Attic space is a great area to convert, and loft conversions are a great way to do it. Loft conversions can make that dream a reality, from a cosy bedroom to a sleek home office to a trendy playroom, or indeed any combination of the three. They’re a popular choice for homeowners in the UK, where space is often limited, who want to add value and style without having to move house.
Not all bungalow loft conversions are the same, however! Each type has its features and advantages, from hip to dormer. This blog will discuss the different types of loft conversions, covering details like the cost of building these lofts, the trending ones, and the best for specific areas.
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Cost Breakdown and Important Notes for Loft Conversions
Here’s a breakdown of the estimated, timescale and the important notes for the construction projects of small loft conversion types in the UK as of 2025. The prices can be different based on your location and depend on the supplier and the contractor or loft conversion builders. ( An experienced contractor will help you in cutting the price as he will carefully handle the resources and try to minimise the cost of construction.
| Loft Conversion Type | Average Cost (£) | Cost Range (£) | Approximate Timescale (weeks) | Notes |
| Velux (Roof Light) | 27,500 | 22,500–30,000 | 4–6 | This option is the most affordable one; It involves the installation of skylights without changing the roof structure. Good for lofts that already have enough space and headroom. |
| Dormer Attic Conversion | 50,000 | 40,000–60,000 | 10–12 | It gives an added box-like structure to the existing roof with additional headroom and floor space. Most house types can use it. |
| Hip-to-Gable | 60,000 | 50,000–70,000 | 10–12 | It extends the sloping side of the roof to make a vertical wall and increases interior space. Usually found in semi-detached or detached houses. |
| Mansard | 65,000 | 50,000–80,000 | 8–10 | It’s a process that involves altering the entire roof structure to a near-vertical slope, maximising space. It often requires planning permission because it involves such significant changes. |
| L-Shaped Small Dormer Loft Conversion | 55,000 | 45,000–65,000 | 10–12 | Typically at the rear of the property, combines two dormer builds in an L shape. Used in Victorian or Edwardian properties, they provide substantial additional space. |
| L-Shaped Loft Conversion | 55,000 | 45,000–65,000 | 10–12 | It behaves like an L-shaped dormer in that it uses two roof sections to create a large flexible space. Great for rooms or a self-contained unit. |
Trending and Famous Loft Conversions Designs in the UK
There are distinct designs of Loft conversions in the UK, the designs in South London loft conversions can be different from those in North London. Now there are some of these are becoming top trends in UK home design, with over 200,000 completed annually. Let’s explore the trending loft conversion designs in the UK.
Mansard Loft Conversion
Mansard loft conversion involves changing the whole roof shape to make extra space. Its roof is flat and its back wall slopes at 72 degrees. However, Mansards are very good for adding lots of space, especially in older terraced houses. The results are worth it, usually increasing property value by 20%, but they take more work and money.
Pros:
- Ideal for benefiting from space in high property value areas.
- It adds a great deal of space, perfect for older terraced houses.
- Up to 20% increase in property value.
- It gives a sleek, uniform look.
Cons:
- It needs more construction work and higher costs.
- Needs planning permission often.
Dormer Loft Conversion
There is a bit of a difference between dormer loft conversions and a traditional loft conversion. Box-like structures add to the roof, providing extra headroom and floor space. Most house types work well with dormers and they are best for adding a double bedroom or office.
Pros:
- An inexpensive means of getting a practical space without major structural alterations.
- Appropriate for most house types.
- It gives extra headroom and floor space.
- Great as extra functional rooms like bedrooms or offices.
Cons:
- Not all architectural styles may be suited for that boxy look.
- Moderate construction costs.
Hip-to-Gable Loft Conversion
A hip-to-gable conversion extends a sloping side home roof to give it a vertical wall. It gives you a lot of space, especially in semi-detached or detached houses. If your roof feels too narrow, it’s a smart way to maximise space.
Pros:
- It converts narrow lofts to wide, functional zones.
- Space optimised for use in semi-detached or detached homes.
- It gives you a beautiful seamless modern exterior.
- Good for narrow or sloping roofs.
Cons:
- Only for homes with sloping roofs.
- It might need to be planned.
Roof Light Loft Conversion
The roof light conversions also known as the Velux conversions are simple and very affordable. Instead, they don’t change the roof shape but put in skylights to let in natural light. If your home has plenty of already existing loft space, this is a great option.
Pros:
- Perfect for those homes with already large lofts that require natural light.
- It is the most affordable and quickest to install.
- Retains original roof structure.
- Allows natural light to bring in the space.
Cons:
- It doesn’t add to headroom or floor space.
- Only available in lofts with adequate existing space.
L-Shaped Dormer
An L-shaped dormer consists of two dormers joined at a right angle that forms the letter “L”. Usually found in Victorian or Edwardian homes, it creates a lot of extra room and often adds room for several rooms or a large bathroom.
Pros:
- An “L” shaped layout maximises potential in period properties.
- It creates a lot of additional space.
- Ideal for use in multiple rooms and larger bathrooms.
- It suits Victorian or Edwardian houses.
Cons:
- It requires significant structural changes.
- More complex and hence higher cost.
L-Shaped Loft Conversion
This type of conversion utilises the space of two roof sections. This is very similar to the L-shaped dormer and is great for converting your loft into a large, flexible space, such as a studio or separate flat.
Pros:
- It transforms lofts into large and flexible spaces that are perfect for rental or use by a family.
- Two roof sections have been utilised for maximum space.
- Perfect for creating multi-functional spaces like studios or flats.
- It adds a lot of property value.
Cons:
- Available only in homes with acceptable roof forms.
- Complexity leads to higher construction costs.
Each loft type has its benefits, and the choice you make will depend on your home’s layout and your goal.
When Did Loft Conversions Become Popular?
Loft conversions are more cost-effective than extensions because they utilise existing space without needing extra land. For the UK’s weather, they are ideal, providing warmth and energy efficient home as long as it’s insulated properly. Many people tend to have their bungalow loft conversion or garage loft conversions. Things like dormers and roof lights that allow natural light into the space make it feel open and airy. That’s a plus, and they can even increase your home’s value by up to 20%!
What are the Benefits of a Loft Conversion?
- It gives space to your home.
- Increases property value.
- It avoids the cost of moving to a new house.
- It can offer you a home office or an extra bedroom.
- It makes better use of unused space.
- Can be completed without harming your garden.
- A lot faster and cheaper than traditional extensions.
- Better insulation improves home energy efficiency.
Why Buon Construction Is Your Solution for Construction Projects?
- We offer a range of construction services, including home renovation, property extension, loft conversions, roof conversion, fencing, kitchen and bath remodelling, etc.
- Our skilled workers and loft conversion specialists have experience in handling heavy machinery and extensive tools.
- We have a 95% client satisfaction rate and never leave a project without complete client satisfaction.
- Our rates are quite reasonable because we have many ongoing projects, and our workers are allocated to the projects based on priority.
- We meet deadlines and deliver the project on time.
- We believe and understand the value of clear communication before the start of the project.
- Our rates are affordable and better than our competitors.
Summary
We have explored the different types of loft conversions in the UK, their building costs, pros and cons, and why they are becoming so popular. We’ve also explained why Buon Construction can solve all your construction problems at once.
We hope we’ve cleared your mind if you’re willing to start your construction project right away.Give us a shot, and we’ll send our expert for a site and project inspection. Don’t wait for prices to go up, start today and make it happen with a loft conversion to transform your living space with Buon Construction.
