Deddington rooflights and skylights add a bright room, street intact
Deddington has been a market town since the twelfth century, and its buildings have layers of history on them. Daylight through the roof is a quiet way to add a bright room without touching the street view.
Market-town stone and the houses around it
Deddington is a town and civil parish in Oxfordshire, six miles south of Banbury, and the parish takes in two hamlets, Clifton and Hempton. A castle once stood in what is now the east of the town, built after the Norman Conquest by Odo, Bishop of Bayeux, and in the fourteenth century it was pulled down and its stone reused. That history sits on the roofs and walls today, and it gives the town two quite different sets of rooms to light.
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Old stone properties near the market place
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Houses with a kitchen, terrace or loft added
The town has had a market for more than eight hundred years, and the buildings around it have been altered, added to and re-roofed across the centuries. A steep slate or tiled roof, deep walls and small windows under the eaves are a recipe for dark upper rooms. In a home like that, the sky is the brightest thing available, and a conservation rooflight, narrow-framed and set low in the roofing brings it in, and the roof keeps the appearance the street already knows. Because the town has a conservation area, a conversation with the council before ordering is sensible.
One more thing to weigh in a house this old is the roof void. Older town buildings were often altered piecemeal, so the timbers under the covering can differ from one bay to the next, and the surveyor checks each rafter before the opening is marked.
Away from the centre, in the lanes and the hamlets, homes have grown by extension. A kitchen with a flat roof out the back, a covered terrace beside the garden doors or a converted loft all share one flaw: the windows look sideways at a wall or a tree. The flat rooflight and the roof window are the answers, and a walk-on rooflight can light a room below a terrace floor while still letting you stand on it.
The hamlets of Clifton and Hempton lie inside the parish, and a house there can have a larger plot and a longer outlook than one in the centre. A bigger garden does not cure a dark kitchen, though, since the problem sits in the depth of the room and not the size of the plot.
Daylight for three Deddington rooms
A kitchen hemmed in by a wall
Thick walls are lovely to look at and hard to see around.
Sideways
In a market town, plots are tight and buildings sit close. A kitchen at the back of an old property may have a window that looks straight onto a boundary wall, a neighbour's gable or an outbuilding. The glass does its job, and still the room is dim, because what lies in front of it is stone.
You can enlarge a window, but you cannot enlarge the gap between the house and the wall. The view stays the same, only bigger.
Straight up
Glazing in the roof looks past the wall entirely. Put a flat rooflight over the worktop and it lights where the work happens; a second over the table lights where people sit. Because it rises on an insulated upstand and the glass leans very slightly, rain leaves it cleanly.
The aim is to make a stone-bound kitchen feel open, by giving it the one outlook that a boundary wall cannot touch.
Before the quote, the surveyor checks the structure above the room. Older kitchen roofs may carry timbers of varied size, and an opening has to be framed to suit what is there. We cut, trim and support accordingly, then line the inside so the finished room looks as if the light was always meant to be there.
There are rules about heat, too, and they are worth knowing before you choose. The two figures are set out below.
If you cook a great deal, consider an opening unit. A rooflight that vents lets warm, damp air leave at ceiling height, which is where it gathers. We can talk through the choices on the visit, and the electric opening rooflights page shows how they work.
Heat-loss ceilings for new roof glazing in an existing home
- 1.4 W/m²K
- the limit for a roof window, or a WER of band B, as Approved Document L sets it
- 2.2 W/m²K
- ceiling for a rooflight, same table of the same document
A terrace that is cool and grey
A sheltered seat is welcome, but not when the room beside it turns into a cave.
Sideways
A terrace or a covered patio next to the house creates a pleasant spot for sitting out, and it does a quieter thing at the same time: it shades whatever room lies behind it. The doors face the terrace, the roof of the terrace blocks the sky, and the room beyond receives a weak glow.
The side walls of the courtyard add to this. Whatever light reaches the garden has to climb a wall first.
Straight up
A walk-on rooflight set into the terrace floor, or a flat unit above the room, passes daylight to the space below. The walk-on kind is made of thick laminated glass built for feet, so you can stand and sit on it as you would on any paving. Our glass and loads guide explains how the build works.
It is a neat answer for a house where space is limited and the terrace is a living area in its own right.
A few words in the trade are helpful here, and the list below defines them in one sentence each.
None of this changes how the terrace feels from the garden. A walk-on pane is flat to the eye, set into the surface, and the glass can be chosen with a textured or frosted face so the footing is firm and privacy is kept for the room below.
Trade words, translated
Upstand
A raised kerb round a rooflight opening that keeps water away from the join.
Fall
The slight slope given to a flat roof or its glass so that rain runs off.
Light well
The lined passage between the roof opening and the ceiling of the room below.
Laminated glass
Two or more sheets bonded around a clear interlayer.
WER
Window Energy Rating, a letter band that scores a roof window.
Article 4
A council direction that can remove permitted development rights in a defined area.
A loft room under a tree
The gable window sees leaves, and the leaves see off the light.
Sideways
A loft bedroom or study that has a single gable window faces whatever stands beyond the end of the house. In the market-town gardens and hamlet plots of Deddington, that can be a mature tree, close enough to fill the glass with branches in summer and bare twigs in winter.
The room is lit from one end only, and it is the end where the tree is. The far side of the loft stays quiet and dim.
Straight up
A roof window in the slope looks up to a patch of sky that the tree does not reach, lighting the middle of the room as well as the end. On a south-facing slope it brings sun; on a north-facing one, soft, even light all day. Our guide to loft conversions deals with the practical points such as ceiling height and stairs.
If the loft is a bedroom, a window that opens gives fresh air too.
The roof window is only one part of a loft job. A room used for sleeping or working needs a safe way in and out, and the rules on escape depend on the height of the floor above the ground. The surveyor will explain what applies to your house as part of the visit.
Tree growth is worth a thought too. A branch that clears the glass today may lean over it in ten years, so pick a position with some room to spare, and keep the canopy trimmed back from the roof edge as you would for the gutters.
Verdict: for a loft room whose only window faces a tree, a roof window in the slope gives clear, even light across the whole floor.
Cherwell District Council and the Deddington conservation area
For a Deddington roof the planning authority is Cherwell District Council. Among the conservation areas it lists is one named for the town, set out in its conservation area appraisals. The council's appraisal sets out the boundary and its detail.
A conservation area does not by itself remove permitted development; an Article 4 direction can. The town also has a Grade II* listed building, and any listed property needs listed building consent before changes to the roof. The council's planning pages are the starting point, and our planning guide covers the rooflight rules in full. Building control has its own council page, and where the work is notifiable we deal with the notification.
From Milton Keynes to north Oxfordshire
A survey visit to Deddington means 29.5 road miles west from Milton Keynes, around 43 minutes at the wheel. The nearby places are Adderbury, Kings Sutton and Brackley, and a single trip can include a survey in any of them.
The parish is bounded by water on three sides: the River Cherwell to the east, the Swere to the north and the Sowbrook. To arrange a visit, email info@vertexskylightsmiltonkeynes.co.uk, or WhatsApp 07880 284133.
If you can, send a photograph of the room and one of the outside of the house with your message. Seeing the roof from the garden in a photograph lets us pack the right kit, so the visit runs smoother.
Choosing between the options for your roof
Steep stone or slate: a conservation rooflight is the quiet choice. A pitched roof over a loft room: a roof window, selected by size code. A flat roof over a kitchen: a flat rooflight, or a lantern where there is ceiling height. A windowless hall or bathroom: a sun tunnel.
Every one of these comes down to the same point: side windows look at fences, walls, neighbours and trees, while the glass in a roof looks at the sky. That is why straight up is clear, and why the daylight it brings is steadier than anything a window in the wall can offer.
If two choices look close, ask us to price both. Seeing a lantern and a flat unit on paper side by side is a calmer way to decide than guessing from a brochure.
The free survey, then a fixed quote
The survey is free and covers the roof and the room. We note the roof covering, the timbers beneath and the pitch, and we ask what you want from the space. A written quote follows, with a price that is settled before work begins, and a 10-year workmanship guarantee given in writing.
We install to current Building Regulations and leave the inside tidy and finished. Housing work is our first call, with small commercial jobs also welcome. To find out how a quote is built, read our costs page, or start at the quote form.
Deddington, in short answers
Is Deddington in a conservation area?
The council's conservation area appraisals include one for Deddington. Before you plan the work, read our planning guide and ask the planning team two things: first, whether your street lies inside it; second, whether an Article 4 direction has been made.
Can a terrace room get light from above?
It can. A walk-on rooflight in the terrace floor, or a flat unit in the roof above the room, passes daylight to the space beneath.
Because the glass is made for loads, you can sit or walk on it. The surveyor will check the floor structure and the glass specification before anything is ordered.
How long is the road to Deddington?
A survey in Deddington means a westward drive of 29.5 miles from Milton Keynes, around 43 minutes. Surveys cost nothing, and a fixed written quote follows.
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