Insulation in Stourpaine
Loft top-ups, better access into the roof space, and breathable linings on walls that have to keep drying out.
The site visit is free and so is the written itemised quote. Thomas Hannen prices every job himself.
Yes, you can insulate a house in the conservation area, and for most of the work in Stourpaine you need nobody's permission to do it. What needs care is the small number of jobs that change something you can see from the lane. We come out for free, tell you which side of that line your job falls, and put the whole thing in writing.
Most calls start in one of three places. An old cottage that swallows heat and still has cold rooms. A roof space nobody has been into for years, with a thin, dusty layer that has settled between the joists. Or mould coming back in a corner every winter, faster than it can be washed off.
More material on its own does not answer any of those, and on an old building it can make things worse. So the visit is a look at how the house works: what depth is really up there, whether the eaves are open, what the walls are actually built of, how you get into the roof space at all, and where the tank and pipe runs sit. Then a written itemised quote, with the ventilation work and the access work priced as their own lines rather than folded into a single number.
The work
Half the job is getting into the roof space
Getting into the roof space at all. On the older houses here the way in is often a small hatch over the stairs with no ladder and nothing to stand on, and that is a real part of the job rather than an afterthought. We will form a proper opening, fit a ladder and put a boarded walkway in where it makes the loft usable, and it goes on the quote as its own line so you can decide whether you want it. A loft you can get into is a loft that gets looked after.
A layer that went down decades ago will have compressed under foot traffic, settled into the gaps and often drifted away from the perimeter altogether. Dry, intact mineral wool stays and takes a fresh eco roll over the top at right angles, between and over the joists, so no timber is left carrying cold through the ceiling, and the pipe runs above it get lagged. Anything wet, crushed or full of nesting comes out, gets bagged on the spot and leaves with us rather than sitting in your garden. A renovated ceiling is expected to reach a U-value of 0.16, nearer 270mm of quilt than the 250 people remember.
Solid cob, brick and flint walls have no cavity to fill and survive by drying out through their faces, so an internal lining has to be vapour open: a wood fibre or mineral board with a lime finish, with the cold bridge at the joist ends and the reveals properly detailed. Inside the Stourpaine Conservation Area, external wall insulation is a planning conversation before it is a technical one. The later houses behind the street do have cavity walls, and those get a borescope before anybody talks about filling them. Kitchens added on behind a cottage usually sit under a shallow lean-to with a few inches of space and nothing in it, and they are the coldest rooms in the house. Where the covering is coming off one of those the answer is a warm roof, rigid PIR board over the deck, or a multi-layer quilt such as TLX under a sloping ceiling with no depth to give.
How it runs
From your call to a written price
Insulating a loft or lining a wall on the inside is an improvement rather than development, so it needs no planning permission and sits inside permitted development. The Planning Portal sets out where that stops. Building control is engaged once a thermal element is renovated or the loft becomes a room, and the Building Regulations then set the standard the finished work has to reach. Stourpaine has a conservation area of its own and twenty-six listed entries in and around the village, so anything that changes the outside face of a building goes to Dorset Council first, and on a listed building listed building consent reaches inside as well as out.
Cost
What decides the price of an insulation job
No rate per square metre. A thatched cottage where the only way in is a trap over the stairs, a lane-side house with a cut roof and purlins in the way, and a newer house with a full height trussed loft are three different days before a roll is opened. Old material that has to be bagged and taken away is a cost before anything new goes down, and so is forming an opening you can actually use. Approved Document L sets what the finished work has to reach. Ask any quote what depth is going down and whether the eaves are being kept clear.
If it is urgent
Damp, condensation or a room you cannot heat
Ring rather than use the form. A loft dripping with condensation, mould that keeps coming back, or a room that will not hold heat gets looked at quickly. Stourpaine is the far end of our patch, up past Blandford, so we will give you a straight day rather than promise an hour we would miss, and if mould is coming back on a bedroom wall we will tell you what to change meanwhile.
Worth knowing
The conservation area, and the vents nobody warns you about
The conservation area controls how the village looks, not how warm your house is. A loft top-up, a breathable lining on the inside of a wall, a floor, a draughtproofed hatch: none of those change anything visible from the lane and none of them need permission. The two obvious exceptions are the ones everybody expects.
External wall insulation thickens the walls and changes every reveal and eaves line on the elevation, and a rooflight or a dormer on a conversion puts something new on a roof slope people can see. Both are planning conversations before they are technical ones.
The one that catches people out is ventilation. Once you make a roof space properly cold you have to let it breathe, and Approved Document F sets out what it needs.
In a sheltered old roof the answer is often to ventilate at the eaves, which is invisible, but where the eaves are boxed in or the roof is shallow the honest answer can be tile vents or a ridge vent, and on a designated street the type and position of those is a visible change. We look at that before the quote rather than turning up with a box of vents on the day. If the answer is that something has to show, you hear it at the visit, with the alternative and what it costs, so you can ask the council rather than find out afterwards.
Who you are dealing with
A local firm you can check
We cover Stourpaine, Durweston, Bryanston, Blandford Forum, Iwerne Minster and the Tarrant villages on DT11, and Dorset Council is the planning and building control authority for this address. 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
Stourpaine questions we get asked
We are in the Stourpaine Conservation Area. What needs consent?
Anything that changes what the street sees. Adding a rooflight to a visible slope, cutting vents through the covering or changing the covering itself is a design matter for Dorset Council. Rolling quilt over the joists is not, because nobody outside can tell it has happened. The line drawn here is that like for like maintenance goes ahead and a change of material or appearance is a conversation first.
We are off the mains and on oil. What order do things go in?
Roof, then draughts, then heating. About 20.0% of households in Stourpaine run on oil and another 10.0% on electricity, so heat is bought in advance and stored rather than drawn off a main as you use it. That makes waste more obvious than it is in a gas house. Fixing the ceiling first means the fuel already sitting in the tank lasts further into the winter.
The west wall gets battered. Does that decide the specification?
It decides where the care goes. The most exposed face in Stourpaine looks west, and driven rain on that wall keeps the masonry damp, which makes it conduct more heat than the dry sides do. Wind pressure on the same face pushes air through gaps at the eaves and around the frames. So the west elevation gets the sealing work and the sheltered sides are left unless there is a reason.
The ground is chalk here. Is a cold floor normal?
Free draining ground is not what makes a floor cold. A solid slab laid straight on the earth with nothing beneath it is, and so is a suspended timber floor over a ventilated void, which is what the older Stourpaine houses tend to have. Air moving under the boards pulls heat out of them. Insulating between those joists from below, with the air bricks left clear, is the answer.
Who turns up to price it?
Thomas Hannen, who owns the firm. He does the visit, gets into the loft and writes the quote himself, so there is no gap between the person who looked at it and the person who set the figure. Bournemouth Roofing and Building Ltd is registered in England and Wales, company number 15471719. The visit and the written itemised quote are free, and Stourpaine is well inside the patch we work.
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Start with a look in the roof space
A free site visit in Stourpaine, a rule put in whatever is already up there, and a written itemised quote with the method and the ventilation on it.