Fitting, replacement and upgrades · LL77

Battery backup and safety upgrades in Llangefni

Want your electric roller door in Llangefni to keep working in a power cut? We fit battery backup units for homes in Gwynedd, checking compatibility with your motor and control box first. The visit price is agreed before we come out. Travel to Llangefni is priced individually and shown in writing before you agree to anything.

Request a visit Call 0800 088 6248

Guide price: from £99 inc VAT
First step: Visit price agreed first
Covers: Llangefni, LL77
Area: Gwynedd

Roller door control box and battery backup unit mounted on a garage wall

Computer-generated image

What should I know about battery backup and safety upgrades in Llangefni?

A pressure-sensitive safety edge on the bottom rail stops or reverses the door if it touches something while closing.
After fitting, the door is tested to check it stops and reverses as it should with the new devices.
The battery charges from the mains while the power is on, so it's ready the next time there's a power cut.
A battery backup unit lets the door run for a limited number of cycles when the mains power is off.

How does it work in Llangefni?

Tell us about the electric roller door at your home in Llangefni and the upgrade you're interested in. The make of the motor or control box helps us check compatibility.

STEP 01
Tell us about the door
Describe the door and what you need, with a photo or video if you can.
STEP 02
Agree the visit price
We confirm the visit price before anyone comes out.
STEP 03
Visit
The engineer finds the cause and makes the door safe where possible.
STEP 04
Parts quoted first
Any parts are quoted before they are fitted, so you decide.

How much do battery backup and safety upgrades cost in Llangefni?

Item	Guide price (inc VAT)	Ex VAT
Battery backup unit, fitted to an existing electric door	£149–£279	£124.17–£232.50 + VAT
Safety edge replacement, fitted	£159–£295	£132.50–£245.83 + VAT
Photocell pair replacement, fitted	£99–£189	£82.50–£157.50 + VAT

Guide prices for homes, last reviewed 25 October 2026. Your written quote is the price. See the full price list.

Covering Llangefni

We can cover Llangefni, but work here is arranged individually: any travel cost is shown in your written quote before you agree to anything. Llangefni lies around 8 miles from Bangor.

Rules that apply in Llangefni

Powered door safety

Every powered door we fit is commissioned with force testing to BS EN 12453 and handed over with a Declaration of Conformity and UKCA or CE marking, as the Supply of Machinery (Safety) Regulations 2008 require.

Electrics

An electric door needs a power supply near the roller box. Electrical work must meet BS 7671, and in Wales some domestic electrical work is notifiable under Part P, so it is done by a registered competent person or signed off by building control.

Battery backup and safety upgrades in Llangefni: questions

Will you fix the door on the first visit?

A fault can sometimes be found and put right on the first visit, but we never promise it. If a part needs ordering, we quote for it first, make the door safe where we can, and confirm the return date in writing.

Do you repair roller doors you did not fit in Llangefni?

Yes. We repair roller garage doors of any make in Llangefni and across LL77, where parts are available. If a part is no longer made, we tell you what will fit instead, or price a replacement door if that is the better option.

Can I get a price for Llangefni without anyone visiting?

Yes. The guide price tool takes four steps and gives a range for your opening and door type. It is a guide, not a quote: the written quote comes after the survey or once the visit price is agreed.

What should I do while I wait for a visit in Llangefni?

If the door is stuck part-open, keep people, pets and cars clear of it and switch off the power at the isolator if it is safe to reach. Do not force the curtain or open the roller box. Your Llangefni visit date is confirmed in writing.

Do I still need the manual override if I have a battery backup?

Yes. A battery unit covers a limited number of cycles, and it can run down during a long power cut or as the battery ages. Keep the override handle somewhere you can find it in the dark, and make sure everyone who uses the garage knows where it is and how it works.

Can a battery backup be fitted to a manual roller door?

No. A manual door has no motor or control box for a battery unit to power, because springs in the barrel balance the curtain and you lift it by hand. If you'd like powered operation, a manual-to-electric conversion may be possible when the curtain, barrel, box and guides are sound and compatible.