Do you need building regs for an attic conversion?

Asked By: Moha Feli | Last Updated: 9th January, 2020
Category: home and garden home improvement
4.3/5 (46 Views . 41 Votes)
Building regulations approval is required to convert a loft or attic into a liveable space. This section provides guidance for making alterations to the loft space of an existing house which is no more than two storeys high.

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Also to know is, do you need planning permission for attic conversion?

Planning permission is not normally required. A loft conversion for your house is considered to be permitted development, not requiring an application for planning permission, subject to the following limits and conditions: A volume allowance of 40 cubic metres additional roof space for terraced houses*

Also Know, can I convert my attic into living space? When converting an attic to a living space, it must meet the same building requirements as the other rooms in your home. To meet most building codes your attic should: Have at least 7 feet of vertical clearance in the majority of the room, be a minimum of 7 feet wide and have at least 70 square feet of space available.

Thereof, what are the regulations for loft conversions?

That said, a loft conversion falls under permitted development and does not require planning permission as long as it meets the following conditions: The new loft space won't be larger than 40 cubic metres for terraced houses and 50 cubic metres for detached and semi-detached houses.

Do you need planning permission to put in a staircase?

Nearly all internal works such as loft conversions, garage conversions, new staircases, bathrooms, kitchens, or rewiring, do not require planning permission. But, do check if you want to do anything to a listed property or you live within a Conservation area.

39 Related Question Answers Found

Do you need an architect for a loft conversion?

Architectural drawings aren't a requirement for all loft conversions, but for some they will be essential. If you are undertaking these types of loft conversions We recommend getting an architect on board.

Can you do a loft conversion yourself?

The minimum height you need for a loft conversion is 2.2m, and you can easily measure this yourself. Take a tape measure and run it from the floor to the ceiling at the tallest part of the room. If it's 2.2m or more, your loft should be tall enough to convert.

Can I convert my loft without building regulations?

However, the seller and their estate agent cannot market the loft conversion as a bedroom if it does not have a building regulations completion certificate. Buying a house with an unauthorised loft conversion can prove a serious issue for someone buying with a mortgage.

Does the council help with loft conversion?

Local Authority Help
While they won't pay for your loft conversion it is worth asking them about any special deals they have for loft insulation, you may be surprised at how helpful they will be. Your local council may also be able to offer you what is known as home improvement grants.

What size joists do I need for a loft conversion?


Good rule of thumb for a floor is half the span 2.8m coverts to just over 9 feet, half of 9 is four and a half, make that inches and add 2". So six and a half x 2" joists is likely what you need.

Can a loft conversion be classed as a bedroom?

But when it comes to being a bedroom, a converted loft room cannot be called a bedroom merely because it offers enough space to fit a bed in, or because one has been put in there: a loft needs to be converted for the purposes of being a sleeping area, and in accordance with building regulations, in order to be called a

Do I need steel beams for loft conversion?

Because most internal walls are not strong enough to bear the load of a new living space, structural beams are usually necessary. An experienced loft conversion specialist will be able to advise you on the best option for your home. Commonly, steel beams are the structural support of choice.

Can my attic support a floor?

Floor Framing
As long as they are not damaged, the joists should be strong enough to allow you to move around in the attic for an inspection and to provide storage for typical boxed items. But they may not be adequate to support the weight of multiple people, furniture, and heavy stored items.

HOW LONG DOES A loft conversion take?

Velux loft conversions are one of the simplest conversion types and may be completed in less than 4 weeks. A dormer conversion may take a minimum of 4 weeks but not usually more than 6 weeks, depending on the overall size and roof work requirements.

Do you need fire doors for loft conversion?


Yes, fire doors are essential in loft conversions. Building Regulations provide that when converting an existing roof space into a room, or rooms, the provisions for escape need to be considered. Any doors to an escape route will also need to be changed to fire doors to help prevent fire spreading.

Are loft conversions worth it?

Recent research carried out by the Nationwide Building Society has shown that by converting a loft space, your house value can increase by as much as 20%. A loft conversion is appealing as it makes use of 'dead' space to create an extra room, rather than eating into an outside area in the way of typical extensions.

How much does it cost to convert a loft into a bedroom?

The cost of a standard loft conversion starts at $1,000 and will vary depending upon the room design. Turning a loft into a bedroom can have varying degrees of complexity depending on your home design and your vision for your new room.

What's the difference between an attic and a loft?

In this sense it is roughly synonymous with attic, the major difference being that an attic typically constitutes an entire floor of the building, while a loft covers only a few rooms, leaving one or more sides open to the lower floor.

How much does it cost to convert attic into a room?

The average attic renovation cost is $40,000-50,000 to convert it into a living space, such as a bedroom, office, or a bathroom. While finishing an attic is one of the more expensive home improvement projects, it also boasts one of the highest ROI's.

What can I do with my loft space?


Ideas for a Loft Space
  • Create a cozy SITTING AREA.
  • A loft is perfect for a home LIBRARY.
  • A HOME OFFICE is an great way to utilize loft space, if your home is quiet and you don't require a closed room.
  • Turn your loft into a KID'S STUDY AREA.

Can you lay insulation over electrical wires in attic?

If there is not anyinsulation in your attic, fit the insulation between the joists. Don't compress the insulation to fit behind pipes or wires. Instead cut to the middle of the batt's thickness so you have a flap under the wire and one over the wire.

Is it safe to store stuff in the attic?

Storing items in your attic is far more preferable than storing them in the basement where they may get wet (think about flooding) or garage where they are exposed to the elements. Use the attic to store anything that is impervious to heat. Heat can damage things such as photographs and wood.