Made-to-measure security grilles · England, Wales, Scotland and Northern Ireland
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Grille lock replacement and upgrades · England

Grille lock replacement and upgrades in Durham

We arrange grille lock replacement throughout Durham for most makes of grille.

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Key in the cylinder lock of a black grille lock box
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How much should I budget for grille lock replacement in Durham?

Grille lock replacement and upgrades in Durham typically costs £150 to £354 including VAT (£125 to £295 plus VAT) per lock, supplied and fitted, depending on the lock type. The price is confirmed before work starts.

Grille lock replacement means fitting a new cylinder, lock body or complete lock box to an existing security grille. It is the quick fix for lost keys, worn or seized locks and moving into a property with unknown keys, and a chance to upgrade to a stronger or quick-release lock.

Work we can carry out

  • Upgrades to higher-security cylinders
  • Quick-release conversions for escape windows
  • Keyed-alike and master-key suites
  • Lock work on most grille makes
  • Additional shoot bolts top and bottom
  • Replacement cylinders and lock bodies

Covering Durham

We can arrange grille lock replacement anywhere in Durham, including Darlington and Hartlepool. Visit dates depend on engineer availability. Choose your town below for local details.

County Durham's stock is dominated by brick terraces in former colliery towns, alongside the listed historic core of Durham city and Teesside's commercial centres.

Typical reasons to book:

  • Lost or stolen keys
  • New occupants with unknown key holders
  • Worn, stiff or seized locks
  • Sites wanting one key for every grille

Towns in Durham

Things to think about

Keyed alike

One key for all grilles is convenient for homes and small shops.

Key control

Restricted key systems limit who can have copies cut.

Consents and safety: England

England

Grilles in rented homes

Landlords in England must keep rented homes free from serious hazards under the Housing Health and Safety Rating System, which includes fire. A grille that stops a tenant using an escape window can create a hazard, so grilles in rented homes should have keyless internal releases.

Bedroom and escape windows

Approved Document B (fire safety) expects many habitable rooms in houses, especially first-floor rooms, to have an emergency escape window with an unobstructed opening of at least 0.33 m², at least 450 mm high and 450 mm wide, with the bottom of the opening no more than 1,100 mm above the floor. We only fit grilles over escape windows with a release that opens from inside without a key.

How it works

  1. Send a photo of the lock
  2. Choose like-for-like or upgrade
  3. Fitting and testing
  4. Keys and handover

Grille lock replacement and upgrades in Durham: questions

Which towns in Durham do you cover?

We can arrange work anywhere in Durham, including Darlington, Hartlepool, Stockton-on-Tees, Durham and Chester-le-Street, and in other towns across the area.

Is a better cylinder worth it?

On a grille that is otherwise sound, a higher-security cylinder is an inexpensive way to raise resistance to lock attack.

I have lost my grille key. What can I do?

We can open and replace the lock so you have new keys and know who holds them.

Can you change a lock on a grille you did not fit?

Yes, on most makes, subject to compatible parts.

Other grilles in Durham

Use the form or call 0800 088 6248 to book.

Get a guide price for Durham

Tell us what you need in Durham and we will confirm the price before we attend.

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