Compare loft conversion quotes from trusted local specialists .
Compare vetted local installers, prices and project options and find the right specialist quicker. No obligation and takes less than 60 seconds.
Get your free quotes
60 secUp to 3 vetted specialists near you. No obligation.
Three steps between you and the right specialist.
Tell us about your project
Fill in our simple form with a few details about your loft conversion and where you are located. Less than 60 seconds. No fees ever.
Get matched with local specialists
We'll match you with up to 3 vetted loft and attic conversion specialists in your area. Every one of them has been checked for experience, insurance and a solid customer track record before adding to our network.
Compare quotes and choose
Your matched specialists will get in touch with you directly to arrange a free survey and give you a detailed quote. Compare their prices and approach and pick whomever feels right for you. No pressure, no obligation.
Quote requests processed across the UK
Vetted specialists matched per homeowner
Typical response time from matched specialists
Free for homeowners at every stage
Every type of loft conversion, explained.
Starting prices according to Q2 2026 UK market data from specialists within our network.
What loft conversions actually cost right now.
Loft and attic conversion costs are around £22,000 for a basic Velux conversion to £95,000+ for a full mansard build across the UK in 2026. These numbers are from real quote data that we have gathered via our platform and compared to current Q2 2026 pricing from specialists in our network.
| Conversion type | UK average | London & South East |
|---|---|---|
| Velux / Rooflight | £22,000 – £45,000 | £28,000 – £55,000 |
| Dormer | £45,000 – £65,000 | £52,000 – £80,000 |
| L-Shaped Dormer | £55,000 – £75,000 | £65,000 – £97,500 |
| Hip to Gable | £45,000 – £75,000 | £55,000 – £90,000 |
| Mansard | £55,000 – £95,000 | £65,000 – £120,000 |
Added to your property value from a loft conversion.
Source: Nationwide Building Society
- 01 Far cheaper than moving house when you factor in stamp duty and fees
- 02 No garden space lost unlike a ground floor extension
- 03 Most projects do not need planning permission
- 04 Creates flexible space for a bedroom, office, bathroom or playroom
- 05 Typically completes in 8 to 16 weeks depending on conversion type
What people say after their project's done.
Great service! I got three quotes in just two days and ended up saving more than £5,000 by comparing. The company we went with did an excellent job on our dormer conversion.
I was really impressed with how simple the whole process was. I didn't get any pushy sales calls and just honest quotes from local professionals. Definitely recommend it.
Our Velux conversion has completely changed our home and this service made it so easy to find the right builder. I will definitely use your service again for any future projects.
A loft conversion quote comparison service.
LoftConversionUK.co.uk is a free quote comparison service which matches UK homeowners with approved local loft and attic conversion specialists. We are not a loft conversion company and we do not do any building work ourselves.
We launched in 2024 and we have since processed more than 2,000 quote requests from homeowners across England, Scotland and Wales. We check every specialist in our network for experience, insurance and customer track record. The quote requests are paid for by specialists which is why our service is completely free for homeowners at all stages.
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Compare free no-obligation quotes from vetted loft conversion specialists near you. Takes under 60 seconds.
Get your free quotes
60 secUp to 3 vetted specialists near you. No obligation.
The questions homeowners actually ask.
Is this service really free for homeowners?
Yep totally free for you and you won't have to pay a cent at any point. We charge the pros in our network a fee to get access to quote requests and that covers the cost of running this website. So there is no charge to you and no obligation to actually go with anyone you are matched with.
How long does it take to complete a conversion project?
Honestly, it depends. Most loft conversions land somewhere in the 6 to 8 week range but that is just a rough average. Biggers jobs with complex tasks involved will take much longer than the average.
What types of loft conversion do your specialists cover?
Our specialists are equipped with all required skills to do any type of loft conversions including Dormer, Mansard, Velux and Hip-to-Gable conversion. You can choose any type according to your needs and budget and your chosen contractor will be able to guide you to choose what is best for you.
Is planning permission required for a loft conversion?
In most cases you won't need a planning persmission as it usually falls under permitted development rights but you will need building regulations approval. You may need planning permissions under special circumstances so make sure to check with local authorities or consult with our specialists.
Is my information kept private?
Yes, absolutely. We only share your details with the specialists you are matched with and that is purely so they can get in touch about your project. We never sell your information or pass it on to anyone else.
What happens after I submit the form?
We match your request with up to 3 vetted local specialists in your area. They contact you directly to arrange a free no-obligation survey and provide a detailed quote. You are free to compare and choose whoever feels right with no pressure from us.