Guide
Conservation rooflights in conservation areas: what the label changes
Living in a conservation area sounds like a bar on any new rooflight. In planning terms it is not. This guide separates what the designation does from what the type of home, a direction or a listing does.
What a conservation area designation does to a roof
A conservation area marks a place whose character the council wants kept. On its own it does not take permitted development away from a rooflight on a house.
A council draws a conservation area round a stretch of streets, a former village centre or a group of terraces because the buildings and spaces together are worth keeping. The line on the map is a designation of the place. It is not a ban on alterations, and it does not turn each house inside it into a special case for rooflights.
Where the planning rule sits
For a house in England, a rooflight falls under Class C of Part 1 of Schedule 2 to the General Permitted Development Order 2015. It is permitted if it projects no more than 150mm beyond the plane of the roof slope and sits no higher than the highest part of the roof. The designation by itself leaves that permission in place for a rooflight on a house. The designation matters for other kinds of work, such as taking down a wall or felling a tree, which is partly why the label gets blurred into every question.
Why the myth sticks
Neighbours who were refused a dormer, or who were told to use a particular window, pass the story on as "you can't do anything in a conservation area". The details of what they applied for are lost on the way. A dormer is a different class of work with different limits. A rooflight that lies flush with the slope is a small change to the roof, and the order treats it as one.
Why it still helps to design as if the street were watching
The rule lets you fit the rooflight. It does not stop a poor choice looking poor from the pavement. The conservation rooflight, thin-framed and set level with the slates or tiles, is made for the period roof where a bulky unit would stand out. That is a design choice for the sake of the roof, and it is also the reason this style exists. The hub page on conservation rooflights in Newcastle upon Tyne sets out the product itself.
House or flat: the split that decides the route
A house keeps its householder rights inside a conservation area. A flat or maisonette has no such rights, so any new rooflight there needs the council to grant permission, in the area or out of it.
Before the street, look at the front door. Householder permitted development belongs to dwellinghouses. Flats and maisonettes do not get it, and that is true inside a conservation area and outside one.
The Tyneside flat
A Tyneside flat is a two-storey terrace home that is really two flats, an upstairs one and a downstairs one, each with its own front door. In planning law that makes both of them flats. Take the upstairs owner who wants light on the stair or in a loft room, and the downstairs owner with a gloomy kitchen at the back. Each has to ask the council for permission. Where a flat needs an application, the drawings should show how the rooflight sits in the slope.
Whose roof it is
Permission and ownership are separate matters. Each Tyneside flat has its own documents, and they decide who is responsible for the roof slope and whether the owner next door has a say in work on it. Read your title or lease, then have that conversation with them before you commit to anything. If the wording reads badly, a solicitor can interpret it.
A house that has been split up
A house converted into flats loses its householder rights once it is no longer a single dwelling. If you are not sure how your home is classed, say so at the survey and we will look at the layout and what the council holds on record.
Which house is yours?
Upstairs flat
- Who decides
- The upstairs flat owner, subject to the title or lease and any say the other owner has over the roof.
- Which rules apply
- No householder permitted development. A new rooflight needs planning permission, and new roof openings are notified to Building Control.
Downstairs flat
- Who decides
- The downstairs flat owner, for a rear offshoot roof they control, again subject to the title or lease.
- Which rules apply
- No householder permitted development. Planning permission is needed for a new rooflight, whether the roof is flat or pitched.
House
- Who decides
- The owner of the house, with the lender or freeholder involved only if the title says so.
- Which rules apply
- Class C applies unless an Article 4 direction or an earlier planning condition removes it. The 150mm projection limit holds.
Article 4 directions and old conditions: what can take the right away
An Article 4 direction made for your area, or a condition on an earlier planning permission, can remove Class C from a house. Check both before you assume the right is there.
The two things that can take Class C away from a house are more likely to turn up in a conservation area than in an ordinary street, which is another reason the label feels heavier than it is.
Article 4 directions
An Article 4 direction is made by a council to switch off particular permitted development rights in a defined place. It may cover a whole conservation area, a single street, or a few named properties, and it may name rooflights or roof alterations on the front slope specifically. Each direction has its own wording. Reading the wording is the only way to know what it covers, and we do not guess which areas have one. Ask the planning team at your council whether a direction covers the address.
Conditions on an earlier permission
A house that was extended or converted under a planning permission may carry a condition that takes away later alterations. The decision notice for that permission will say so. If you bought the house after the work was done, ask the seller's solicitor for the notice, or search the council's planning record under your address.
What to do with the answer
If neither applies, the house keeps Class C and a rooflight within the 150mm limit does not need an application. If either applies, the route is a planning application for the rooflight, with drawings. Our guide to rooflight planning permission walks through how the pieces fit together for each kind of home.
Look up these four things before drawing anything
- Is the property a single house, or a flat or maisonette?
- Does the council hold an Article 4 direction covering the address?
- Does the decision notice for any past extension carry a condition on roof alterations?
- Is the building listed, which is a separate consent?
- What do the title or lease say about the roof?
Front slope, rear slope and side slope
On a house the 150mm rule is the same on every slope, but a side-elevation slope also needs the whole window obscure-glazed and non-opening unless the opening parts sit high enough.
Which slope the rooflight goes in changes how it looks from the pavement, and on a side-elevation slope it changes the permitted development conditions too.
The slope facing the street
This is where the roof is seen. A flush rooflight with a slim, dark frame reads as part of the roof. Positioning counts as much as the unit: a rooflight placed to line up with the windows below or with the rafter spacing looks planned, while one that wanders off the line looks like an afterthought. Where a flat needs an application, the elevation drawing should show exact positions.
The rear slope
The back slope is out of sight from the street in most terraces, and it is the usual place for a loft-room rooflight. Overlooking from neighbouring windows is a design point for you and the household next door, not a rule in the order.
A side slope on a house
A side-elevation roof slope is the one that faces a side boundary or an open side. Under Class C a window there must be obscure-glazed over the whole of it. It must also be non-opening, unless the parts that open are more than 1.7 metres above the floor of the room. This affects pitched roofs on semis and end-of-terrace houses.
Number and spacing
Class C does not set a count of rooflights. It is the projection and height limits that bind. For the look of the slope, a pair of matching units set at equal spacing reads better than three of different sizes.
Making the application, and what follows it
A flat, a house under a direction, or a listed building needs an application or consent. We draw the rooflight and its position, you or your agent submit it, and Building Control follows once the opening is agreed.
When the rules point to an application, the practical question is what to put in front of the council. A rooflight is a small proposal, and a clear one is easier to read than a vague one.
What the drawings show
The council needs to see where the rooflight goes, how big it is, how it sits in the slope, and what the frame and glass look like. A scale elevation of the slope with the opening marked, a section showing the rooflight set level with the covering, and a short note of the frame finish are the core. At the free survey we take the measurements that make those drawings exact.
Who deals with the council
The application goes to whichever authority covers your address. The city has its own authority, Newcastle City Council, and the towns around it answer to theirs. You make the application, or an agent does it for you. We supply the product details and the drawings that describe the work we would carry out.
After the decision
Once a decision is made, the written quote is locked and ordering can start. Cutting a new opening in a roof is building work and is notified to Building Control, either the local authority or a registered building control approver. We handle that notification. The guarantee covers the workmanship for 10 years, in writing, and the guarantee page sets out what it says.
The quote form is the place to start if you want the survey booked.
Points that come up about period streets
Can I fit a rooflight in a terrace inside a conservation area?
If the terrace home is a single house, yes, within the 150mm projection limit and unless an Article 4 direction or a past condition removes Class C. If it is a Tyneside flat or another flat, a planning application is needed first.
How do I find out whether an Article 4 direction covers my road?
Ask the council that covers your address. Each local authority in the region keeps its own records. The wording of the direction decides, so ask for the document, not a summary of it.
Do I need a heritage statement for a rooflight?
Not for a house within Class C. Where an application is made, the council says what it wants to see with it. Drawings that show the rooflight set level with the slope are the main item for something this small.
Will my neighbours have to be told?
Planning applications are publicised by the council, and neighbours can comment. A house using permitted development makes no application. Where the roof is shared, as in many Tyneside flats, speak to the other owner before ordering whatever the planning route is.
Does the same rule apply in the rest of Tyneside and Wearside?
The permitted development rules are national for England, so a house in Gateshead, Sunderland or Durham follows the same Class C. What differs is which council you apply to and whether it holds a direction for your area.