Hip to Gable Loft Conversion
LOFT CONVERSIONS FOR OVER 20 YEARS!
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Hipped roofs are most commonly found in semi-detached houses and bungalows. There are also examples of large detached properties boasting a hipped roof, but this is less common.
The structure of the hipped roof was an efficient design used by housebuilders after the second world war. Typical A-frame roofs will have a flat ridge line to a gable end, which uses more materials and was just wasted space. Fortunately, the construction of a hip roof lends itself well to a loft conversion.
A hip-to-gable loft conversion will extend your ridge up to a newly built gable. At this stage, your roof structure will look like an A-frame. It is possible to incorporate a dormer into the structure. Hip-to-gable loft conversions offer a lot of benefits, but the scheme of work is relatively intense.
This is because the old roof and structure needs to be cleared so that rafters will need to be reinforced and there is also likely to be a steel ridge beam. The calculations for a hip-to-dormer loft conversion should be done by a qualified structural engineer.

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How Much Will A Hip To Gable Loft Conversion Cost?
As with any loft conversion, there is no hard and fast rule for calculating the costs of a project. There are so many aspects that can affect a design, and the work that needs to be done to convert a loft. The cost of a conversion of this nature can start from £40,000, but can be anywhere above that figure depending on your requirements. As mentioned, there are specialist materials and skills required to convert a roof structure. Everything needs to be done by professionals to ensure it passes building control. Be wary of quotes that seem too good to be true and always choose an experienced company.
The main thing to consider is the cost of materials and labour, as these will be greater for a hip-to-gable loft conversion than they would be if your property already has an A-frame roof. As mentioned, there are specialist materials and skills required to convert a roof structure. Everything needs to be done by professionals to ensure it passes building control.
What Permissions Are Needed For A Hip To Gable Loft Conversion
Hip-to-gable loft conversions are a great option because can create a great deal of additional usable space, especially if the design is done by a professional company like Clapham Construction. However, there are many considerations to be made when it comes to a hip-to-gable loft conversion.
You will need to make sure you have all of the permissions and agreements in place. For example, it is necessary to have enough headroom in the loft space and there also needs to be an area on the floor below that can accommodate a staircase. You will also need to engage a qualified structural engineer and ensure that all works comply with building regulations.
If you would like to book a consultation we can provide you with a free, no-obligation quotation.


Hip To Gable Loft Conversion Interiors
What sort of finish would you like in your new loft conversion? A hip-to-gable can add a lot of extra space, which will mean greater fixtures and finishing costs because there is simply more space to fill. Furthermore, if you are adding an upstairs or en suite bathroom then you will also need to include the cost of bathroom suites and plumbing into the build cost too.
Of course, all of this can be taken care of by a professional company like Clapham Construction. However, you will also want to furnish the space once the builders have left. Talking through your ideas and plans with a professional will give you inspiration and help get the most out of your new space once it is finished.
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Testimonials
Georgia Beales2025-08-01Trustindex verifies that the original source of the review is Google. We’ve had our dormer loft conversion for coming up to three years now and haven’t had any major issues in this time. Any minor snagging issues have been dealt with quickly by Clapham. The whole process from start to finish was seamless. All the builders were very friendly and considerate too. Will continue to recommend this company to anyone who needs a loft done and will not hesitate to use again in the future. Thank you! Danilo Rico2025-07-07Trustindex verifies that the original source of the review is Google. Clapham construction service was extremely professional, the project was finished before the plan and we are so happy with our new space. Problems were resolved quickly and efficiently throughout the process. This was one of our best investment that not only added value to our property but also a significant improve of our quality of life. Joel Prime2025-07-02Trustindex verifies that the original source of the review is Google. I had a loft conversion completed by Clapham Construction Service earlier this year and couldn't be happier with the results. Paul and Dangis were on site every day and kept me fully informed throughout the entire process. Their communication, professionalism, and attention to detail were outstanding. I felt completely confident in their work from start to finish. Highly recommended for anyone looking for reliable and high-quality building services. Jane Ansell2025-05-08Trustindex verifies that the original source of the review is Google. We recently completed a double mansard loft conversion with Clapham Construction Service, and were very happy with the whole design and build process from start to finish. Paul and Dangis were great to work with, providing clear communication and always being available to answer questions or discuss options. Their team are also excellent, with all the trades doing a great job, very professional and respectful of the rest of our house. Inevitably with a build project there were a couple of issues that cropped up along the way, but CCS were excellent at helping resolve them. We are delighted with the final loft and the extra space, and have already recommended them to others! Jamie Garratt2025-01-24Trustindex verifies that the original source of the review is Google. We have just completed a loft conversion with Clapham Construction and it was great! We are so pleased with the new loft we have in our house, but the process of working with CC was really good. They were easy to engage with from the outset, the price was competitive and the actual construction was quick and efficient. Obviously it was a major building project with all the mess and decisions you’d expect, but it was made a lot easier and less stressful working with Paul, Dangis and the team. They completed the project on time and on budget and we enjoyed working with them - that is more than almost anyone we know can say about similar projects! We’d definitely recommend them. Christina Ansong2024-10-16Trustindex verifies that the original source of the review is Google. We had an exceptional experience with Clapham Construction for our loft conversion. Paul, Dangis, and the whole team were fantastic from start to finish. They transformed our attic into two beautiful loft rooms and a bathroom, exceeding our expectations with their attention to detail. The entire project was completed at an impressive speed without compromising quality. The team showed great care throughout, ensuring everything was done to the highest standard. Their service was professional, friendly, and stress-free. We’re absolutely thrilled with the results and would highly recommend Clapham Construction! Ayan Sengupta2024-08-31Trustindex verifies that the original source of the review is Google. We have recently used Clapham Construction Services for loft conversion to add a bedroom and a bath in the house. We are very happy with the end-to-end experience with Paul, Dangis and the entire CCS team for high quality work done in quick time and with a very collaborative approach. Our overall project went into some unexpected blockers, but Paul and Dangis patiently helped us to resolve all the matters, kept us updated with timely communication and have been very flexible to guide us. They brought in a fantastic team to complete the work fast and in a cost-efficient manner. We will recommend CCS any day as a trusted team for home transformation projects. Dani Carter2024-07-02Trustindex verifies that the original source of the review is Google. 2024 Review - Part 2 Building a whole new kitchen and taking down every wall is not for the faint hearted. We took a number of years to decide and raise the funds. At tender stage, Clapham Construction, the top team who built our loft 2 years previously (see the other review below), suggested they might have space to take on the project. It was a key decision. From the off they worked tirelessly to keep the build on time and worked hard with us to keep it on budget. Paul or Dangis were on site daily managing the teams and fielding our endless questions. There were obviously bumps, stresses and challenges, it was a rollercoaster; but the high level of communication and attention to detail was exceptional. And all done with great humour and calm disposition. Not only did they take the time to manage the teams and us, they also helped with every niggle on the way - from architects, to delays with the door supplier we had sourced independently. We are now in the extremely fortunate position of having a space we could only have dreamed about. This would not have been possible without Paul and Dangis and the Clapham Construction team. In addition, they are just lovely people who are a joy to have in our home. Not the most essential thing you might think when hiring a build team, but actually crucial in the day to day grind of chaos and dust. We are hugely, eternally grateful and I just cannot recommend them enough. 2022 Review - Part 1 Absolute professionals is the first thing you need to know about Clapham Construction service. And there are two further things: they are brilliant at what they do and they are generous in spirit. Throughout our project Paul and Dangis answered our naive questions with warmth and care. They helped guide us at every turn, and almost certainly saved us money by making sure we considered all the options we had before making key decisions. But not just customer care, the building work is also top notch. The build itself was a well oiled process, coordinated with skill. I was initially worried about getting an anonymous loft company I'd never heard of in (after getting 8 different quotes from a variety of places including famous local ones) and being part of the 'box on the roof' brigade. Yet somehow, they have created build magic with some tweaks on 'a little bit of height' here, and 'a little configuration' there. We keep marvelling at the sturdiness and smoothness of the physical build even now, and the army of highly skilled teams they have were a pleasure to host in the house while we worked from home. And finally the most important bit - the money stuff- our Loft extension (including bathroom) was completed on time and more or less on budget. The additional costs were the unforseen (yikes victorian chimney ) and a few flourishes that we ourselves added to the mix (make everything gold). Any additional build costs were communicated efficiently and immediately. Our experience of Clapham Construction is that they are patient, hugely knowledgable, and detail orientated with a wealth of incredible advice. Book them now if they have a slot! Davina combes2024-06-19Trustindex verifies that the original source of the review is Google. I recently finished a loft conversion (2BR plus a bathroom) with CCS and couldn’t be happier with the new space. The process could not have gone smoother thanks to Paul, Dangis and their fantastic teams professionalism and attention to detail. They stayed on the timeline that was agreed despite terrible weather conditions which they worked around without any issues reassuming me every step of the way. I have a few more projects around the house and will definitely be looking forward to working with them again. Thanks Paul, Dangis and the CCS team. Freddie R2024-03-26Trustindex verifies that the original source of the review is Google. Paul and Dangis come highly recommended, they completed the conversion of our loft into an L-shaped mansard providing an additional 2 bedrooms and en-suite. From initial engagement, Paul and Dangis couldn’t have been more helpful, providing us with the necessary information and quotation in order for us to make the decision to undertake the works to the property. We have now lived in the finish product for over 6 months and feel that if we needed CCS assistance then they are still at the end of the phone. In summary, we are thrilled with the product, and the process was made simple - 10/10!
Google rating score:5.0 of 5,based on 54 reviews