Hampstead Architecture and Planning

Enfield

House Refurbishment Architects in Winchmore Hill

Houses built or altered between the 1930s and the late 1990s can contain asbestos in places most owners never think about, and a refurbishment is exactly the activity that disturbs them. It is a manageable problem when it is identified before work starts and a serious one when a wall is opened first and questions are asked afterwards.

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The short answer

How should asbestos be handled in a Winchmore Hill refurbishment?

By surveying before work rather than during it. A refurbishment and demolition survey opens up the areas your project will disturb and identifies what is there, turning an open-ended programme risk into a known scope for a modest fee. The materials most likely to be disturbed — ceilings, floors, boiler cupboards, garage roofs — are precisely the common locations, and discovering them once work has started costs weeks rather than days.

Planning at a glance

Winchmore Hill

Planning at a glance in Winchmore Hill
Local planning authorityEnfield
Likely approval routeHouseholder planning application or permitted development, depending on conservation status, listing and property type — confirmed for the exact address before drawings begin
Statutory determination time8 weeks for most householder applications (13 weeks for major applications)
Where most projects startPlanning Route Review — £395 inc. VAT, credited in full against your package if you proceed. Find my package →

Know where it is likely to be, because it is rarely where people expect. Asbestos in domestic property of this age turns up most commonly in asbestos cement products: corrugated garage and outbuilding roofs, flue pipes, cold water tanks, soffit and fascia boards, and rainwater goods. It also appears in insulating board used for fire protection around boilers, airing cupboards and beneath stairs, in textured decorative coatings on ceilings and walls, in floor tiles and their bitumen adhesive, and in the backing of some sheet vinyl.

Understand the actual risk, which is neither trivial nor a reason for alarm. Asbestos is dangerous when fibres are released and inhaled, which happens when material is broken, drilled, cut, sanded or demolished. Material that is in good condition, sealed and undisturbed is generally not releasing fibres, which is why the regulations distinguish between managing material in place and removing it. Refurbishment is the problem precisely because it disturbs things.

So the sequence is to survey before work, not during. A refurbishment and demolition survey is the type designed for this: it is intrusive where it needs to be, it covers the areas that will be disturbed, and it identifies materials so the work can be planned around them. Commissioning one before a contractor starts is far cheaper than stopping a job midway, and it removes what is otherwise an open-ended risk in the programme and the budget.

Then the removal is matched to the material. Some lower-risk work, such as removing asbestos cement sheets whole, can be carried out by a properly trained contractor under controlled conditions without a licence. Higher-risk materials, particularly insulating board and sprayed coatings, require a licensed contractor working under notification. Textured coatings are usually handled by trained rather than licensed contractors. Which category applies is determined by the survey rather than by guesswork.

Local analysis

What matters in Winchmore Hill

Where it actually turns up in a house like this

The mental image most people have of asbestos is industrial lagging, and that is why it is so often missed in a domestic refurbishment. In houses of this age the common locations are mundane. Asbestos cement — a hard, dense material where the fibres are bound in cement — accounts for most of it: corrugated sheet roofs on garages and outbuildings, flat sheet used as soffits and fascias, flue pipes from older boilers, cold water storage tanks in lofts, and rainwater gutters and downpipes on older installations. Asbestos insulating board is a different and higher-risk material, softer and more friable, used where fire protection was needed: panels around boilers and airing cupboards, under stair soffits, on the back of some fire doors, in service risers and around ceiling access hatches. Textured decorative coatings applied to ceilings and sometimes walls — the sprayed or combed finishes common from the 1960s to the 1980s — frequently contained a small proportion of asbestos, which is why scraping one off dry is specifically discouraged. Floor coverings are the location most often forgotten: thermoplastic and vinyl floor tiles of a certain period contain asbestos, as does the black bitumen adhesive used to fix them, and sheet vinyl sometimes had an asbestos paper backing. Two further points matter for planning a project. First, the presence of asbestos is not determined by the age of the house alone but by the age of the work: a 1930s house rewired and refitted in 1975 may contain more than an untouched one. Second, the materials most likely to be disturbed in a typical refurbishment — ceilings being replastered, floors being lifted, boiler cupboards being stripped out, a garage roof being replaced — are exactly the ones on this list, which is why the survey is worth doing rather than hoping.

Surveying and removing it without derailing the project

The single most useful thing to understand is that there are two different survey types and only one of them is relevant before refurbishment. A management survey is the routine, minimally intrusive type intended to locate material so it can be managed in place during normal occupation. A refurbishment and demolition survey is intrusive by design: it opens up the areas that will be disturbed by the intended work, samples materials, and produces a report intended to let contractors work safely. Commissioning the second before a contractor starts is the whole game. It costs a modest fee, it takes days rather than weeks, and it converts an open-ended risk into a known scope. Discovering material mid-project has the opposite characteristics: work stops, an unplanned survey is arranged under time pressure, a specialist is engaged at short notice, and the programme absorbs weeks — which is why a contingency for asbestos in an unsurveyed house of this age is not pessimism but arithmetic. Removal is then matched to the material and the regulations set out which category applies. Work on asbestos cement in good condition — taking down a garage roof sheet whole rather than breaking it, for instance — can generally be done by a properly trained non-licensed contractor with appropriate controls, dust suppression and disposal through a licensed waste route. Textured coatings are usually non-licensed work too, when removed by appropriate methods rather than dry scraping. Asbestos insulating board and sprayed coatings are licensed work requiring a licensed contractor working under notification with enclosures and air monitoring. Two practical notes for a designated address: removing a visible asbestos cement element such as a garage roof or soffit changes the appearance of the building, so the planning question and the removal question should be answered together, and the replacement is an opportunity to put back something better than a standard modern substitute.

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Local planning

Planning & conservation context

Asbestos is a health and safety matter rather than a planning one, governed by the Control of Asbestos Regulations 2012 rather than by the planning system, and it applies regardless of whether the work needs permission.

Asbestos was banned in the UK in stages, with the final prohibition in 1999, so any house built or altered before 2000 may contain it.

Where a designation applies, removing an asbestos-containing element that is externally visible — a garage roof, soffits, a rainwater goods run — may involve a change of appearance that needs permission, so the two questions should be answered together.

Replacing an asbestos cement garage roof or soffit board on a designated address is an opportunity to reinstate a more appropriate material rather than a like-for-like modern substitute.

Where asbestos cement rainwater goods are being replaced on a visible elevation, cast iron or a close profile match maintains the character better than a standard plastic system.

The material change is generally welcomed on a designated street provided the replacement is appropriate, so the conservation officer is worth engaging early rather than treating it as a purely technical matter.

Illustrative study — street elevation

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Architecture in Winchmore Hill: FAQs

Is asbestos likely in my house?

If it was built or altered before 2000, possibly — asbestos was banned in stages with the final prohibition in 1999. What matters is the age of the work rather than only the age of the house: a 1930s house rewired and refitted in the 1970s may contain more than an untouched one, because the materials came in with the later work.

Where does it usually turn up?

Mundane places. Asbestos cement in garage and outbuilding roofs, soffits and fascias, flue pipes, loft water tanks and older rainwater goods. Insulating board around boilers, airing cupboards and under stairs. Textured decorative coatings on ceilings. And floor tiles with their black bitumen adhesive, plus some sheet vinyl backings — the location most often forgotten.

How dangerous is it?

It is dangerous when fibres are released and inhaled, which happens when material is broken, drilled, cut, sanded or demolished. Material in good condition, sealed and undisturbed is generally not releasing fibres, which is why the regulations distinguish managing it in place from removing it. Refurbishment is the problem precisely because it disturbs things.

What survey do I need?

A refurbishment and demolition survey, not a management survey. The management type is minimally intrusive and intended for normal occupation. The refurbishment type is intrusive by design: it opens up the areas your work will disturb, samples materials, and produces a report that lets contractors work safely. Commission it before a contractor starts.

What happens if it is found mid-project?

Work stops, an unplanned survey is arranged under time pressure, a specialist is engaged at short notice, and the programme absorbs weeks. That is why a contingency for asbestos in an unsurveyed house of this age is arithmetic rather than pessimism — and why the survey beforehand is much the cheaper route.

Does everything need a licensed contractor?

No, and the survey determines which category applies. Asbestos cement in good condition — a garage roof sheet taken down whole rather than broken — can generally be handled by a properly trained non-licensed contractor with controls and licensed disposal. Insulating board and sprayed coatings are licensed work under notification. Textured coatings are usually non-licensed when removed by appropriate methods.

Does removing it need planning permission?

The removal itself is a health and safety matter under the Control of Asbestos Regulations 2012, not a planning one. But where a visible element is being replaced — a garage roof, soffits, rainwater goods — the change of appearance may need permission on a designated address, so answer both questions together rather than sequentially.

What does a refurbishment architect in Winchmore Hill charge?

We publish fixed-fee packages rather than quoting a percentage before seeing the house, beginning with a survey and a written strategy credited against the design work if you proceed. On a house of this age we recommend commissioning a refurbishment and demolition survey before any contractor starts, because it converts the largest open-ended risk in the programme into a known scope.

How much does a house refurbishment cost in Winchmore Hill?

Fees for house refurbishments in Winchmore Hill follow scope, consent complexity and whether freeholder or specialist input is required. Published packages start from a fixed fee once scope is clear; council, engineer and freeholder surveyor fees are usually separate. See our packages page for current fixed-fee bands — we confirm a fee only after the address and proposed work are understood.

Discuss a refurbishment in Winchmore Hill

Send your Winchmore Hill address, the approximate date of the house and of any major past refitting, and photographs of the garage roof, soffits and any textured ceilings. We will advise whether a refurbishment and demolition survey is needed before work starts, and plan the programme around what it finds.

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