The types of Loft Conversions that we work in -
Dollis Hill doesn't get talked about as much as some of its neighbours but anyone who lives here knows what it offers. Good housing stock, green spaces, reasonable transport links, and a genuine community feel. It's the kind of place people choose to stay in rather than leave. And when staying means needing more space, a dormer conversion is usually the first and most practical answer. We build a flat-roofed box extension out of the rear roof slope giving you full ceiling height, proper windows, and a room that functions like any other in the house. The semi-detached and terraced homes that make up most of Dollis Hill's residential streets are well suited to this approach, and the front of your property never changes. Best for: Semi-detached and terraced homes, families needing an extra bedroom or workspace, and Dollis Hill properties where the loft has the footprint but lacks the height.
Here's something worth checking before you assume your loft isn't worth converting look at the roofline from the street. If the sides of your roof slope inward rather than ending in a flat wall, you've got a hipped roof. And that shape is quietly limiting how much of the loft space above you is actually usable. A hip-to-gable conversion corrects it by replacing the sloping section with a vertical gable wall. The internal width opens up, the awkward triangular voids disappear, and the loft becomes something you can plan around. Combine it with a rear dormer and the transformation is significant a loft that feels less like a conversion and more like a room that was always meant to be there. Best suited for: Semi-detached and end-of-terrace homes in Dollis Hill where a hipped roof is reducing the usable width of the loft.
There's a tendency to assume that a loft conversion has to be a big, disruptive project. In some Dollis Hill homes, that's simply not the case. If the head height is already there, a Velux conversion is a clean and efficient way to unlock the space. We fit roof windows into the existing slope, strengthen the floor, improve the insulation, and get everything compliant with building regulations. The roof structure stays completely untouched. There's no structural work, no significant external change, and no lengthy build process eating into daily life. For properties in quieter residential parts of Dollis Hill where planning scrutiny is higher, this approach tends to be the most straightforward route to a finished, usable room. Best for: Dollis Hill homes with adequate existing loft height, homeowners working within a budget, and properties where minimal external disruption is a priority.
Many homes in Dollis Hill have grown incrementally over the years a rear extension added here, a kitchen pushed out there. It's a natural evolution of housing in this part of London. But what those extensions also do, less obviously, is create an opportunity in the loft that a standard dormer can't fully capture. An L-shaped conversion uses both roof sections a dormer on the main roof, a second one above the rear extension, connected together to form the L shape. The floor area this unlocks is considerably larger than a single dormer, and the layout it creates is flexible enough to divide into multiple rooms. Two bedrooms and a bathroom is achievable without any of the spaces feeling like they've been retrofitted into a corner. Best for: Dollis Hill homes with existing rear extensions, families who need more than one new room, and properties where the full potential of the roof hasn't yet been considered.
For some homeowners in Dollis Hill, the question isn't just how to add a room it's how to add as much as the property will realistically allow. A mansard conversion is the answer to that question. We rebuild the rear slope of the roof at a near-vertical angle with a flat section running across the top. Full ceiling height throughout. Maximum floor area. A finish that integrates naturally with the rest of the house rather than sitting on top of it like an afterthought. It's the most involved conversion we carry out, and planning permission from Brent Council is part of the process. But the result in terms of space, quality, and long-term property value reflects the ambition of the project. Best for: Larger homes, period properties, and Dollis Hill homeowners who want to go as far as the roof will allow without compromise.
Dollis Hill has a quieter, more residential character than some of the surrounding areas and that's reflected in its housing. Bungalows appear more often here than people expect, sitting on generous plots with roofs that span the full width of the property. That full-width roof is the key detail. It means a bungalow loft conversion in Dollis Hill can yield a surprising amount of usable floor area enough to add proper bedrooms and a bathroom upstairs while fundamentally freeing up the ground floor below. The home doesn't just get bigger. It gets more functional, more flexible, and considerably more valuable. For owners who've been quietly wondering whether their bungalow has more to give, the answer is almost always yes. Best for: Single-storey Dollis Hill homes where the ground floor is fully stretched, and owners looking to make a high-impact, lasting improvement to their property without the upheaval of moving.
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.
