Independent guidance · Comparison guides
Notifiable Non-Licensed Work vs Licensed Removal
The middle removal regime — Notifiable Non-Licensed Work (NNLW) — sits between non-licensed and licensed. A UK comparison of NNLW vs full licensed removal.
Key takeaways
- Small area of AIB — always Licensed regardless of size
- Boiler-house lagging — always Licensed
- Weathered cement roof shedding fibres → NNLW (or Licensed if enclosure required)
- Whole-house textured coating removal → NNLW
- Large exterior cement rainwater goods refurbishment → NNLW
NNLW was introduced by CAR 2012 to catch higher-risk non-licensed work — typically larger cement removals or textured coatings in poor condition. It requires notification, medical surveillance and record-keeping but not an HSE licence. This guide compares NNLW to full licensed removal.
Interactive decision tree
Answer 2–3 questions to get a specific survey recommendation.
Question 1
Is the material AIB, lagging or a sprayed coating?
Head-to-head comparison
The two regimes look similar on paper but diverge sharply on containment, air monitoring and cost.
| Criterion | NNLW | Licensed removal |
|---|---|---|
| When triggered | Non-licensed material where exposure or condition exceeds threshold | AIB, lagging, sprays or any high-friability ACM |
| Notification | Yes — to the enforcing authority (usually HSE or LA) | Yes — 14-day ASB5 notice to HSE |
| Contractor licence | None required | HSE 3-year licence required |
| Enclosure | Local dust control + segregation | Full negative-pressure enclosure |
| Air monitoring | Reassurance test recommended | Background + leak + 4-stage clearance mandatory |
| Medical surveillance | Mandatory every 3 years | Mandatory every 3 years |
| Written records | Mandatory — kept for 40 years | Mandatory — kept for 40 years |
| Typical UK cost | £800–£4,500 per job | £1,800–£12,000+ per job |
| Waste classification | Hazardous — consigned via HWCN | Hazardous — consigned via HWCN |
What this means
NNLW is a paperwork-heavy version of non-licensed work — same containment, but with notification, medicals and 40-year records.
NNLW — pros and cons
The right regime for large cement removals, weathered cement in poor condition, whole textured-coating rooms and some floor tile removals in exposed areas.
Pros
- No HSE licence required — wider pool of competent contractors
- Cheaper than licensed removal for the same physical work
- Suitable for large outdoor cement jobs where full enclosure is impractical
- Faster mobilisation — no 14-day HSE notification window
Cons
- Contractor competence is uneven — the ACAD register or an independent survey is essential
- Local authorities have inconsistent NNLW notification processes — expect friction
- Written medical records must be kept for 40 years — a real administrative burden for small firms
- Any change of material or condition on discovery pushes the job into licensed territory
Licensed removal — pros and cons
The correct regime for the highest-risk materials and for any case where the containment and clearance requirement is the deciding factor.
Pros
- Full enclosure and 4-stage clearance give the strongest audit trail
- Only HSE-licensed contractors — vetted 3-yearly by the HSE licensing team
- Independent analyst provides written reoccupation certificate
- Correct regime for all AIB, lagging and sprayed coatings without exception
Cons
- Highest cost bracket in the UK removal market
- 14-day HSE notification adds programme time
- Rarely justified for small bonded-cement or textured-coating jobs
- Requires an independent analyst — never the removal contractor's own
Recommended scenarios
The R&D Survey confirms the material and condition, which routes the removal to the correct regime.
- •Small area of AIB — always Licensed regardless of size
- •Boiler-house lagging — always Licensed
- •Weathered cement roof shedding fibres → NNLW (or Licensed if enclosure required)
- •Whole-house textured coating removal → NNLW
- •Large exterior cement rainwater goods refurbishment → NNLW
- •Single garage cement roof panel → Non-licensed (below NNLW threshold)
- •Damaged AIB behind a boiler enclosure → Licensed
What this means
AIB, lagging and sprays are always licensed. Cement and textured coatings are non-licensed unless condition or scale pushes them into NNLW.
Found this guide useful?
Need notifiable non-licensed work vs licensed removal surveyed or removed?
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Recommended next step
In practice, the choice above turns on the facts of your building and the works. If you'd rather have an independent consultant confirm the recommendation in writing, request a fixed-price R&D Survey quote. The survey confirms the material and condition and routes each ACM into non-licensed, NNLW or licensed removal. Elements Surveying Group is UKAS 17025 accredited, does not own a removal arm and does not take referral fees — the recommendation is evidence-led, not commercial.
- •Request a fixed-price R&D Survey quote — one working day turnaround
- •Speak to a senior consultant on 0208 036 1099 (Mon–Fri, 8am–6pm)
- •Independent, UKAS-accredited, conflict-free — no removal arm, no referral fees
What this means
If the comparison still leaves doubt, request a quote — the enquiry costs nothing and puts the decision in writing from an independent, accredited consultancy.
Frequently asked questions
Is NNLW just 'licensed lite'?
No — the containment is closer to non-licensed. NNLW adds notification, medical surveillance and 40-year records but not enclosure or 4-stage clearance.
Who enforces NNLW notification?
The HSE for most work, or the local authority environmental health team for lower-risk premises. Both accept the same standard notification format.
Do I need a survey before NNLW work?
Yes — the R&D Survey is what confirms the material is non-licensed and whether the NNLW threshold is met.
Does NNLW require air testing?
Not by law, but a reassurance air test from an independent UKAS 17025 lab is best practice and inexpensive.
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