Insulation in Winterborne Kingston
Ceilings brought back to full depth, storage decks raised off the quilt, and walls checked with a camera before anything is drilled.
The site visit is free and so is the written itemised quote. Thomas Hannen prices every job himself.
In Winterborne Kingston the two questions worth settling before anything is priced are what is over the ceiling and what is inside the wall. Neither can be guessed from the outside. A rule pushed down to the plasterboard in the far corner answers the first, and a camera through a mortar joint answers the second, and both happen on a free survey.
People usually ring us for one of three reasons. The heating runs longer every winter for the same house, which is what a flattened loft layer feels like from the sitting room. One bedroom upstairs in the roof that is cold in January and unusable in July. Or a cold, damp corner low down on an outside wall that keeps coming back however often it is wiped off.
We cover the village, the lanes out towards the down and the addresses either side of the stream. The site visit costs nothing and the written itemised quote costs nothing. If the honest answer is that your ceiling only needs topping up and the wall is best left alone for now, the quote will say that.
The work
No garage, no cellar, so the loft is the storage
Top-ups over a trussed roof. A trussed loft is quick to insulate and awkward to move about in, because the webs cross the space at head height, so rolls are cut in around the diagonals rather than run out end to end. Eco roll mineral wool goes between and over the joists, the second layer crossing the first so no joist is left as a cold bridge through the ceiling, finishing at 250mm to 270mm, the depth that carries a ceiling to the 0.16 U-value expected of a renovated roof and cuts the heat loss going straight up through it. Anything that has settled, slumped down the slope or been pulled aside for cabling gets made good rather than covered over. On a chalet, a dormer or a room in roof conversion there is no loft floor to work from, so the sloping ceiling becomes the line and the build-up is a warm roof, rigid board at rafter level.
Boarded lofts, put back properly. A lot of houses out here have no garage and no cellar, so the loft is the storage, and the boards were laid straight onto the joists with a thin quilt squashed underneath. Compressed mineral wool holds far less still air than the same material at full depth, so that deck has been costing you heat for years. The boards come up, the depth goes back in, and a raised deck on legs goes over the top so you keep both. It is the single most common thing we put right in this village.
Nobody should drill a wall on the strength of what year the house looks. We measure the thickness at a window reveal, read the brick coursing, then put a camera through a mortar joint to see whether there is a void, whether it is clear and whether somebody filled it once already; slumped fill in the bottom with a void above it comes out before anything new goes in, and on the older cottages there is no cavity at all. Then the parts that get skipped: the hatch, vent trays at the eaves, lagging on the tank and pipework, and fire rated covers over downlighters.
How it runs
From your call to a written price
The quote is itemised: survey, clearing, the material and its depth, ventilation works and disposal on separate lines.
Insulating a loft or a wall from the inside needs no planning permission, and insulation is normally permitted development, which Planning Portal guidance on insulation sets out. The parish has seven listed entries and no conservation area of its own, so for most addresses here the paperwork is short; where a building is listed, even internal work such as lining a wall can need listed building consent, and we check first. Building control catches people out: regulation 23 of the Building Regulations means renovating more than half of a thermal element brings the whole element up to standard. Dorset Council for both.
Cost
What decides the price of an insulation job
No rate per square metre. A bungalow with the hatch in the hall, a chalet with half the upstairs already inside the roof, and a converted farm building with the ceiling fixed to the rafters are three different jobs. Old material to bag and take away, and storage to move and put back, come before anything new goes down, and Approved Document L sets what the work has to reach. Comparing quotes, ask what depth is being laid, whether the old material is removed or covered, and whether the hatch and pipework are included.
If it is urgent
Damp, condensation or a room you cannot heat
Ring rather than use the form. Condensation dripping in the loft, mould that keeps coming back, or a room that will not hold heat gets looked at quickly. Insulating a roof space that cannot breathe makes it worse, so the first visit settles which it is. Kingston is a short run up the A31 and the lanes. Say so if water has ever been in the house.
Worth knowing
A winterbourne village, and what water does to the plan
The North Winterborne runs through the village, and a winterbourne is not an ordinary stream. It is fed by the chalk, so it fills as the water table comes up over the winter and can be a dry bed by late summer. Parts of the village sit in flood zones 2 and 3, and the mapped surface water risk here is high, which is a separate thing again: it means heavy rain runs across the ground rather than soaking into it, and it arrives at the base of walls and at doorways.
You can check what applies to your own address on the government flood risk service. It matters on an insulation quote because insulation and moisture do not mix, and the mistakes are expensive rather than inconvenient.
So the order of work shifts. Any wall that takes water at the base gets dried and put right before a lining goes anywhere near it, because insulated board fixed over a damp solid wall traps the moisture behind it and the mould turns up at the skirting instead.
Airbricks stay clear: blocking them to stop a draught is one of the worst things you can do to a suspended timber floor, and where we insulate under one it is a breathable quilt carried on netting between the joists rather than rigid board rammed tight. Mineral wool that has been wet is scrap, not something to dry out and put back. And where a house has a history of water coming in, the money goes upwards first: ceiling, hatch and draughts, then walls, and the floor last of all.
Who you are dealing with
A local firm you can check
We cover Winterborne Kingston, Bere Regis, Milborne St Andrew, Winterborne Whitechurch and the DT11 addresses down the valley, with Dorset Council for planning and building control. Send the postcode if you want to be certain. Bournemouth Roofing & Building Ltd, registered in England and Wales, company number 15471719, which you can look up in a minute. Thomas Hannen's business, and he is the one who comes out to price the job, not a salesman. A verified customer's 10 out of 10 on Checkatrade. The visit and the written quote are both free.
Questions
Winterborne Kingston questions we get asked
There is no conservation area here. Does that free us up?
For the outside of the house, largely yes. Winterborne Kingston has no conservation area and seven listed entries, the Church of St Nicholas among them, so unless you are in one of those the appearance of your property is not controlled the way it is in villages a few miles off. That still leaves Dorset and building regulations if you convert the roof space into a room rather than simply insulate it.
The winterbourne runs close by and the ground holds water. Any consequence?
For the ground floor, yes. The North Winterbourne runs within about seventy metres of the village, the ground around Winterborne Kingston holds water, and flood zones 2 and 3 both apply with a high surface water rating on top. So anything absorbent low down is out: fibre packed under floorboards holds water and stays wet long after the room looks dry. Rigid board that sheds it is the sensible choice.
The room still feels draughty even with the loft done. Why?
Because insulation slows heat and draught proofing stops moving air, and they are two different jobs. If cold air is arriving at the skirting, round an old frame, or straight through the hatch, more depth over the ceiling will never touch it. We chase the moving air first, seal the hatch and any service holes into the roof space, then add depth. The other order just hides the problem.
Radon here is on the low side. Does that need designing for?
Not around Winterborne Kingston, where the affected band is the lowest one and no protective measures are called for in new work. It becomes a live question somewhere with a higher reading, and then only when you form a new floor for an extension or a conversion. Adding material over an existing ceiling or an existing floor changes nothing about the ground beneath the house either way.
Is it worth doing the ground floor as well as the loft?
Sometimes, but it is the second job rather than the first. Heat rises, so the ceiling is where most of it leaves and the roof space is the easier place to reach. A suspended timber floor can be done from beneath where the crawl space allows, or from above by lifting boards, which means emptying the room. On naturally wet ground like this, whatever goes in has to tolerate a damp void.
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