The types of Loft Conversions that we work in -
For a lot of homeowners in Swiss Cottage, a dormer conversion is the moment the house finally starts working properly for them. It extends out from the rear of the roof, adds real standing height, and turns a loft that was only good for storing boxes into a room you'd genuinely want to be in. It's one of the most straightforward ways to add space to a home without touching the garden or moving somewhere bigger. Swiss Cottage has a varied housing mix Victorian and Edwardian terraces sit alongside inter-war semis and some larger detached properties. Most of these roof types work well with a rear dormer, and when the work is done properly it tends to look completely natural from the outside. People use the room for all kinds of things a master bedroom with an en-suite, a home office away from the noise downstairs, or a quiet guest room. Whatever the need, there's usually enough space up there to meet it. Best for: Victorian, Edwardian and inter-war homes in Swiss Cottage, families or professionals needing an extra room, and lofts that are currently too low or too awkward to be worth using.
Hipped roofs are fairly common on the semis and detached homes around Swiss Cottage. The side of the roof slopes inward, which looks fine from the pavement but causes a real problem inside the loft, that slope cuts into the space and leaves you with a narrow, awkward area that's difficult to do much with. A hip to gable conversion removes the sloped section and builds a straight vertical wall in its place. Immediately the loft opens up and you have the full width of the roof to work with. Most people in Swiss Cottage add a rear dormer alongside it, and that combination gives you enough floor area for a bedroom and a proper bathroom without things feeling cramped. It's one of the more effective ways to unlock space that the original design of the house was quietly keeping from you. Best for: Semi-detached and detached homes in Swiss Cottage with hipped roofs, homeowners who feel the loft is too pinched to convert, and anyone who wants a functional layout rather than a room that feels like a workaround.
Not every project needs to be a major build. A Velux conversion works with the roof you already have, no extensions, no structural changes, no alteration to the roofline. Windows go into the existing slope, the floor is reinforced, insulation is fitted, and the room is signed off to building regulations. From the outside, the house looks exactly the same as it did before. In Swiss Cottage, where a lot of the streets are characterful and the appearance of properties matters, this can be a genuinely appealing option. If the loft already has decent head height, you can end up with a really comfortable room without the cost or complexity of a larger conversion. It's also a quicker process from start to finish, which suits homeowners who want results without months of disruption. The natural light that comes through Velux windows is better than most people expect, and in a well-insulated loft it can be a surprisingly pleasant space to spend time in. Best for: Swiss Cottage homes with good existing loft height, anyone working within a set budget, and properties where preserving the external character of the building is important.
If your Swiss Cottage home has a rear extension, an L-shaped dormer is one of the smartest conversions you can do. A dormer is built across the back of the main roof, and a second one sits over the top of the rear extension. The two connect and form an L shape, and the floor area that creates is substantially larger than a single dormer could ever offer on its own. That extra space makes a real difference to what you can do with the layout. Two bedrooms and a bathroom upstairs is very achievable, and none of it needs to feel tight or undersized. Swiss Cottage attracts a lot of families and professionals who want to stay in the area but need the house to do more and this conversion is one of the better answers to that. It makes full use of the roof space that's already sitting above the extension rather than leaving half of it wasted. Best for: Swiss Cottage homes with a rear extension, families needing multiple rooms upstairs, and anyone who wants to maximise their loft space in one well-planned project rather than coming back to it later.
Swiss Cottage is an area where properties are taken seriously, and a mansard conversion matches that. It's the most substantial change you can make to a roof, the entire rear slope is rebuilt at a steep angle with a flat section on top, and what you get in return is a space that feels nothing like a typical loft. Full ceiling height throughout, proper walls, real rooms. It's closer to gaining an extra floor than simply converting what was already there. It's not a small undertaking. Planning permission is usually required, and the build takes longer than other conversion types. But for homeowners in Swiss Cottage who want to do this once and do it properly, the results speak for themselves. The usable floor area is greater than anything else on this list, and the effect on property value in an area like Swiss Cottage can be considerable. If you want the best possible outcome and you're willing to go through the process to get there, a mansard is hard to look past. Best for: Larger and higher-value properties in Swiss Cottage, homeowners who want the maximum usable space, and anyone prepared to go through the planning process in return for a conversion that genuinely transforms the property.
Bungalows in Swiss Cottage tend to be well-built and well-located, but they share the same limitation as bungalows everywhere, everything is on one level, and when the space runs out there's not an obvious place to find more. A loft conversion changes that. A proper upper level gets added, bedrooms, a bathroom, whatever the household needs and the ground floor carries on exactly as it was. Nothing downstairs gets disrupted, reduced or reconfigured. What surprises a lot of bungalow owners in Swiss Cottage is how much space is actually up there once someone takes a proper look. The roof typically runs the full width of the building, which means there's often more to work with than it appears from street level. A well-thought-out bungalow loft conversion can add one or two genuinely comfortable rooms and completely change the feel of the property — from a home that had reached its limits to one that has room to breathe again. Best for: Single-storey homes in Swiss Cottage where the ground floor is already fully used, homeowners who want more space without the stress of moving, and anyone looking to add lasting value to a well-located property.
Do you have a question about Loft Conversions? We're here to help. Contact our team at Loft Converter London
The minimum height required for a Loft Conversion is 2.2m (from the floor to the highest point in your loft). If you do not have the required height, your ceilings can be lowered on your first floor.
This depends on the size and type of Loft, most loft conversions take around 10-12 weeks. We can give you a more accurate estimation when we see your property.
Loft Conversion cost is determined by the size and type of the project, the features you would like, etc. Our architect will help you achieve the best use of your space within your budget. Most Lofts cost between £30,000 and £70,000.
No - it's safe to carry on living in your house. Our team starts from the scaffolding before the stairs go in. We always try to limit the disruption during the construction process.
Loft Conversions usually fall under the permitted development category therefore planning permission is not normally required. There are some exceptions like conservation areas, flats, or listed buildings. Our in-house surveyors can advise further on planning permission..
A party wall agreement is also known as PWA is required if you own semi-detached or terraced property. In simple words, if you are working within or near your neighbor’s boundary then you will need a party wall agreement in place. Click here for more info.
Yes - it will add from 15% to 25% upwards depending on the size, design, and type of Loft. Read more about adding value here.
Yes, all Loft conversions require building regulation approval from the local authority. These regulations are important to ensure the safety measures are in place and they set a protocol of construction and design to follow.
Absolutely yes, we will work with you to achieve your dream new living space.