27.3 road miles north-west of Bournemouth
skylights & rooflights in fontmell magna
Fontmell Magna has its own conservation area, and its boundary climbs the chalk escarpment east of the A350 into the Cranborne Chase National Landscape. We check the address, then we measure the roof, and the sheet records which of those designations the address falls in.
village roofs under the downs
- Older village cottagesLow eaves, deep walls and hand-cut roof timbers.
- Farmhouses and barn conversionsBig roof planes, wide spans, and a rafter pattern all their own.
- Post-war bungalowsSimple pitched roofs with a loft over every room.
- Extensions and outbuildingsGarden rooms and rear additions with flat or low-pitch roofs.
two boundaries to look up for a Fontmell address
- planning authority
- Dorset Council
- designations
- conservation area and National Landscape: check the address
- road miles
- 27.3
since 1977
a small village with big planning questions
Dorset Council is the planning authority here, having taken over from North Dorset District Council. The village sits on the Cranborne Chase side of the Blackmore Vale, and a rooflight on a Fontmell cottage starts with a map before it starts with a ladder.
Four lookups before a window goes into a Fontmell roof
Dorset Council publishes the Fontmell Magna conservation area appraisal, and the boundary is wider than the village street.
Fontmell Magna was entered as a conservation area in 1977, and the appraisal adopted for it in 2018 describes a boundary that reaches east beyond the A350 and onto the chalk escarpment. That upland falls within the Cranborne Chase National Landscape, the name now used for what was an Area of Outstanding Natural Beauty. So a single Fontmell address can sit in the conservation area, in the National Landscape, in both, or in neither.
Most owners find that the conservation area appraisal is a good read in its own right. It describes the building materials of the village, the way the older houses face the street and the lanes, and which views the council wants kept. Reading it before you choose a window position tells you what a planning officer will see from the lane, and which slopes are hidden from it. A rear slope that no lane overlooks is a different proposition from a front slope facing the street, and the survey records which is which.
None of that bans a rooflight, and none of it grants one. Protected land is the reason to look further, because the things that do restrict a rooflight, a direction removing permitted development, a condition on the original permission or a listing, are recorded against individual houses. We work through the checks in sequence, and they are just as useful if you would rather look for yourself before a visit.
Householder rules themselves are covered in the planning guide, so they are left out here.
Looking up a Fontmell Magna address
- Find the house on the conservation area mapDorset Council hosts the Fontmell Magna conservation area appraisal and its boundary plan. Match the full address to the plan; the line runs through gardens and fields as well as along roads.
- Check the National Landscape boundaryThe Cranborne Chase National Landscape publishes its boundary online. The village core and the downland above it do not necessarily fall on the same side of the line.
- Look for a listingSearch Historic England's online list by place. A listed cottage or farmhouse is listed as a whole, roof included.
- Read the planning historyDorset Council's planning register shows earlier applications at your address. A decision notice for an extension or conversion may carry a condition that reaches rooflights.
- Hand the result to us at the surveyOur own check runs through those records ahead of any quote, and the findings go onto your survey sheet. Should an application be needed, it goes to Dorset Council.
Hand-cut timbers, wall plates and the language of an old roof
Words that turn up on the survey sheet for a Fontmell cottage.
A village cottage in this part of Dorset may have been built, altered and extended over several centuries, and the roof usually shows it. Rafter sections can change between one bay and its neighbour. A purlin may have been added later to carry a heavier covering. The walls below can be thick, with a wall plate that has moved a little over time. Where a roof is thatched, the covering is a specialist trade, and we would raise it with the owner and the thatcher before anything is planned. Thatch is thick and has its own demands, so it is never treated as one more tile.
None of this is a problem for a window, as long as it is measured and not assumed. A modern rafter pattern lets us read a size off a table. An older one has to be read timber by timber, from inside the roof space, and the window chosen to suit what is there. We write each reading on the survey sheet in plain terms, and these are the words you will meet on it.
Insulation sits in the same conversation, and the glazing is part of it. A roof window fitted in an existing house must meet the energy standard in Part L: the maker's datasheet shows whether a given model reaches it, and we check that before ordering. A cold, damp-prone bedroom in a cottage is often a room where the choice of glazing is worth the extra thought, because it sits below a single skin of tile and battens with little between the occupant and the weather.
Rooms under these roofs tend to be small and low, and the ceilings follow the slope, with a dormer or a gable window as the only daylight. A roof window in the slope above a bedroom or landing adds light in the part of the room where the ceiling is highest, and a model that opens helps air move through the room.
Words from a Fontmell cottage survey
- Wall plate
- A timber bedded along the head of the wall, carrying the foot of every rafter.
- Purlin
- A horizontal timber running along the roof slope that gives the rafters support part-way up.
- Trimmer
- A short cross-timber that takes the load of any rafter cut for a new opening.
- Batten
- The thin strips nailed across the rafters that the tiles or slates hang from.
- Upstand
- The raised lip around a flat rooflight opening, called a kerb on site, that lifts the frame clear of the roof surface.
- Pitch
- How steeply the roof rises, read with an inclinometer held on a rafter.
Lanes, long drives and getting a window to a farmhouse roof
Delivery and access shape a village job as much as the window does.
Fontmell Magna lies on the A350, with side lanes running off towards the downs and several properties set back along tracks or shared drives. Our van and the window will arrive by the same road as everything else, so the survey includes the approach: width, gates, where the glass can be set down and where a tower can stand. A large farmhouse roof may call for a longer ladder run or a scaffold than a bungalow does. Livestock, dogs and horses are worth mentioning when you book, because gates left open on a working farm can turn a quiet morning into a long one.
Barn conversions and farm buildings bring their own pattern. The spans are wide, the roof planes are long and the rafters are often larger in section than a house would have. Two roof windows set beside each other, spaced to the rafter pattern, or a rooflight in an outbuilding, can light a workshop or a studio without touching the character of the building. Where a barn is listed, or sits in the conservation area, the application is part of the project, and the choice of a low-profile conservation rooflight can matter to how it is received.
Lighting a room in a village is mostly a matter of reaching the right slope. A kitchen extension at the back of a cottage, a boot room built onto a farmhouse or a garden office at the foot of a plot all have low-pitch or flat roofs, and a flat roof rooflight over them gives overhead light where no wall window can. Upstand height, fall and the existing covering are each recorded on the survey sheet.
Price factors on a village roof
- Approach and parkingA shared drive or a gated farm track changes where the tower stands and how glass is carried.
- Size of the roofA long farmhouse slope takes more time to work across than a bungalow front.
- Timber conditionHand-cut rafters may need a trimmer fitted to a different pattern from standard timbers.
- Permissions paperworkA listed building or protected landscape can add application time before any work is booked.
- Inside finishSplayed reveals and plaster in a low-ceilinged room are a separate stage after the window is in.
The cottage upstairs and the bungalow loft
Two roofs of the same village, and two different answers.
Away from the old core, Fontmell has post-war and later homes whose roofs are very different. A bungalow has a simple pitched roof, regular rafters and a loft with enough depth for a sun tunnel, or for a roof window over a dark corridor. An older cottage may offer only a single slope that faces the garden, and the survey establishes whether that slope is the one to use. Sometimes the answer is a smaller window than the owner first imagined, placed higher on the slope where the ceiling gives it room to breathe.
Cottage roofs and bungalow roofs are both common here, both suit a rooflight, and they ask for different things at the survey. On the cottage, the question is which slope can take a window without upsetting the look of the front. On the bungalow, the question is how deep the loft is and where the beams run.
Timing matters in a village. Planning checks and any application take as long as the council takes, so the sensible order is to look up the address first, have the survey, and book the work once any permission has come back. The survey sheet gives you the measurements and the paperwork status in one place. A homeowner with a barn, a granary or a stable block can also use it to compare quotes line by line, since each one starts from the same readings.
Our Iwerne Minster and Child Okeford pages describe the neighbouring villages, which share the Vale and often the same planning authority.
Older cottage roof
- Irregular rafters measured one at a time
- Low eaves, so a window may sit close to the wall
- Conservation area and listing checked first
- Frame and glazing bars chosen to suit the tiles
Post-war bungalow roof
- Regular rafters on even centres
- A loft that is easy to reach and measure
- Roof window or sun tunnel over hall or bathroom
- Fewer constraints, so a shorter route to a quote
faq
what Fontmell homeowners want to know
Is my Fontmell Magna cottage in the conservation area or the National Landscape?
Both boundaries are published online. Search the full address on each, because the lines run through gardens and fields. We read the same maps at the survey and set the result out in writing.
My roof is thatched. Can a roof window go in?
That is a specialist job for the thatcher as well as for us. We would talk to the owner first about the covering and the timbers underneath, and listing and planning would be checked before anything is designed.
Can you reach a farmhouse down a long private drive?
Yes. The survey notes the width of the drive, any gates and the place to stand a tower, so the installation day is planned around the approach.
Will a rooflight in a barn conversion need approval?
Probably some form of it. A barn that has been converted often carries conditions from the conversion permission, and a listed barn needs consent of its own. We read the planning history to see which apply.