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24/7 · EX1 · DBS checked engineers

Lock Upgrade in Exeter, Devon

Our Exeter engineers handle lock upgrade across Exeter from the city centre to outer districts. Available 24/7 with no call-out fee; 28-minute average arrival. No surprises on price.

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28min Avg response
£0 Call-out fee
24/7 Availability
11yrs Trading

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Local context

Why lock upgrade callouts are common in Exeter

Lock upgrade callouts in Exeter split roughly between two triggers: insurance letters asking homeowners to confirm their locks meet BS3621, and post-incident concern after nearby break-ins. On modern new-build houses on the city fringe, the typical upgrade covers the mortice deadlock on the front door and a 3-star anti-snap cylinder on any UPVC or composite doors.

A consistent finding on Exeter security surveys is UPVC door issues on newer builds — wear that isn't a failure yet but represents a real risk. Rather than wait for the mechanism to fail, we quote the upgrade on the spot. The compliance pack we issue on completion is commonly accepted by insurers as evidence of upgraded hardware.

How it works

When you call us for lock upgrade in Exeter

  1. You describe the current locks and the trigger

    We ask what locks are currently fitted (brand, age, whether BS3621-rated), and what prompted the upgrade — insurance requirement, moving in, post-incident, or planned improvement.

  2. We book a survey

    Most Exeter upgrade work is booked for a scheduled visit rather than emergency. Same-day or next-day appointments are the norm; weekend slots available without surcharge.

  3. Full door survey and upgrade report

    Engineer surveys each external door and identifies which locks meet current standards, which need replacement, and which can be upgraded in place. Fixed quote covers every recommended change.

  4. Fit, test, full paperwork pack

    All new locks fitted to BS3621 or 3-star anti-snap where applicable. On completion you receive a written record listing every lock, its standard, and any guarantees — suitable for your insurance file.

Situations we handle

Common lock upgrade situations in Exeter

Insurance requirement — BS3621 upgrade

Homeowner in Exeter notified by their insurer that BS3621 locks are a condition of cover. On modern new-build houses on the city fringe, this typically means upgrading the mortice deadlock on the front door and checking the rear door meets the same standard. We often find UPVC door issues on newer builds during the survey and flag it.

Our approach Survey all external doors; upgrade each to BS3621 or 3-star anti-snap as applicable; issue written compliance pack for the insurer.

Post-incident security review

Attempted break-in or a near-miss has prompted a full review. On student properties near the University of Exeter in Exeter, this means surveying every external door and window, identifying weak points (standard euro cylinders, worn mortice cases, missing hinge bolts), and specifying a layered upgrade.

Our approach Layered approach — cylinder grade + mortice grade + reinforcement hardware (London bars, hinge bolts); quoted as one package.

The compliance pack below is what leaves with every Exeter upgrade — the record your insurer will ask for.

Paperwork

Inside the insurance compliance pack

Locks4All — Security Upgrade Record

Issued on completion · Signed by attending engineer

  • Every lock fitted, listed by door and position
  • Standard each lock meets (BS3621 / TS007 3-star / equivalent)
  • Brand, model, and kitemark reference number
  • Date fitted, engineer name, and company registration
  • Photograph of each fitted lock with a visible timestamp
  • 12-month parts and labour warranty confirmation

Standards

The two standards your insurer requires

BS3621 and TS007 3-star — which applies to which door, and why both matter

BS3621 — the wooden door standard

BS3621 is the British Standard for mechanical thief-resistant locks on timber final-exit doors. It covers the full lock case — mortice deadlock or sash lock — and requires resistance to picking, drilling, and leverage attacks. The kitemark must appear on the forend of the lock case itself. A BS3621-kite-marked euro cylinder retrofitted to an un-kite-marked lock case does not meet the standard. Both parts must carry the mark.

TS007 3-star — the UPVC and composite standard

TS007 is the test standard for euro cylinders on UPVC and composite doors. A 3-star rating means the cylinder has passed anti-snap, anti-pick, anti-drill, and anti-bump tests. The third star specifically covers the anti-snap section — the most common attack on UPVC doors. Without 3-star, a standard cylinder can be snapped quickly with basic hand tools, bypassing the multipoint entirely.

Why both are needed — not one or the other

Most UK homes have both a timber front door and a UPVC rear or side door. BS3621 covers the timber door; TS007 3-star covers the UPVC. Upgrading only one leaves the other as the weak entry point. We survey all external doors in one visit, quote each upgrade, and let you prioritise — though for many policies both standards are referenced, and the distinction can matter when raising a claim.

University-adjacent HMOs in Pennsylvania and Newtown fit 3-lever mortice locks on bedroom doors with shared-use nightlatches on communal front entrances

Pricing

What affects the price in Exeter

Lock Upgrade pricing in Exeter starts from £79. Every job gets a fixed quote on site before any work starts — the quoted price is the price you pay, no call-out fee, and no VAT added on top.

What moves the price

  • 01

    Number of doors

    Single-door upgrades are cheapest; whole-house packages get a discount.

  • 02

    Target standard

    BS3621 is the baseline; 3-star anti-snap adds cost; high-security brands (Mul-T-Lock, ASSA) are premium.

  • 03

    Reinforcement hardware

    Hinge bolts, London bars, and strike plate upgrades priced per door.

  • 04

    Smart layer

    Smart overlays priced separately from the mechanical lock — compatible with most major brands.

Typical Exeter examples

  • Single door BS3621 upgrade £135–£195

    Mortice deadlock upgraded to BS3621 on one door, insurance paperwork included.

  • Whole-house standard upgrade £320–£520

    Front + rear door upgraded to BS3621 and 3-star anti-snap, hinge bolts where needed, full paperwork.

  • Security layered package with smart lock £480–£780

    BS3621 mechanical upgrade plus smart overlay on the front door. Commissioning and training included.

Lock Upgrade in Exeter — FAQ

Common questions about lock upgrade in Exeter.

What's the difference between BS3621 and 3-star anti-snap?

They cover different hardware. BS3621 is the standard for mortice deadlocks on wooden doors. 3-star anti-snap (TS007 3-star) is the standard for euro cylinders on UPVC and composite doors. A typical Exeter home needs both — BS3621 on the wooden front door's mortice, 3-star on any UPVC/composite cylinder.

Can I upgrade without changing the locks entirely?

Sometimes — if the existing cylinder is a standard euro profile, we can fit an anti-pick/anti-drill kit or replace with an anti-snap cylinder while keeping the lock case. BS3621 mortice upgrades usually require a new case, but rarely a new door.

How do I know if my current locks meet BS3621?

The BS3621 kitemark is stamped on the forend of the mortice case — it's the British Standard logo with the BS3621 number beneath. If you can't see it, the lock almost certainly isn't rated. In Exeter, we survey your doors on arrival and confirm which locks comply before quoting any upgrade.

Will my insurer accept the upgrade?

Yes — we issue a written compliance record on completion listing every lock fitted, its standard, and the date. This format is commonly accepted by UK home insurers. If you need the record in a specific format for your insurer, mention it during the survey and we'll match their requirements.

Also in Exeter

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Also nearby

Areas near Exeter
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Our engineers don't just cover Exeter — we serve the surrounding towns and neighbourhoods too. If you're just outside Exeter, we can still reach you fast.

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24/7 dispatch across Exeter and the EX1 area. Fixed quote before work starts. No call-out fee.

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