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Verified Pro
Welcome to Haas Extension Group, where we take pride in being the premier suppliers, installers, and design consultants of...
Verified ProOver 20 Reviews

Thomas Roof Restoration

25 review(s)
Offers services in LEWISHAM
Thomas Roof Restoration are proud to work on your property as if it were their own. Based in Canterbury, covering Kent, So...
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Bentham Builders

0 review(s)
Offers services in LEWISHAM
At Bentham Builders, we specialize in high-quality roofing services as well as general building work across North and West...
Verified ProOver 10 Reviews
Welcome to Home Counties, our team handle projects large and small from residential to commercial. Our Driveway service...
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Loft & Build

0 review(s)
Offers services in LEWISHAM
We can cover all aspects of a loft conversion and extensions. If you require, we can also design the project including dr...

Recent Builder Enquiries

25 Jun

Conversion | Loft

London - SE16

Enquiry from: Marry A

Start Date: Immediate

Hi, Do you have any tender for estimation/take-offs? We will provide you on-time delivery, affordable rates, and quality is the prime attribute of our services. We do estimation for both commercial...

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13 Mar

Conversion | Loft

London - SE12

Enquiry from: Jessica K

Start Date: Immediate

What type of loft conversion do you need? Dormer style loft conversion When was the property built? 1921 to 1979 How many stories is the current building? 3 Storeys Do you have plans drawn up? No -...

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06 Mar

Driveway Repair

Bromley - BR1

Enquiry from: Rickie S

Start Date: Immediate

Pathway repair to be done at entrance to house

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02 Mar

House Extensions

London - SE9

Enquiry from: Amir A

Start Date: Immediate

Customer made enquiry for House Extension quotes online. Homeowner lives in London area. Please call to arrange appointment

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26 Feb

Building work | Wall Rendering

London - SE12

Enquiry from: David L

Start Date: Immediate

Costs of removing cement render on property and restoring brickwork underneath. two-bed Victorian mid-terrace house.

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04 Nov

Conversion | Loft

London - SE9

Enquiry from: William D

Start Date: Immediate

Customer made enquiry for Loft Conversion quotes online. Confirmed interest via phone at 17:44 Homeowner lives in London area. Please call to arrange appointment

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21 Oct

House Extensions

London - SE26

Enquiry from: Ga R

Start Date: Immediate

Customer made an online enquiry for House Extension via one of our websites. Confirmed via . Please call to arrange an appointment to quote.

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08 Sep

Conversion | Loft

London - SE9

Enquiry from: Rob B

Start Date: Immediate

we have an existing simple velux conversion and are looking to add a dormer and bathroom. are you the property owner: owner of the property property type: terrace what are you looking to convert the s...

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25 Aug

House Extensions

London - SE4

Enquiry from: Jayne E

Start Date: Immediate

kitchen extension expanding existing one

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17 Aug

Insulation | Cavity Wall

London - SE15

Enquiry from: Mo A

Start Date: Immediate

customer in the london area made an enquiry a couple of projects including cavity wall insulation.call anytime and arrange an appointment to discuss. below is some details about this project: are you ...

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10 Aug

Insulation | Loft / Roof

London - SE15

Enquiry from: Mo A

Start Date: Immediate

roof and cavity wall insulation to move from epc d to b are you the property owner: owner of the property property type: terrace how many bedrooms do you have: 3-4 do you currently have loft insulati...

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19 Jun

House Extensions

London - SE6

Enquiry from: Veronica J

Start Date: Immediate

customer requested quotes for house extension from a builder around london. they are considering a couple of projects at the moment.call anytime to arrange appointment to discuss. the information belo...

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08 Jun

Insulation | Cavity Wall

London - SE4

Enquiry from: Alyson L

Start Date: Immediate

customer in london area has requested that we arrange quotes for their cavity wall insulation project.they are considering various options and would like to discuss with a builder directly.please call...

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11 May

House Extensions

London - SE4

Enquiry from: Jessica W

Start Date: Immediate

L dormer or Mason loft extension

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10 Apr

New Build | Residential

London - SE15

Enquiry from: Alina W

Start Date: Immediate

We have a property in Peckham that has been inherited, the ground floor units are being rented out, there are three floors and there are various companies working out of the upper floors, but mostly i...

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23 Feb

Building work | Wall Rendering

London - SE15

Enquiry from: Sandra F

Start Date: Immediate

Pebbledash removal and repointing

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23 Feb

Insulation | Loft / Roof

London - SE4

Enquiry from: Vivien v

Start Date: Immediate

Flat roof insulation on an existing flat roof

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12 Feb

Insulation | Loft / Roof

London - SE4

Enquiry from: Vivien v

Start Date: Immediate

Flat roof insulation on an existing flat roof

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28 Jan

Conversion | Loft

Beckenham - BR3

Enquiry from: Alexander C

Start Date: Immediate

hip to gable loft conversion, master bedroom with large dorma, bathroom and dressing room. are you the property owner: owner of the property property type: semi detached what are you looking to conver...

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06 Nov

Conversion | Loft

Bromley - BR1

Enquiry from: Juliet P

Start Date: Immediate

Loft conversion with mist system in open plan area for escape route.

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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 Lewisham is:

£25,128

Builder job Builder cost in 2025
Garage conversion in Lewisham £9,750-£18,450
Loft conversion in Lewisham £32,188-£70,938
House extensions in Lewisham £32,400-£75,600
Loft insulation in Lewisham £450-£690
Upvc or wood porch in Lewisham £2,625-£4,025
Barn conversions in Lewisham £112,500-£172,500
Basement renovation in Lewisham £30,000-£46,000
Bedroom fitting in Lewisham £1,500-£2,300
Bricklayers in Lewisham £300-£460
Cavity wall insulation in Lewisham £400-£820
Commercial new builds in Lewisham £105,000-£161,000
Conservatory base in Lewisham £675-£1,035
Building maintenance in Lewisham £2,250-£3,450
Building insurance works in Lewisham £2,250-£3,450
Pebble dashed walls in Lewisham £2,000-£9,200
Plasterboard dry lining in Lewisham £638-£978
Residential new builds in Lewisham £105,000-£161,000
Restoration and refurbishment in Lewisham £37,500-£57,500
Roof insulation in Lewisham £7,500-£11,500
Underpinning in Lewisham £2,250-£3,450
Wall cladding in Lewisham £1,125-£1,725
Wall rendering in Lewisham £3,750-£5,750
Demolition in Lewisham £2,440-£3,660
Roof room in Lewisham £15,000-£23,000
Shop refurbishment in Lewisham £3,750-£5,750
Single storey house extension in Lewisham £21,600-£37,400
Soundproofing in Lewisham £900-£1,380
Driveway repair in Lewisham £910-£2,280
Garden room in Lewisham £6,400-£9,600
External wall insulation in Lewisham £6,000-£15,000

Related Builder searches in Lewisham

Builder FAQs

does a single storey extension add value to your house?

Does A Single Storey Extension Add Value To Your House?

When you’re looking to construct a single storey extension or perhaps you’re just searching for means to increase the value of your property, this question always pops up. The short and simple answer to this question is a resounding yes, a single storey extension can go a long way to increase the value of your property. Just like any other home improvement, when done right, adding a little extra living space is one of the top things you can probably think of that’ll provide a cool increase in your property’s value. However, before you rush in you must also take note of some factors so you can be certain a single storey extension is the right option for you. These factors include the quality of the build, complexity of the build, cost of the build versus the value gain, ceiling price in the area, finance costs as well as the inconveniences and stress.

Generally, the average cost of a single storey extension can range from £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. So it’s important to know the value they’ll add to your house before deciding to make such an investment.

The value added to your property will depend largely on the quality and size of your single storey extension. The value is usually calculated by estate agents using the number of bedrooms, bathrooms as well as the floor area. Inside London, it’ll typically be priced at £5,000 to £10,000 per square metre, while outside London should be within the range of £900 to £2,000 per square metre.

how to lay loft boards?

How To Lay Loft Boards

Do you need more storage space in your home or property? If you live in a tiny space especially where extensions can’t be made sideways, why not look to the topmost area of your home and consider boarding out your loft to make it usable?

Boarding your loft can make for a fairly easy DIY project but like every other home improvement tasks, it requires some specific skill sets as well as knowledge for a successful construction. Therefore, we’d recommend you hire the services of a reliable professional in order to guarantee the best possible outcome, especially if you lack proper training or experience that’ll help you avoid some costly mistakes. Here, we’ll give you a good insight into the loft board laying procedures.

• Get The Right Tools & Equipment

The materials and supplies you’ll need to lay loft boards include loft boards, screws, tape measure and pencil, drill, hammer, saw, protective gear such as gloves and dust mask.

• Work Out The Area

Measure up the area you need the boards to cover. The standard loft features two different sizes (both are 18mm thick) which include 2400mm x 600mm and 1220mm x 320mm. You should ensure that the board you opt for fits through the loft hatch perfectly.

• Start Laying

Once you’re done working out the area, the next step is to put on your protective gear and start putting the boards in place. You should lay the boards in a staggered pattern so as to give a better strength. While doing this, watch out for any wire running through your loft so they don’t get trapped, you should also cut the boards for easy access to the light fittings’ top.

• Make It Permanent

Upon the successful placement of the boards in a way that offer a safe area to store things and stand on, you’ll have to screw them in place. Start by drilling 2 or 5 holes along the edge of individual boards in such a way that lines up with the centre of the joist below. Once done, then you can fix them in place with screws.

how to update old fitted wardrobes?

One of the main reasons why fitted wardrobes are a popular choice amongst homeowners is due to the fact that they’re able to help maximise storage space and since they’re usually customized for the particular room, they’re always good looking. However, just like any other home item, over time your installed wardrobe may start to look a bit dated and old fashioned. In these type of events and in order to save money, several homeowners would prefer to update its look to a more modern one without having to completely replace the fitted wardrobe with a new one. In this guide, we’ll give some great tips on how to update your old fitted wardrobe. Let’s take a look!

✓ Add mirrors to the wardrobe doors. Your old fitted wardrobe may be made of old fashioned laminate or chipboard which happens to draw scratches and dents here and there. If this is the case, you can simply add mirrors to help conceal the damage or unsightly marks.

✓ Include decorative trimming or panelling. You can choose from the various styles of trimmings you’ll find at hardware stores. By adding some strips of moulding, the whole look of your fitted wardrobe can change significantly.

✓ Painting. If the surface of the wardrobe permits, painting can go a long way to alter the look of the wardrobe.

✓ Change the handles. Handles may seem as a little item that doesn’t add to the aesthetics of the wardrobe. However, in reality, change your old handle with a more modern and fashionable one can make a great difference to the wardrobe’s overall appearance.

✓ Upgrade the interior. You can upgrade the interior of your wardrobe to give you more options and a better appearance. For instance, you may wish to have part of the wardrobe to offer integrated shelving or perhaps pull out drawers rather than having all the interior space for hanging clothes and garments.

how much do roof rooms cost?

How Much Do Roof Rooms Cost?

The price of your roof room may vary depending on your location within the country. Other factors that can also play a key role in determining the price of a roof room includes the conversion’s type as well as the legal and technical issues it’s currently facing. Usually, the cost of roof rooms will range between £1,200 to £2,000 per square metre. The differences in the price per square metre is influenced by the size of the alterations to the roof, the type of roof room to be constructed, the access, location as well as the finishing type.

• DORMER LOFT CONVERSION.

Here, one of the slopes of a pitched roof is substituted for a box-shaped structure. The outcome is a flat roof space which enables the fitting of full sized windows as well as the incorporation of several appliances. This is quite expensive as it involves a total rebuilding of one roof pitch alongside the complete internal works that are associated. The average cost of a standard dormer loft project will range between £25,000 to £50,000.

• HIP TO GABLE LOFT CONVERSION

Here a vertical brick wall is used to substitute the roof’s slope at the ending part of the terrace on detached buildings. The average cost of this type of roof room will range between £32,000 to £60,000.

• ROOFLIGHT LOFT CONVERSION

This basically involves fitting rooflight windows in the roof. Other improvements include flooring, plasterboarding, strengthening of the existing floor, as well as installation of rooflights. The average cost of this type of roof room will range between £15,000 to £25,000.

• MANSARD LOFT EXTENSION

This roof room can create an extra storey on top of an existing building as it makes a space featuring two or four external walls that are a bit sloped. The average cost of this type of roof room will range between £40,000 to £70,000.

How to convert a basement into living space?

The best way to go about converting a basement depends on its current condition and what you’d like to use it for.

If you’re happy with its size and structure, and just want to turn it into useful storage space, then your project shouldn’t be too complicated. You’ll simply need to make sure it’s damp proof and waterproof – either by fitting tanking or a cavity drain membrane with a sump and pump. You may also need to invest in new flooring, fit basic lighting, and plaster and paint the walls and ceiling.

If you’d like to turn your basement into living space, then you’ll need to think about ventilation, insulation and heating. If this involves creating a kitchen or bathroom, you’ll also need to incorporate plumbing.

If you want to extend your basement, add lightwells, or fit windows and a sunken garden, this makes things much more complicated. You’ll probably want to hire an architect or basement conversion building specialist to help you with the design and planning, and you’ll need a structural engineer to help you ensure your property is sufficiently supported.

do you need planning permission for a loft conversion?

Typically, loft conversions do not require planning permission except in certain situations. They’re usually covered under what’s known as Permitted Development. Certain building works like loft conversion, rear extension and conservatories are granted planning permission by local authorities. Permitted Development, however, gives you a free range to improve your home without having any issues from the councils or regulations. Before your planned loft conversion can be covered under Permitted Development, there are some certain criteria that must be met. This criteria includes the following:

✓ The extension must not go beyond the existing slope of the roof at the front of the house.

✓ The loft space converted must not go beyond 40 cubic metres in a terraced house.

✓ The roof’s height must not be increased by the extension.

✓ The loft space converted must not reach beyond 50 cubic metres in a detached or semi detached house.

✓ The plan for the extension mustn’t involve structures like balconies, verandas or anything other structures of this nature.

✓ The roof extension should be positioned as far back as possible or at least 20cm from the existing eaves.

✓ The side that faces the window openings should be at least 1.7m beyond the floor and the windows should also be obscured.

✓ The roof extension must not overhang the existing roof or wall of the house.

✓ The materials that are to be used must be similar or the same to the materials that has already been used on the house’s exterior.

However, you should bear in mind that there are some properties that are exempt from Permitted Development. Examples of these type of properties include conservation areas, Areas Of Outstanding Natural Beauty and World Heritage sites. Permitted Development does not also provide coverage for listed buildings.

how to repair sunken concrete driveway?

How To Repair Sunken Concrete Driveway

If you have concrete driveway that’s cracked, uneven and mostly especially sunken, you’d know how distasteful it can be just viewing it on your property. A sunken concrete driveway is most likely caused by rainwater erosion removing the soil under it or a big root under it which as rotted over time. Another possible cause of the sunken concrete is an improperly prepared base which implies that the soil beneath wasn’t fully compact when the concrete was poured on it. Later on the soil beneath will eventually settle and shift below the concrete driveway which weakens the integrity of the entire driveway, making it more vulnerable to cracks, unevenness and sunken.

Two ways in which you can fix this problem includes either demolishing the whole driveway, re-compact the soil underneath and fill with new concrete or repair the entire driveway using an easy process called slabjacking. In this article, we’re going to look at the slabjacking repair process as it’s significantly less expensive than the demolishing approach and will also cause minimal disruption to your lifestyle.

Also referred to as mudjacking or concrete lifting, slabjacking is simply a process used to float your existing concrete back to its original position. If you are not a competent DIYer or lack confidence to pull this off, we’d recommend reach out to a professional for help. If otherwise, then you can practice the slabjacking process given below.

✓ Drill holes through the slab.

✓ Pump grout mixture through the holes. This mixture will spread out beneath he driveway and raise it up.

✓ Lastly, fill the holes and level the concrete driveway surface.in such a way to hide the signs of the repair made.

This is a process that works to efficiently get your driveway back in a top condition relatively quickly.

what is a garden room extension?

A garden room extension, also referred to as Sunroom or Solarium, is basically a stand alone garden building that’s totally detached from the home. They are typically semi-glazed building that features a tiled roof rather than glass. What would have been good examples of garden rooms extensions include conservatories, orangeries as well as pool houses, however they are constructed with the help of different materials and features which ultimately makes them different to garden rooms.

Garden room extensions are built with the major purpose of adding extra functional living spaces for a wide range of room options such as a second living room, dining room, study space, home garden office or a rehearsal space - the options are numerous. In other words if you’re looking for an additional usable space within your home or property, a garden room extension can be designed to suit your needs. So whether you need comfy sofas for evening relaxations, a sturdy office desk for work or large dining room table for dinners with family and friends, a garden room extension can be all that you need to achieve to your living space goals or just to add more value to your property.

Garden rooms extension has multiple alternatives such as a conservatory, garage conversion, loft conversion, extension and garden rooms. However, it has some great benefits over its alternatives. These benefits include, being very cost effective, hassle free, can be built within 5 to 9 days, rarely requires planning permission, does not require building regulations approval, includes a full professional installation and management without any need for subcontractors, modern and unique as well as being very versatile. Overall, if you’re looking to create an additional space in your home without having to break the bank, then garden room extensions may be your best bet.

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