Asbestos surveys before a loft, extension or garage conversion in Glasgow
If your home was built or refurbished before 2000, it may contain asbestos. Left alone and in good condition, it's very low risk. But a conversion means cutting into the building, so it helps to know what's there before work starts and before the price is fixed.
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Why it matters in an older home
HSE (4 September 2025) says asbestos may be part of any home built or refurbished before 2000. Its survey guide, HSG264 (second edition, 2012), says it was used extensively in homes between 1930 and 1980, and that what's in a house can be unpredictable, even between similar houses. Builders used up offcuts, and earlier owners changed things. So next door's result doesn't tell you much about yours.
The risk comes from disturbing it. NHS inform (20 October 2026) says it doesn't present a health risk if it's undisturbed, but that fibres in dust from damaged material can harm the lungs over time if breathed in. HSE (1 March 2021) calls the risk extremely low when it's in good condition and left alone. Building work is what changes that: drilling, cutting and taking things apart.
Where it's commonly found in homes being converted
Most of these come from HSE's diagram of a residential property (17 February 2026). A place being on the list doesn't mean your home has it. It means it's worth checking.
- Artex and other textured ceilings. HSE's diagram names textured decorative coatings such as Artex. HSG264 says asbestos formulations were prohibited in 1988, and it treats construction after 1990 as evidence against them. A loft stair usually comes through a ceiling, so this one's often relevant.
- Old floor tiles. The diagram lists vinyl tiles backed with asbestos paper, and bitumen adhesive. HSE (16 March 2023) says flooring like this can be hidden under carpet.
- Garage roofs. The diagram lists profiled cement sheeting and doesn't single out garages, but MyJobQuote (9 September 2026) names old garages, sheds and outbuildings among the buildings most likely to contain it.
- Soffits and fascias. The diagram shows these in insulating board or asbestos cement. They matter on an extension or a dormer, where the work meets the eaves.
- Boiler and airing cupboards. The diagram lists board around a boiler and in an airing cupboard. HSE adds that seals in some older domestic boilers and some boiler flues can contain it too.
- In the loft itself. The diagram shows a cement water tank, and HSE's materials page says loose-fill insulation can be found in loft spaces. Don't move anything like that. Mention it to the surveyor.
You can't tell by looking. HSE (1 March 2021) says sampling is the only way to confirm a suspect material contains asbestos. Please don't scrape, drill or break anything off to find out. HSE and NHS inform both say not to try to remove it yourself.
The two types of survey
HSE (1 March 2021) describes two. The details below are from HSG264, paragraphs 43 to 53. That guide is written mainly for non-domestic premises and for organisations that manage housing, so read it as a description of the survey, not as a rule aimed at you.
| Management survey | Refurbishment and demolition survey | |
|---|---|---|
| What it's for | Finding materials that could be damaged in normal use and routine maintenance, and assessing their condition | Finding, as far as reasonably practicable, all the asbestos in the area being worked on, before the work happens |
| How much it disturbs | Often minor: simple tools such as screwdrivers and chisels | Fully intrusive: lifting carpets and tiles, breaking through walls and ceilings, opening up floors |
| What it covers | The building, as far as reasonably practicable | The area of the work, or the whole building for demolition |
| Who's in the room | The building stays in normal use | Nobody. The area has to be empty, and shown fit to go back into |
For a conversion, it's normally the refurbishment one that fits, because you're breaking into the fabric of the building. HSE says a more intrusive refurbishment survey may be required in that case. Paragraph 67 of HSG264 says it's only needed where the work will take place, so show the surveyor your drawings, or tell them exactly what's planned. It can keep the job smaller.
What happens on the day
The surveyor goes through the area, takes samples of anything suspect and sends them to a lab. MyJobQuote says a survey takes around 4 hours on average, and All About Asbestos (15 June 2026) says 2 to 4 hours for a typical home. A refurbishment survey on a whole floor or loft could run longer. That's our judgement, so ask.
You'll need to stay out of the area while it's done. HSG264 says that on a small job this may only mean one room or part of one, with the area sealed off, and furnishings moved or sheeted. The surveyor should do a thorough visual check before anyone goes back in. It can leave holes, so ask before you book who makes good afterwards.
How long results take. We couldn't find a figure from HSE. One survey firm, Supernova (29 November 2024, modified 21 July 2026), says lab results come within 48 hours of samples reaching the lab, and reports within 2 to 4 working days. The same page also mentions 24 hours, so get the timescale in writing from whoever you use.
The report should have clear plans, show that every area was reached and show enough samples, according to HSE. Read the list of places they couldn't get to. Those have to be presumed to contain asbestos until someone's checked them.
Home test kits. You may see these for sale. MyJobQuote (14 September 2026) describes them as posting a sample to a UKAS-accredited lab, for one small undisturbed patch, and says to book a professional survey if you're planning a refurbishment. HSE says samples should be taken by a suitably trained person. Before building work, a survey is the safer route.
What it usually costs
| Home | Management survey | Refurbishment or demolition survey |
|---|---|---|
| Terraced, 2–3 bedrooms | £250–£350 | £400–£550 |
| Semi-detached, 3–4 bedrooms | £300–£400 | £500–£700 |
| Detached, 4–5 bedrooms | £350–£450 | £550–£800 |
Source: All About Asbestos, survey cost guide (15 June 2026). Supernova (23 February 2026, modified 21 July 2026) gives the same figures for a 3-bedroom semi. These are UK figures, and the first comes from an asbestos information site and the second from a survey firm. We couldn't find a Glasgow figure.
For comparison, MyJobQuote gives a typical £325 for a survey without saying which type, and its artex guide lists a sample survey at £200 to £250. Check whether a quote includes the lab fees. All About Asbestos puts analysis at about £15 to £30 a sample, and warns that hidden lab fees can push up the final bill.
Rules, dates and prices on this page were last checked on 30 October 2026.
If asbestos is found
It doesn't necessarily stop the job. The firm doing the work has to plan around it. For major refurbishment, regulation 7 of the Control of Asbestos Regulations 2012 says the employer's plan of work must, so far as reasonably practicable, have it removed before other major works begin. Who can do the removal depends on the material:
- Licensed work. HSE (9 September 2024) lists sprayed coatings, pipe lagging, loose-fill insulation and most longer jobs on insulating board. These need a contractor with an HSE licence.
- Non-licensed work. HSE (23 February 2024) gives examples such as carefully removing cement sheets in one piece, or small areas of textured coating. It still takes trained people, a risk assessment and proper controls, and some of it must be notified.
HSE puts that decision on the employer of the people doing the work. It's hazardous waste too, and mustn't go in household bins.
As a rough guide to removal, MyJobQuote gives £400 to £900 for a single garage roof and £750 to £1,400 for a double. Its artex guide gives £300 to £1,700 for steam removal, and says disposal is often charged separately. Those are UK figures, and your price depends on what's found.
Planning the build as well?
See our pages on loft conversions, garage conversions and house extensions. If you're not sure whether you need a survey at all, read do I need an asbestos survey before building work?
Common questions
Am I legally required to get a survey for my own home?
We haven't found anything from HSE that says an owner-occupier must commission one. Its FAQs (4 September 2025) say owners of owner-occupied homes aren't legally responsible for asbestos risks to contractors, because they aren't the ones doing the work. The duty to find out falls on the employer of the people doing it. Our guide goes through this. It's general information, not legal advice.
My house was built after 2000. Do I need to think about this?
Probably not. HSE (1 March 2021) says buildings put up after 2000 are unlikely to contain asbestos. Bear in mind that its cut-off also covers older homes refurbished before 2000, and that an older house can have a newer extension.
I already know where some asbestos is. What should I do?
Tell any builder or contractor before they start. That's HSE's advice, and it lowers the chance of anyone disturbing it. If it's in good condition and unlikely to be damaged, HSE says it's often best left where it is.
Who can give me free advice about asbestos at home?
An environmental health officer at your local council. Both NHS inform (20 October 2026) and HSE point people there. If you're worried about your health, speak to your GP.
How do I check a surveyor is properly accredited?
Ask for their UKAS accreditation and look them up on the UKAS search page. HSE strongly recommends using an accredited organisation. We don't check this for you, so do it before you book.
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