Loft Conversion


A loft conversion is often cited in surveys as the best way to add value to your home. Recent research carried out by the Nationwide Building Society has stated that a loft conversion could add up to 20% to the value of your home

A loft conversion typically costs between £21,000 – £44,000. You could pay up to £63,000 if you want a particularly large extension.

Most of the time, neighbours cannot stop the loft conversion from going ahead but they can certainly cause delays and stress in the process, do everything you can to keep them on your side and you’ll save yourself a headache.

Typically, a rear dormer loft conversion on a terraced property will take four and a half weeks to complete and a gable-end and rear dormer conversion on a semi-detached property will take five and a half weeks to complete.

Structural integrity is key in any loft conversion, of course. … Steel beams are the most commonly used within loft conversions, particularly as they offer more flexibility in terms of structure. Timber joists can be fitted to steel beams, and they are also able to span longer distances than timber beams.

Converting your loft is one of the easiest and cheapest ways to boost the square footage of your home

We have extensive knowledge and experience dealing with loft conversions, so you can be sure that our team can successful help you and provide you with professional advice. As space around London is at a premium, it’s not always possible to create a single storey or double storey extension. Often a loft conversion is the best way to maximise your property’s space and value.

Types of Loft Conversion

There are several different types of loft conversion — we explain them here.

Rooflight Loft Conversion

The cheapest and simplest way to convert a loft. The existing lost space is kept as it is and rooflights are added.

In addition, the existing  floor will need to be reinforced and, of course, stairs added. Electrics and plumbing, along with insulation will be needed if the space is to be classed as useable.

This type of loft conversion is ideal for smaller spaces, perhaps where one extra bedroom or an office is required.

Dormer Loft Conversion

This is as the above, but with the addition of dormer windows. This will increase the usable floorspace and can be used to add head height which gives you more options when it comes to placement of the stairs.

Dormer loft conversions are good where the pitch angle is high, as the useful floor area can be increased.

Hip-to-Gable Loft Conversion

In a hip to gable loft conversion, the hipped, slanted section of the roof is converted to become a vertical wall (gable end). This is then given a standard pitched roof that creates a space internally with full headroom. The vertical wall also allows for standard window openings.

For maximum space, consider combining a hip to gable loft conversion with a dormer conversion.

Mansard Loft Conversion

A mansard loft conversion can pretty much add a whole additional storey to your home. It involves changing a sloping roof structure resulting in a wall that is almost vertical — typically 72 degrees. The final roof is flat. The majority of mansard loft conversions run from one gable wall to another.

If you would like to find out more about a loft conversion London or request a free quote from us, don’t hesitate to get in touch with our team, today.

Frequently Asked Questions about Loft Conversion

Different types of loft conversion carry with them different costs:

Rooflight loft conversion: £35,000 – £40,000 fully fitted out

Dormer loft conversion: From £40,000 – £45,000

Hip-to-gable loft conversion: From £35,000 but up to £70,000

Mansard roof extension: From £45,000 but easily upwards of £80,000

Modular loft conversion: From approx. £90,000

Assessing your loft space’s suitability for conversion involves considering numerous factors, including:

-available head height

-roof pitch

-roof structure

-obstacles such as water tanks or chimney stacks

You can either fund your home improvement project:

-With cash, by increasing your mortgage to release funds, or by taking out a home improvement loan or credit card

-Using your mortgage for home improvements will usually offer the cheapest rates, but use this opportunity to shop around for the best deal — switching mortgages can save you money and help reduce the impact of a bigger mortgage.

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