New-build brick and rendered houses along a quiet estate road

Langwith

Skylights, sun tunnels and rooflights for Langwith's villages

28.6 road miles north-east of Derby, by the border and the Poulter.

Houses here sit in a chain of villages along the Poulter. Point to the dim basin, hall or landing, and the survey starts at that spot.

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Village rows and a 1950s estate, with windows a long way from the dark

Box room set up as a study with a desk and shelves — A box room set up as a study, with the desk and shelves in shade.

A hall stretching from front door to back, with its only window at the far end.

What fits the roofs of the Langwith villages

Bathrooms and halls under the loft take roof windows or VELUX windows, windowless corridors suit sun tunnels, and over a flat-roofed back kitchen goes a flat roof rooflight.

One of the villages grew up around a railway station, and in the 1950s a council estate was added beside it. That mix means two jobs come up again and again. One is a bathroom or hall under a pitched slope, with a roof window directly over the dark spot doing the work. The other is a passage or cloakroom with a boarded loft above, where a tube from a small dome on the roof reaches down to the ceiling. We choose between them by looking up into the loft, not by guessing from the street.

The full guide

At the basin: daylight for a Langwith bathroom

The mirror above a basin is where you really need to see. In many houses that spot has a small window beside it or none at all. This is how a roof window, a tube or a plain opening can be lined up on the basin, and which rules apply on the way.

Mirror light
Window or tube
Bolsover and the border
Fifties roofs

Callout 1

Shaving, washing, brushing teeth in the dark

A bathroom sounds like one room, but the daylight matters most in one corner. Stand at the basin with the door shut and you will know straight away whether the light is any good. If the only window is frosted, small and off to one side, your face is in shadow and the mirror shows a grey room.

Noted while standing at the basin

Which way you face: decides where daylight should arrive
Mirror and wall tiling: what bounces the light back
Height to the rafters: sets the depth of the well
Steam and ventilation: points to an opening unit
Loft floor above: boarded, insulated, or open

The aim of the survey is to find that corner from your side of the mirror. We stand where you stand, note which way you face, and mark the floor. Looking up from there tells us where the slope sits and how far the ceiling is from the rafters. A roof window set over the basin and a touch forward of it sends daylight down onto your face and onto the worktop, instead of behind your head.

Sometimes the basin is on an outside wall below the eaves, where the ceiling slopes and the rooflight would have to sit very low. That can be fine, and a low roof window gives a pleasant view of sky. Other times the basin is back from the eaves, and the opening lands higher in the slope with a short light well below it.

Daylight from above is kind to a face in a mirror. A window at the side throws one cheek into shadow, while a rooflight overhead lights both evenly and leaves the mirror itself bright. It also means the room stays usable in the early morning without a switch.

Cloakrooms and en-suites are the tightest versions of this. Floor area is small, so a unit that opens for air as well as light earns more than a fixed one. We talk through opening and fixed versions in the same visit and show how each reads from the basin.

Stand at the basin with the door shut and you know at once whether the light is any good.

Callout 2

Sky or glow over the mirror

Two products can bring daylight into a windowless corner of a house, and they behave differently. A roof window is a glazed frame set into the slope. You see sky through it, and an opening one lets steam out. A sun tunnel puts a clear dome out on the slope and runs a lined pipe down to a round panel in the ceiling. What you see is brightness, with no sky in it.

Which suits a bathroom depends on what the loft holds. Where the rafters are clear above the basin, a roof window is the better answer, because it gives more light and lets moisture leave. Where the route is long, bent around pipework or crossed by a water tank, the tube can travel where a wide shaft cannot.

Roof windows must meet the energy rules for windows under Approved Document L, and rooflights have their own, looser, limit. The unit in your quote carries whichever figure applies, and we explain it at the survey.

Keeping an existing window is perfectly sensible too. A small side window can stay for ventilation or privacy while the new unit above handles the daylight, and the two do different jobs. We draw the room with both in place so you can judge the result before the quote is written.

One more difference is cleaning. A roof window reaches from inside if it pivots. A dome on the roof is left to the rain. Neither asks much, but it helps to know before you choose.

Over the mirror, side by side

Framed roof window

Real view of sky
Opens to clear steam
Needs a clear rafter bay
Wider light well

Sun tunnel

Even glow, no view
Fixed, nothing to open
Threads past pipes and tanks
Small footprint on the roof

Callout 3

Planning, regulations and a county line

For Langwith the planning authority is Bolsover District Council, whose website is bolsover.gov.uk. The group of villages straddles the Derbyshire and Nottinghamshire border, so for a house on the far side of that line we confirm which council covers the address before the visit and quote nothing until we know.

Most householder rooflights fall inside permitted development, with conditions that are listed on the planning page rather than repeated here. Owners of flats do not hold the same rights. Listed status brings a consent requirement for most alterations, and if an Article 4 direction has taken permitted development from your street, confirming it is Bolsover's job.

Building Regulations are a separate track, and the table below shows how the work is sorted. The notification, where there is one, is our job.

Who decides what in the villages

Four common situations and the body that decides each.
Situation	Decided by	When
New opening in the slope	Building Control	Before cutting
Swap of an old unit	Energy rules, signed off	After fitting
House rooflight, no special status	Permitted development	Check first
Flat, listed or conservation	Bolsover or local council	Before ordering

Callout 4

Estate roofs and the loft shaft beneath

Dale Close was built in the 1950s as a council estate beside the railway station, and a layout of that age is easy to plan for. A house from that decade probably has a plain pitched roof, which gives a rooflight a clean piece of slope to land on. We confirm each house for itself, and what we find on the day decides what goes in the quote.

Between the opening in the roof and the ceiling below sits the light well. It is boxed, insulated and plastered, with its sides flared outward at the bottom so daylight spreads over the ceiling and down to the basin. A straight shaft gives a narrow patch of light, while a flared one spreads it over more of the ceiling.

The work follows a clear order. After the survey comes the fixed written quote, and the figure on it stands. For one plain unit, the time spent on the roof usually comes to one or two days. Every job comes with the 10-year workmanship guarantee, written down.

If you would like a visit, Begin at the survey form, naming the corner that stays dark.

Six villages, a railway legacy and a post-war estate

Langwith is not one village but a close group of six, strung along the River Poulter and crossing the Derbyshire and Nottinghamshire border. About 3,000 people live across them. The villages lie about two miles from Warsop and about four from Bolsover on the A632.

One of the villages was first established after a railway station opened, the only one to serve the group, and the Robin Hood line still runs through it. A railway separates the area around Langwith Maltings from Langwith and Nether Langwith. In the 1950s the land beside the station was built over as a council estate, referred to as Dale Close, and that gave the villages a sizeable block of post-war housing.

For a rooflight, the two phases ask different questions. Houses that predate the estate vary from street to street, so the stairs and the back rooms are mapped one house at a time. A house from the 1950s estate is likelier to have a plain layout, and the dim spot is then the landing or the hall.

Upper Langwith straddles the A632, and a row of shops and houses is wedged between the north side of that road and the river. Where houses stand close together, the neighbouring roofline can cut into the sky a rooflight sees. We check for that when we stand at the spot and look up.

Spacing between houses matters more than size here. A detached house with open sky on every side behaves differently from one in a short terrace, where the neighbours' ridge line may block the low winter sun. A rooflight on the slope facing the open side does better, and we say which slope that is before anything is priced.

Whatever you live in, the same rule holds. Name the dark spot first, and let the roof follow.

Asked in the Langwith villages

My home is across the county line in Nottinghamshire. Is that covered?

Yes. The villages run across the county line and both sides sit inside our service area. The only difference is which council deals with planning, so we check which council applies at your address and report back before the visit.

Will a roof window help with steam in a small bathroom?

An opening roof window does, because warm damp air climbs and escapes upward. A fixed unit or a sun tunnel brings in light but does not shift moisture, so a bathroom fan may still be wanted. We explain the trade at the survey, with your own room in front of us.

Is a post-war estate house difficult to fit a rooflight to?

Not in itself. The roof is usually a simple pitch, and the loft is reachable from the landing hatch. What counts is rafter position, ceiling height and what is stored above the spot. We check those in the loft during the visit, and the quote follows from what we find there.

Can a sun tunnel replace the window in a hall?

It can add daylight to a hall that has none, and it works well on a passage under a boarded loft. It shows no sky and has no sash to open. If you want fresh air as well, a roof window is the better choice. We can show both options against your hall.

Can a basin under the sloping eaves still get a rooflight?

Often it can, though the unit sits low in the slope and the ceiling above the basin is angled. Head height at the basin matters, because you must not knock your head on the reveal. We check that by standing at the basin and look at where the slope meets the wall before suggesting a size.

What do I need to have ready for the free survey?

Only access to the room with the dark spot and to the loft above it. A torch is handy, and it helps to clear the hatch. There is no price before the visit, and the written quote comes after, with one fixed figure for the job as agreed.

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Where do you want the light? Tell us in the form: the worktop, the stair, the desk.

No obligation. We survey before we price.
We cover Derby and 30 miles around.