How much does a flat roof cost?

If you require flat roof installation, whether this is for a new build or you are replacing an existing roof, it’s important that you budget accurately to establish how much you’ll be paying. After all, you need to ensure that it is going to fit into your budget. It is important to understand that there are a lot of different factors that are at play when it comes to determining the cost of a flat roof, and because of this, the price can range anywhere from £1,000 to upwards of £5,000.

Yes, this is a wide range in price. However, you need to factor in the experience of the roofer, the location, the materials used, and the size of the flat roof, as well as a number of other factors. If your roof is difficult to access, more equipment is going to be needed, and this can also add to the cost.

The best way to find out the cost of your new flat roof is to get in touch with us here with your requirements and we can give you a no obligation quote.

Flat roof cost factors

Flat roofs are popular in a number of different circumstances, for example, for out-houses and garages. However, they can differ in price depending on a number of different factors. So, let’s take a look at the cost of a flat roof in more detail below so you can get a better understanding.

1. Cost of materials

The materials used within the construction of the flat roof do play a critical role. You have many different options to select from, including lead, fibreglass, single ply membrane and felt. The roofing company you hire should help you to understand the options at your disposal so that you can make the best choice for your project. Read more about choosing a reputable roofing company below.

Naturally, some materials are going to be more expensive than others. If you were to choose a felt flat roof, for example, then the price per metre squared is typically somewhere between £40 and £70. Other materials tend to be more expensive. For example, you can expect to pay between £80 and £100 per square metre for rubber flat roofs. You can expect to pay between £80 and £110 per square metre for fibreglass flat roofs. Finally, you can expect to pay between £90 and £110 per square metre for lead bay flat roofs.

2. The size of the roof

Aside from this, you need to carefully consider the type of project that you are going to be embarking on. In most cases, a flat roof is not used to act as the main roof. We often see flat roofing used for certain sections of a property, rather than being used as the overall roof.

Nevertheless, if you are using a flat roof for the entire roof, for example, if you are looking for a roof for a bungalow or an apartment, then the price is more likely to be higher. As you would expect, the scale and size of the project is going to make a massive difference when it comes to the quotes that you receive for your new flat roof.

3. Are there any additional costs that will be added to your quote?

When figuring out how much you are going to be charged for a new flat roof, one thing that you also need to factor in is whether or not there are going to be any extra costs added to your final bill. For example, some scaffolding may be required when replacing a flat roof or adding a new one, and so there are, of course, costs associated with this. By law in the UK, scaffolding is a must for any sort of work that is carried out at a height.

There are a number of additional flat roof costs that can occur depending on the condition of your existing structure and roof as well as any bespoke requirements you may have. Consider the following questions as they’ll most likely incur extra charges to ensure the work is completed to high standard:

  • Is your roofing structure sound?
  • Do you need a replacement timber board?
  • Is insulation required to meet building regs?
  • Do you require any special detail i.e Velux rooflights, coppings etc?

Important factors when choosing a reputable roofing contractor

When searching for flat roofing costs and quotes, there are a number of important considerations to establish whether the quality of their work is up to industry standards and that you are covered in the event of any issues with the work. Ask your flat roofing contractor the following questions:

  • Are they members of NFRC Competent Person Scheme – if your roofing contractor is part of this scheme, they’ve passed a number of checks to ensure they will not only do a good job, but legal obligations are met. For example, they have to pass a financial check, complete and pass a desktop audit, office audit and a comprehensive site audit to ensure they are adhering to all British standards, building regulations and health and safety requirements. All contractors are audited annually.
  • TrustMark Registered – Alternatively, a reputable company may be TrustMark Registered. This ensures the company doesn’t have any outstanding complaints or criminal charges. Backed by the government, TrustMark assesses a roofing contractor against technical competence, good customer service and good trading practices.
  • Insurance covered – Make sure to double check the insurance details of your chosen roofing contractor. This ensures peace of mind that all checks have been carried out.
  • Can they provide a detailed quote, outlining the schedule, materials used, safety measures and protection? A reputable flat roofing contractor should be able to provide this level of detail.
  • How long have they been established and do they have a valid office with staff you can contact any time throughout the project? It’s important that you choose a contractor that clearly appears reputable and established.

Get a free quote

We hope that this has helped you to get a better understanding of the different costs that are entailed so that you can budget effectively. Should you have any questions or concerns regarding the quote you have received, the best thing to do is get in touch with us and get a free site visit and estimate so we can accurately estimate your new flat roof cost. Get in contact with our roofers in Surrey today.

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Happy Customers

Michal SprzonczakMichal Sprzonczak
13:07 25 Apr 24
This is not the first time we have used AWilson' Roofing services. As usual, the project was completed on time, the employees were very helpful and friendly and Cristian, with whom I usually cooperate, always offers good advice. I will definitely use AWilson Roofing for my next project.
mark millaismark millais
22:35 12 Mar 24
Really impressed with the quality of the work and the professionalism efficiency and politeness of the tradesmen
Penny MelrosePenny Melrose
14:13 07 Dec 22
This is at least the third time I’ve used A Wilson Roofing and, yet again, they did an excellent job. This time the work was to replace a skylight in a loft and since the property was mid terrace, everything had to be carried through the house (including the needed scaffolding). The work was prioritised because the old skylight was leaking and the carrying through of scaffolding and gear, and all the work went smoothly. This was much appreciated as this is a tenanted property, and my tenants are good people.I asked A Wilson to do this work not only because they do a good job – but also because they have skilled sensible people managing their teams of roofers and scaffolders. This makes it easy to have realistic conversations about the work and expectations and I don’t end up trying/failing to micromanage the actual workers. That means a lot to me.
sps fbsps fb
12:31 07 Dec 22
We had a newly built pitched roof over our small front extension / garage conversion back in September. The team from A Wilson (Cristian in particular) were incredibly flexible and helped guide and advise us to ensure we got what we wanted. They were reliable and I would recommend them to anyone considering roof or small building works.
Jo KitsonJo Kitson
15:12 02 Dec 22
New roof for swimming pool completed efficiently and area left very tidy. Great comms too.
Paul WellsPaul Wells
17:51 12 Oct 22
The A Wilson Roofing replaced the lead valleys on the apex to the front our house after an ongoing leak we were experiencing.The whole team were a great to deal with from Kylie in the office, the estimator, installation team and even their scaffolders were nice guys.They produced a quotation, put up scaffold, carried out the repairs and off hired the scaffolding in a week and a half, thats pretty impressive work!These will be our go to roofers from now on.
Amy TyneAmy Tyne
16:02 23 Jun 22
Really happy with the work, A Wilson Roofing did a brilliant roof renewal. Amazing and professional team, couldn’t recommend them more.
Tracy KopickiTracy Kopicki
08:38 15 Jun 22
Super efficient, friendly team, keeping us well informed as the work progressed. Extremely tidy too !!
Jerry WinderJerry Winder
20:46 16 May 22
Good Professional service, even took away rubbish!
John WhitewickJohn Whitewick
16:52 17 Mar 22
Very professional, thorough and friendly. Kept informed through the journey from inspection, quotation and work carried out. The workmen were very tidy and informative of the actions they were taking. I have no problem in recommending A. Wilson Services.
William RhodesWilliam Rhodes
14:30 17 Mar 22
I was recommended to this company and was not disappointed. From the prompt inspection of the roof damage to sending me the quote (the following day) they were extremely professional, informative and friendly. The work carried out was of a very high standard and was completed within the timeframe they had quoted.I would definitely use them again and would have no hesitation in recommending them.
Vana ParkerVana Parker
11:48 03 Feb 22
We were so pleased with the repair to our 100 year old roof. Super professional team producing high quality work. Highly recommended.
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Your house is usually your biggest investment in life – so why risk it! A Wilson Roofing, Surrey hold full Public Liability and full Employers Liability insurance on all contracts, large or small. This is a very important point to consider when deciding which roofing contractor to use and we are happy to provide copies of our current certificate.

If you’re looking for a quality roofer in Surrey, get in contact with us today.

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