Rooflights and skylights in St Ives

St Ives grew up on the north bank of the Great Ouse, and its everyday roofs are what decide what a rooflight can do for a room. Along The Broadway and Market Hill, buff and red brick sits under slate and plain gault tile, mixed with render, painted brick and the occasional stretch of timber framing. That mix of coverings is the first thing we look at on a survey, because the flashing and frame that suit a slate roof are not always the ones that suit a gault tile one.

The town had its own brickfields to the west, by the river, working into the 20th century, so much of what you see on a walk through St Ives came out of the ground close by. Terraced streets off East Street, formal Victorian rows near the site of the old Slepe Hall, and later council housing on Needingworth Road all sit within a short distance of each other, each with its own roof age and roof pitch. A rooflight plan starts with which of those you actually have.

None of that history changes what matters inside the room: how much sky you see from the bed, the sofa or the sink, and whether a frame edge or a bar gets in the way of it. We plan for that first, then choose the unit that suits the roof.

St Johns Road and Crown Walk, off East Street, are lined with terraced housing, and Crown Walk, the older of the two, winds past what is now Warner's Park to meet the later Victorian development on Oxford Road. Cromwell Terrace, the Quadrant and Cromwell Place are a different, more formal kind of terrace again, built after 1847 on the site of the demolished Slepe Hall, typically in red and buff brick with plain gault tile or slate roofs.

Terraces like these share a problem that is easy to miss from the street: narrow plots and shared party walls mean the roof space is often the only place to add height or light, so a loft conversion or a top-floor bedroom depends on the roof doing more than one job. Two things tend to go wrong when a rooflight is added without much thought:

• A unit set high in the slope to clear a chimney or a party wall step can put the frame edge exactly where the bed's eyeline meets the roof.
• A standard-width roof window across a narrow terrace roof, sized more for the wall opening below than the person lying under it, can leave a glazing bar or a wide frame close to the middle of the view.

On these streets we measure from where you will actually be, not just the rafters available, before naming a size. A roof window set a little lower on the slope, or moved along the rafters by a few hundred millimetres, often clears the eyeline without changing the structural opening at all. Our roof window installation service covers pitched-roof units for exactly this kind of terrace loft.

Cromwell Terrace's more formal frontages, set back from a wider street than Crown Walk, sometimes carry rooflights that were added decades ago, in profiles that would not be specified today. Where an old unit has gone cloudy or the frame has swollen, our misted and failed rooflight replacement service renews it with a slimmer frame and a clearer pane, in the same opening.

A single-storey rear extension behind a Victorian terrace or a later infill house is usually the room where a family actually gathers, seen from the kitchen table or the sink rather than from a bed. A flat rooflight on a proper upstand, with the falls taken away from the house, gives an unbroken pane and a clean sightline up from the worktop, with no bar to interrupt it. Where the room is wide enough, a lantern can carry that same clear sightline up and out to both sides rather than straight up alone; our roof lantern installation page covers that option, and flat roof rooflight installation covers the single unit.

Because the extension roof is usually newer than the house behind it, it also gives more room to plan the opening size properly, rather than working around old rafters. That is often where the widest, clearest view in the house ends up sitting, once the falls and the upstand height are settled.

A warm edge spacer between the panes, rather than an older metal one, cuts down the cold bridge that causes condensation to form at the edge of the glass first. A hard, self-cleaning coating on the outer pane uses rain and daylight to break down and rinse off surface dirt, which matters more on a low-pitched extension roof than on a steep slate one. Neither fix is visible from inside; both decide whether the sky you see in year one is still the sky you see in year five.

Where an existing rooflight has already misted between the panes, the seal has failed and no amount of cleaning brings the view back; the answer is a new unit in the same opening, to a better specification, not another clean. Our misted and failed rooflight replacement service covers that, and our energy efficient rooflights page covers the glass specification in more depth.

My house is on Crown Walk or St Johns Road. Can I still get a good view from a loft bedroom?

Usually, yes. Terraced roofs like these have less rafter width to play with than a detached house, so the size and position of the unit are set by the room and the eyeline first, then fitted to whichever rafters allow it. The sightline sketch shows what that gives you from the bed before anything is agreed.

Is my home inside the St Ives conservation area?

It depends on the address. The conservation area covers the historic centre around the medieval bridge and its approach streets, and we check the boundary and any listing for your property with Huntingdonshire District Council before naming a product on the quote.

Does a flat roof extension near the river need anything different from a normal rooflight job?

The unit itself is the same as anywhere else; what changes is getting the falls and the upstand right, since St Ives sits on low ground close to the Great Ouse. We set those out on the survey rather than leave them to be decided on site.

Can the glazing bar in an older terrace rooflight be avoided?

Often. A single-pane unit without a central bar is available in most of the sizes that suit a terrace roof, and the sightline sketch shows whether the size you need still clears your eyeline from the bed or the sofa.