend a sum within the range of £14,000 to £17,000. Meanwhile for a larger single storey extension, if you opt for a large wrap around the extension with a great amount of glass to be incorporated in both the walls and roof, you can expect to pay a sum within the range of £80,000 to £120,000.

Overall, the average cost of a single story house extension is usually within the range of £34,000 to £37,000. For this price, you should get a standard sized rear or side extension which also includes the cost of a kitchen - it’s the most commonly use for a single story extension especially in the UK.

There are some additional costs you may also need to factor in to your extension budget. These includes surveys, architect fees, planning application fee (if needed), insurance and Party Wall Agreement (if needed).

do i need planning permission for a kitchen extension?

If you’re planning to construct a kitchen extension on your property, one of the first things that comes to mind is whether or not you’ll require a planning permission before you proceed. Generally, kitchen extensions are normally classified as permitted development which allows you to carry out your project without any interruptions from the law or your local authority. In other words, if your extension is meets up with the guidelines of the permitted development rights, you won’t have to apply for a planning permission. However if otherwise, you’ll have to apply for a planning permission to your local council and may require additional reports. And regardless of your position, you’ll always need building regulations approval before you can carry out any kitchen extension project. It may also be required that you’ll have to issue a part wall notice if you’re to build on or close to the boundary with a neighbour.

If you don’t want to go through the hassle and stress involved in applying for a planning permission with your local council, then you must ensure the following:

✓ Your kitchen extension must not be over half of the area of land around your main house.

✓ The kitchen extension must not be side elevation onto a highway or forward of the principal elevation.

✓ The extension must not be taller than the highest part of the roof.

✓ The height of your kitchen extension must not go beyond four metres.

✓ Kitchen extension that’s more than one storey must not go exceed the rear wall of the main house by more than three metres.

✓ Two storey kitchen extensions must not be closer to rear boundary by anything less than seven metres.

✓ The kitchen extension must not include balconies, verandas or any raised platforms.

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