Building Regulations and Permits: Roofing Requirements in Scotland

Two Separate Systems, One Council

Most confusion about roofing rules comes from mixing up two different things. In Scotland they are handled by two different departments of your local council, and you may need one, both or neither.

• A building warrant is about how the work is built. It is permission from the council's building standards team, given before work starts, confirming that the design meets the Scottish building regulations for things like structure, fire, insulation and ventilation. English and American websites call this "building regulations approval" or a "permit".
• Planning permission is about how the work looks and its effect on neighbours and the street. It is handled by the planning department.

On top of these, a listed building has its own separate consent, covered further down.

This guide gives the general position so you know what to ask. It is not legal advice, rules change and councils differ, so always confirm with your own council before work starts.

When A Roof Needs A Building Warrant

The Scottish system lists certain kinds of minor work that can go ahead without a warrant. Repairs, and replacing a roof covering with the same or a closely similar material, generally fall into that group for a house.

The catch is that work done without a warrant must still meet the building regulations. The membrane, ventilation, fixings and any new insulation all have to be up to standard.

A warrant is commonly needed when the job goes beyond a straight replacement, for example:

• Altering the roof structure: removing or cutting rafters, trusses or ties, or raising the roof.
• Adding a dormer, or converting the loft into a room.
• Changing to a much heavier covering, such as slate to concrete tile, where the timbers may need to be checked and strengthened.
• Fitting a solid, insulated roof to a conservatory so that it becomes more like a normal room. We cover this on our conservatory roofs page.

Where a warrant is needed, the application normally includes drawings, there is a fee based on the value of the work, and work should not start until the warrant is granted. When the job is finished, a completion certificate is submitted to the council and has to be accepted. Keep that paperwork safe. A buyer's solicitor will ask for it when you sell.

Common Roofing Jobs At A Glance

This table shows the usual position for a house that is not listed and not in a conservation area. Treat it as a starting point for a conversation with your council, not a ruling.

Job	Building warrant	Planning permission
Replacing slipped slates, ridge tiles or flashings	Not usually	Not usually
Re-roofing in the same material	Not usually, but the work must meet the regulations	Not usually
Re-roofing in a different material	Possibly, if the new covering is much heavier	Possibly, as the appearance changes
Replacing a flat roof covering	Not usually	Not usually
New rooflight	Often, if roof timbers are cut	Depends on which side of the house it faces and its size
New dormer or loft conversion	Yes	Often
Solid roof on a conservatory	Normally	Rarely for a like-for-like shape

If you live in a flat, a conservation area or a listed building, read the next three sections, because several of those "not usually" answers change.

When A Roof Needs Planning Permission

Houses in Scotland have what are called permitted development rights. These let you carry out many smaller changes without applying for planning permission, as long as you stay within set limits on size and position. A repair or a like-for-like re-roof on a house normally sits comfortably inside them.

Planning permission is more likely to be needed when:

• The roof will look materially different, for example a change of covering, colour or shape.
• You are adding dormers or large rooflights, particularly on the side facing the road.
• The property is a flat. Flats, including tenement flats, have far fewer permitted development rights than houses.
• The property is in a conservation area or is a listed building.

If you are unsure, ask the planning department. For extra certainty you can apply for a certificate of lawfulness, the council's formal confirmation that the work does not need planning permission.

Conservation Areas

A conservation area is a district the council has marked out for its special character. Scotland has hundreds of them, from Edinburgh's New Town and Glasgow's West End to small town centres and villages. Your council's website will have maps.

In a conservation area the normal freedoms are cut back, and changes to a roof that can be seen from the street commonly need planning permission. In practice councils usually expect:

• Natural slate to be replaced with natural slate, matched as closely as possible for size, colour and texture, often re-using sound original slates.
• Traditional details to be kept: lead flashings, clay ridge tiles, cast iron gutters or a close match, and chimneys.
• Rooflights to be the low-profile conservation type and placed on the less visible slopes.

This is one reason natural slate roofing remains so common on older Scottish streets. If your home is in a conservation area, speak to the planning department before you choose a material. We fit roofs in Glasgow, Edinburgh and across Scotland, and we choose the slate with the council's requirements in mind.

Listed Buildings

A listed building is one recognised for its special architectural or historic interest. In Scotland the list is kept by Historic Environment Scotland and buildings are graded in categories A, B and C.

Work that affects the character of a listed building needs listed building consent from the council. That is in addition to any building warrant or planning permission. For a roof, character includes the slates, the leadwork, the chimneys, the ridges and the gutters, so even a re-roof that feels like a simple replacement should be discussed with the council first.

Genuine like-for-like repairs with matching materials are often acceptable without consent, but the line between a repair and an alteration is for the council to draw, not the homeowner or the roofer. Carrying out unauthorised work on a listed building is treated very seriously, so get the answer before work begins, and keep a note of it.

Tenements And Shared Roofs

A large share of Scottish homes are flats under a shared roof, and that adds a third question: who has the right to decide?

The roof of a tenement is normally a shared responsibility of all the owners in the building, not only the top-floor flat. Your title deeds set out how decisions are made and how costs are split. Where the deeds are silent or unclear, Scottish tenement law provides a fallback scheme under which owners can generally agree maintenance by majority.

In practice this means:

• Talk to your factor, if the building has one, or to your neighbours, before asking for quotes.
• Get agreement on the work and the split of costs settled and recorded before anything starts.
• Remember that flats have fewer permitted development rights, so planning permission is more likely to come into play.

Urgent roof repairs to stop water getting in are a different matter from a planned re-roof, but tell the other owners straight away. If there is a dispute, a solicitor can advise on what your deeds allow.

Other Rules People Forget

• Scaffolding and skips. If either sits on a public pavement or road, a permit from the council's roads department is normally required. Your roofing company usually arranges this.
• Insulation. When a roof is substantially renewed, building standards expect the insulation to be improved where it reasonably can be. It is also the cheapest moment to do it.
• Bats and nesting birds. Both are protected by law, and older roofs sometimes house them. If there are signs of either, work may need to be timed around them and specialist advice taken.
• Flat roofs. Replacing the covering on a flat roof is normally straightforward. Changing its height, adding a roof terrace or fitting large rooflights brings the rules above back in.

How We Help

You do not need to become an expert in any of this. At the free survey we look at the roof, ask whether the property is listed, in a conservation area or part of a shared building, and tell you whether your job is the kind that is likely to need permission. If it is, we point you to the right council department and help with the enquiry.

For guide prices, most full re-roofs on our new roofs page land between £7,500 and £18,000 fitted, including scaffolding, with natural slate from £12,000 and flat roofs from £3,000. A new roof takes up to 14 working days on site, weather allowing, and any permission needs to be in place before then, so raise the question early. Finance is available from £22 a week, subject to status, and the details are on our finance page.

The work is carried out by trusted roofers and all workmanship is guaranteed.

Quick Answers

Do I need a building warrant to replace my roof in Scotland?

Usually not for a like-for-like replacement on a house, but the work must still meet building regulations. Structural changes, dormers and much heavier coverings commonly do need one. Confirm with your council's building standards team.

Do I need planning permission for a new roof?

Not normally for a like-for-like re-roof on a house. It is more likely if the appearance changes, or if the property is a flat, in a conservation area or listed.

Can I change from slate to tiles?

Sometimes. The roof timbers may need checking for the extra weight, and the change in appearance may need planning permission. In a conservation area it is unlikely to be accepted.

What is the difference between a building warrant and planning permission?

A building warrant covers how the work is built and whether it is safe and energy efficient. Planning permission covers how it looks and how it affects the surroundings.

How do I find out if my home is listed or in a conservation area?

Search Historic Environment Scotland's online list for listed buildings, and check the conservation area maps on your council's website.

Who applies for permission, me or the roofer?

The owner is responsible for making sure permission is in place, though an architect, a technician or your roofing company can help prepare and submit an application.