LED lighting upgrades in Great Dunmow
What we do in Great Dunmow: swap fluorescent, halogen and metal halide fittings for efficient LED. Spare fluorescent tubes are getting harder to buy since the 2023–24 phase-out, which is why many sites in Great Dunmow now upgrade a floor or a unit at a time rather than waiting for failures.

Local LED lighting upgrades in Great Dunmow
Where ceilings in Great Dunmow offices are being replaced anyway, we plan the new LED layout to BS EN 12464-1 rather than simply copying the old positions.
An LED upgrade in Great Dunmow is also the cheapest moment to add presence or daylight sensors, because the electrician is already working on every fitting.
Great Dunmow is a smaller town, covered by postcode district CM6. We regularly work across Essex, so access, parking and out-of-hours working are planned before we arrive.
Great Dunmow at a glance
What's included
- Like-for-like or re-planned layouts so light levels meet BS EN 12464-1
- Complete LED luminaires rather than tube swaps, so old control gear is removed
- Testing and a BS 7671 certificate for the work, with a schedule of what was fitted
- A walk-round survey counting fittings, wattages, running hours and ceiling types
Guide prices in Great Dunmow
Typical budgets for Great Dunmow premises, supplied and installed, excluding VAT.
| Item | Guide budget (ex VAT) | Basis |
|---|---|---|
| LED panel (600×600) | £50 – £155 | per fitting, supplied and fitted |
| LED batten (complete luminaire) | £80 – £205 | per fitting, supplied and fitted |
| LED high bay | £155 – £410 | per fitting, supplied and fitted |
| Presence (PIR) sensor | £40 – £80 | per sensor, installed |
Example: 40 LED panels replacing fluorescent fittings in a 400 m² office, about £2,050 – £6,200 excluding VAT. Fixed price after a free survey.
Rules that apply in Great Dunmow
Approved Document L (2021 edition, with 2023 amendments) asks for new general lighting to average at least 95 luminaire lumens per circuit-watt, or to use the LENI method. The 2026 edition raises this to more than 105 for work under it from 24 March 2027.
In Great Britain, common T8 fluorescent tubes were caught by ecodesign rules from 1 September 2023 and the mercury exemptions for ordinary T5 and T8 lamps ended on 1 February 2024.
Great Dunmow FAQs
Can you work out of hours in Great Dunmow?
Yes. Evening, weekend and phased working is common for Great Dunmow offices, shops and warehouses, so the business keeps running.
Which rules apply to lighting work in Great Dunmow?
Fire safety duties come from the Regulatory Reform (Fire Safety) Order 2005. For new lighting, Approved Document L sets the energy efficiency requirements. We design and certify work to BS 7671 and, for emergency lighting, BS 5266-1.
How quickly can you survey in Great Dunmow?
Most surveys in Great Dunmow can be booked within a few working days. Tell us about any deadlines, such as a lease end or a fire risk assessment action, and we will try to fit around them.
Do you just change the tubes?
We recommend replacing the whole luminaire. Retrofit LED tubes leave old ballasts and holders in place, which can fail and complicate future maintenance. A complete fitting is cleaner, more efficient and simpler to certify.
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