Local Shutter InstallersSecurity · Long note
External shutters, burglary and insurance
Updated
An external shutter is a delay and a deterrent on the opening it covers, while it is closed and locked. It is not a guarantee, and it is not a security product just because it is metal. The useful version names the slat, the guide and the lock, and is down when the house is empty.
The opening that actually gets used
A lot of domestic break-ins favour the back, where the glass is large and the neighbours' view is poor. A rear bifold is a gift if the only thing in the way is a lock you can see through. A shutter on that opening is a rational spend even when the front door is already decent. The front elevation, if it is original and public, may be the one you leave alone for planning reasons.
Side passage windows, lightwells and utility doors are the other usual gaps. A whole-house scheme that shutters the pretty front bays and leaves the dark side door as glass has decorated the problem.
Foam slat, extruded slat, vision slat
A foam-filled double-skin curtain will stop a casual attempt on the glass and will feel like a proper barrier to anyone who hoped for an open invitation. An extruded aluminium security slat is the heavier object, used when a tested delay is the brief. Vision and perforated curtains let you see through and are often what a shop is allowed to fit. They are not blackout and they are not the same delay as a solid security curtain.
SeceuroShield, from SWS UK, is the British range distributors actually name, with several profiles rather than one magic shutter. The quote should carry the profile code. A brand name alone cannot be compared with another brand name.
Tests and the word insurance
LPS 1175 is a test regime from the Loss Prevention Certification Board. Listings apply to an assembly, not to a logo. If an insurer, a police designing-out-crime officer or a landlord has asked for a rating, the installed product has to be that rating. A domestic thermal shutter described loosely as 'insurance approved' can leave you with a story rather than a specification.
Secured by Design is the police scheme. Some products are in it. Ask for the guide entry if the logo is on the quote. Household insurers may simply want to be told. A premium discount is not something this site will promise, because it is not something an insurer owes you.
The shutter that is up
Security exists in the closed position. Afternoon living with the bifold uncovered is normal, and the door locks have to be real for those hours. Holiday mode that closes the elevation when you leave is part of buying motors. Test it. A handset in a kitchen drawer is not a procedure.
Guides, bottom-bar locks and anti-lift devices are where a weak installation gives the game away. Forcing stories are not a public guide this site will write. The practical point is that the quote should say how the curtain is held down, not only how pretty the slat is.
Fire, power and being shut in
A door that is part of how you leave the house in an emergency must open even if the motor does not. Overrides, and not covering the only escape with a motor you cannot defeat, are the design. Building control will care about this in some layouts, and you should care in all of them.
Tell anyone who stays in the house how the shutter works. A holiday let with a clever app and no plain switch is a bad security product, because the guest will leave it up and the insurer will be unimpressed later.
What to keep with the policy
Keep the profile name, the fixing photographs, the motor model and any certificate that was claimed. If you sell the house, that pack is worth more than a vague sentence in the listing. If you claim, it is the difference between a specification and a memory.
A shutter is one layer. Locks, light, and where you leave the ladder still matter.
Daytime glass is still glass
You will live with the shutter up for hours. The bifold locks, the side gate, and the habit of not leaving tools in the passage do the work in those hours. A shutter is the night and holiday layer. Selling it as a constant shield leads people to ignore the door furniture, which is a worse outcome than having no shutter and a decent lock.
Vision slats are a compromise for shops and for people who want to see the garden while something is down. They are a poorer blackout and a different delay. If the brochure swaps a vision curtain in to make the price or the look easier, the security sentence has changed. Make them change it in writing.
Fixings are the specification
A hard slat in a soft guide, or a guide screwed into a hollow frame, wastes the metal. The survey should say what the screws go into. Brick and block are friendly. Render on insulation, crumbling joints and plastic frames are not. Anti-lift and a bottom bar that meets the sill are as much the product as the brand stamped on the axle.
I am not going to describe how openings get forced. The practical instruction is the dull one: match any insurer or police request to a named assembly, keep the certificate, and do not let a thermal curtain be redescribed as that assembly because it looks similar from the drive.
Holidays and other people
A scene that closes the rear elevation when you leave is worth more than a second colour chart. Test it before the trip, including what a neighbour does if a parcel needs the door. A phone app that only you understand is a poor holiday setting. A switch in a sensible place, plus the scene, is enough.
Tell the insurer when you fit them, especially if a commercial policy or a previous survey asked for shutters. Do not invent a discount in your head and spend it in advance. The win is the opening you covered, not a line on next year's renewal.
A measured afternoon, using Norwich as the stand-in
External shutters, burglary and insurance needs a house, so this pass uses a rear wall in Norwich. Suburban kitchens with large sliders are the overheating jobs. Historic windows want a different conversation. The opening in the example is 1.2 m by 1.2 m. Nobody should order from that example. It exists so the watts and the pounds have somewhere to sit.
The survey starts at the sill, not at the brochure. Handles, tracks and the headroom under the soffit decide whether a cassette even fits. The historic centre is the awkward carry. If the reveal is out of square, the manufacturing width is the tight one, with clearance, not the average of three careless readings.
Watts, then pounds
The worked opening for External shutters, burglary and insurance is 1.2 m wide by 1.2 m high, 1.44 square metres of glass. This figure puts 495 watts per square metre on the pane and uses a g-value of 0.7, about 499 watts into the room if the curtain is up. An opaque external shutter, taken as stopping 85 percent of that gain while it is fully down, leaves about 75 watts and keeps about 424 watts out. That is a noon figure for comparison. An internal blind does not get the same reduction. For External shutters, burglary and insurance, use the noon figure to compare two openings on the same house, then let a measured survey replace the figure.
Fitted illustration for External shutters, burglary and insurance in Norwich: £1,479 at September 2026 prices, for this 1.2 by 1.2 m opening with a wired motor. The figure allows a front-mounted aluminium curtain and ordinary fixing. It does not include scaffold, a rebuilt soffit, planning drawings, or a new window. A second opening on the same visit usually costs less than the first, because the van is already there. Compare two quotes only when the slat, the box and the drive match.
Dusk on the same pane
Winter figure for External shutters, burglary and insurance: glass at 1.4 W/m2K, 1.44 square metres, a 12 degree inside-outside gap and eight night hours. The bare pane is about 0.19 kWh a night on that crude sum. A closed shutter cutting about 24 percent of the flow leaves 0.15 kWh and saves about 0.05 kWh a night, only while it is down. Open it when you want winter sun.
East Anglia can be bright and cold. Closing at dusk is the habit worth demonstrating at handover. For External shutters, burglary and insurance, that is a reason to show the household the curtain coming down at dusk during handover, not only the summer close. A timer left on a July clock will be wrong after the clocks change. Someone has to own that five-minute job.
What would cancel the order
Stop External shutters, burglary and insurance if the solar panel would sit in a soffit with no sky, and the quote has no wired alternative. A photograph is not a manufacturing size.
Do not put a retrofit box on a street that the council already protects, and then act surprised. Applied to External shutters, burglary and insurance, the practical bias is to shade the rear glass that overheats and to leave a protected street front alone. A made-to-measure curtain is a bad thing to own if the next letter tells you to take it off.
What to do with this note
External shutters, burglary and insurance is a long note because the decision is a pile of smaller ones: which pane, which side of the glass, which box the wall can carry, whether anyone may refuse the look, and whether you will actually lower the curtain. The 1.2 by 1.2 metre example, the wired motor, and the £1,479 illustration are there so those decisions have numbers attached. They are not an order form.
Take the openings that hurt into a survey. Leave the ones that do not. Ask the fitter to repeat the brief in a sentence you recognise. If they cannot, you are being sold a range rather than a remedy. Compare the next quote against the slat, the drive and the exclusions, not against a single bold total.
Keep the summer close and the dusk close as separate habits. External shutters, burglary and insurance fails if the hardware is perfect and the curtain stays in the box. It also fails if you fit it on a front the council will make you remove. The successful version is smaller than a whole-house fantasy and more specific than an advert for German streets.
Questions worth asking the fitter
Will a shutter stop a burglar?
While it is locked down it removes the easy glass entry and delays a more determined attempt. Pair it with ordinary locks for the hours the glass is uncovered.
Do insurers require a certificate?
Some commercial policies and some specified premises do. Ordinary home policies often just need to be told. Ask your insurer with the product name in front of you.
Is a cheap roller the same as a security shutter?
No. Thermal foam curtains, extruded security curtains and vision shop shutters are different builds. Compare the profile, not the word shutter.