Loft conversion is one of the best investments you can make in your property, but choosing the correct conversion for your needs can be overwhelming. If you are looking to maximize your living space while significantly enhancing your property’s value, a mansard roof loft conversion might be the answer. Here at Home Energy Guide, we have helped thousands of homeowners make an informed choice about their properties, while offering help in navigating government grants to help homeowners fund their new heating system upgrades.
What Is a Mansard Loft Conversion?
A mansard loft conversion is an innovative house renovation that essentially reconfigures your roof structure to offer more living space. Named after the 17th-century French architect François Mansart, the conversion involves remodelling the sloping roof to offer a nearly vertical wall, typically at 72 degrees, along with a flat top roof placed on top.
In contrast to other loft conversions that operate within the constraints of an existing roof, a mansard conversion practically rebuilds your roof in order to achieve maximum internal space. The steep, virtually vertical rear wall creates much more headroom and floor space than a standard conversion, effectively adding what amounts to a whole new storey to your property.
The building process involves demolishing your current roof structure and installing new support beams or walls. This wholesale transformation generates vast amounts of additional living space with acceptable room-shaped proportions, ideal for large bedrooms, home offices, or even standalone apartments.
Because of the drastic alterations in your roof’s exterior look, mansard conversions would typically always necessitate planning permission. But by starting with the necessary commitment to suitable planning, you ensure that you maximize the best amount of space and value from your conversion.
Mansard vs. Dormer Loft Conversion: Which is Right For You?
Selecting between a mansard and dormer conversion relies upon your individual needs, funds, and style of property. Knowing the main differences will help you to make the right choice for your property.
1. Space
Mansard conversions provide much more usable space than dormer options. The near-vertical 72-degree wall enables full-height ceilings throughout much of the conversion, giving you decent room proportions rather than awkward sloping areas. A mansard is typically capable of accommodating two or more rooms, like as a master bedroom with en-suite, or allowing for big open-plan spaces.
Dormer conversions, being useful at gaining space, makes work off your own roof structure with box-type extensions. The solution offers greater headroom and floor area but produces smaller, more compartmentalized rooms than mansard constructions.
2. Planning and Permissions
Another of the significant differences is in planning requirements. Dormer extensions are often within permitted development rights, and therefore you do not always need planning permission if your design meets certain criteria. This will save cost and time in the approval process.
Mansard conversions will typically need to be fully planned out because of their radical transformation of your roof’s exterior look. Although this incurs more time and upfront expense, it allows you to make much more significant changes to your living area.
3. Costs
Dormer conversions are less expensive, with the cost starting at £40,000-£60,000 for an average conversion. The less complex build period typically only takes 4-8 weeks to complete, which has less of an impact on your lifestyle.
Mansard loft conversion costs are higher, with the cost starting from £45,000-£70,000 or more depending on size and complexity. The long building process usually takes 8-12 weeks, but the result offers so much more additional living space and property value.
Is a Mansard Loft Conversion Worth? Pros and Cons
Mansard loft conversions remain one of the best means of creating value and space in UK homes. Yet, as with any significant enhancement, they do have their pros and cons.
The most important benefit of mansard conversions is that it provides the biggest expansion of living space of any loft conversion option. The nearly vertical walls and horizontal roof layout allow maximum headroom across the entire space, allowing you to plan the rooms as normal spaces of your home. Mansard conversions also add a lot of value to your property. A properly constructed mansard extension will increase the value of your property by as much as 25%, especially in prime locations such as London. In a seller’s market, the extra bedroom, bathroom, or lounge area can be the deciding factor in the appeal of your property to buyers.
Another important advantage is the increase in natural light you get! Mansard conversions provide bigger window sizes in comparison to other conversions. The large window sizes and well-thought-out positions give light, airy rooms that make living areas comfortable.
The Mansard conversion also provides much more flexibility in designing the rooms. If you are looking to have a luxurious master bedroom, several bedrooms, big home office, or just an open-space, then mansard conversion is right for you as the big area can be designed in multiple ways and for different purposes.
The last important advantage of mansard conversions is the big energy improvements. New mansard conversions involve low-energy windows and high-spec insulation, which can make your property more energy efficient. This can result in cheaper heating bills and a better Energy Performance Certificate (EPC) rating.
Important Factors to Consider
Mansard conversions are an expensive proposition, with outlays between £45,000-£100,000+ depending on size, location, and details. London located houses will need over £100,000 on the larger or more intricate undertakings. It is also important to keep in mind that nearly any mansard conversion needs planning permission since they make such a dramatic change to your roof structure. This extends your project timescale and extra cost and issues.
Another consideration is that mansard conversions may involve extensive structural engineering work, such as additional supporting walls, beams, and foundation issues. This can lead to unexpected problems and added expenses during construction.
Innovative Room Ideas for Your Mansard Loft: From Bedrooms to Home Offices
The spacious space created by mansard conversions has plenty of opportunities for room planning and function. Below are some inspirational suggestions to get the best out of your new loft space.
1. Luxury Bedroom
Convert your mansard loft space into an undisturbed retreat with a huge master bedroom and bathroom. The full-height ceilings and generous floor area provide room for king-size beds, walk-in wardrobes, and sitting rooms. The horizontal roof space is an ideal place to fit skylights, allowing the room to bath in natural light and providing privacy. Storage systems can be fitted without leaving the room cluttered and untidy.
2. Home Office
A mansard loft conversion makes for a perfect office space. The privacy of the main house means the room will provide for quiet study space, and the high ceilings create generous space for appropriate office equipment and furniture.
Include fitted storage units and desks to ensure that any sloping roof area is used to its full potential. High amounts of daylight provided by dormer windows give an uplifting atmosphere to work in, and proper insulation allows for comfortable temperatures year-round.
3. Multi-Purpose Space
Mansard conversions also excel in assembling flexible family spaces that can be reconfigured to suit evolving requirements. An open-plan space can make good for a children’s play area, home study, and informal seating. The expansive floor area provides room for much activity without sacrificing the feeling of expansiveness. Include flexible storage units and mobile furniture to allow the space to adapt with your different demands. Invest in a mini kitchen space for snacks and drinks, and make the whole family area totally self-sustaining.
4. Guest Room
Design guest rooms that can be compared to hotel standards. A mansard loft can be fitted with a great double bedroom with full en-suite facilities, giving the guest their own space and comfort. Can be rented out as an Airbnb or as an accommodation.
5. Hobby Room
More classic proposals are artistic endeavours, as natural light and open floor plan make mansard lofts ideal for it. Artist, craftsman, or hobbyist, the room can hold a lot of project and equipment storage. Add professional ventilation for fume-producing or dust-producing projects.
6. Entertainment Room
Convert your loft into a dream living area with a private media room or home cinema. Soundproof advantages as a result of isolation from the rest of the house provide an excellent setup to view films, game, or listen to music without intruding on other members of the household.
Home Energy Guide for ECO4 Improvements
At Home Energy Guide, we know that home remodelling is about more than just adding more space, it’s about making our homes more comfortable and more energy-efficient. As you’re thinking about your double mansard loft conversion,you can also explore the great opportunity found in government grants, and how they can aid in your ability to make your home more energy efficient, helping you save on bills and live in a healthier environment.
Our services go well beyond loft conversion to the full package of energy efficiency upgrades. We can assist you in securing funding through the ECO4 scheme for:
The latest heating systems. Upgrade old boilers with high-efficiency condensing boilers or renewable options like heat pumps.
Better insulation: Improve underfloor, cavity wall, and loft insulation to retain as much energy as you can in your home, helping save hundreds annually on your energy bills.
Smart heating controls: Fit programmable thermostats and smart heating systems to achieve maximum efficiency.
Get solar panels and other renewable energy schemes grants.
Is a member of your household on benefits? Fill in our eligibility form and check if you qualify for government funding under the ECO4 scheme.
