Garden Gate Repair Guide

Repairing a gate promptly prevents further damage to the surrounding fence or brickwork. Whether it is a simple hinge replacement or a full post excavation, ensuring your gate is structural sound keeps your property secure and accessible.

What Does the Work Involve?

• Fault Diagnosis: Assessing the gate for timber rot, identifying "dropped" hinges, and checking the structural integrity of the gate posts.
• Hardware Replacement: Removing rusted or snapped hinges, latches, and bolts, and replacing them with heavy-duty galvanised alternatives.
• Structural Bracing: Adding a diagonal "cross-brace" to sagging timber gates to redistribute weight and prevent further dropping.
• Post Remediation: Digging out rotten wooden posts and installing new pressure-treated timber or concrete posts using rapid-set Post-crete.
• Timber Realignment: Planing down edges where the wood has swollen due to water absorption, ensuring the gate closes smoothly within the frame.
• Ground Clearance Adjustments: Re-hanging the gate or trimming the bottom edge to accommodate new paving or rising ground levels.
• Weatherproofing: Applying wood preservative or end-grain sealer to any fresh cuts to prevent premature rot.

Typical Costs

Pricing is largely influenced by the material of the gate and the extent of the damage. Hardwood gates or bespoke ironwork require specialist fixings and more labour time compared to standard pressure-treated softwood gates.

Always insist on galvanised or powder-coated hardware. Standard steel fixings will rust within a single UK winter, leading to unsightly streaks and eventual mechanical failure.

How Long Does It Take?

• 1–2 Hours: Replacing a latch, swapping out T-hinges, or minor planing of a swollen gate.
• 3–5 Hours: Digging out a failed post, setting a new one in concrete, and re-hanging the gate.
• Full Day: Comprehensive repairs involving multiple posts, heavy bracing, and hardware upgrades for a large driveway gate.

DIY or Professional?

Minor maintenance, such as oiling hinges or tightening loose screws, is a straightforward DIY task. However, if the gate has "dropped" because the post is rotting at the base, professional intervention is recommended.

Setting a gate post requires precision to ensure it is perfectly plumb; even a few millimetres of lean will cause the gate to swing open or refuse to latch. Professionals will also have the heavy-duty tools required to break out old concrete footings without damaging nearby underground services.

Choosing the Right Tradesperson

• Look for specialists in fencing, landscaping, or general carpentry.
• Check for a valid Waste Carrier Licence if they are removing old posts and concrete.
• Questions to ask:
  • Will you use Post-crete or a standard ballast/cement mix?
  • Are the new fixings galvanised or stainless steel?
  • Do you offer a guarantee on the gate's alignment for the first 12 months?
  • How deep will the new post be set into the ground? (Should be at least 600mm).

UK Regulations

• Planning Permission: Generally not required for repairs. However, if you increase the height, it must stay below 2 metres (or 1 metre if adjacent to a highway).
• Party Wall Act: If the gate post is attached to or sits on a boundary wall shared with a neighbour, you should inform them before commencing work.
• Listed Buildings: If your property is listed, you may need consent to change the style or material of the gate hardware.

Common Problems

• The "Sagging" Gate: Often caused by a lack of diagonal bracing. A brace should always run from the bottom hinge side to the top latch side.
• Rotten Post Bases: Timber posts often rot at the ground line where moisture sits. Using a "post shoe" or concrete post can prevent this.
• Latch Misalignment: As the ground shifts or the wood swells, the latch may no longer meet the strike plate. This often requires shimmed hinges rather than moving the latch.
• Hardware Corrosion: Cheap screws can snap inside the wood, making them difficult to remove. Always use high-quality outdoor-rated timber screws.

Frequently Asked Questions

Why is my garden gate sticking in the winter?

Timber is a natural material that absorbs moisture and expands during the wetter UK months. If the gate was fitted with tight tolerances in the summer, it will likely swell and stick in the winter; this can be fixed by planing a few millimetres off the leading edge.

Can I repair a gate post without digging it out?

If the post has snapped at the base but the rest is solid, you can use a "repair spur" (a short concrete post). This is bolted to the existing post and set in concrete to provide structural support without a full replacement.

How do I stop my gate from sagging?

Ensure the gate has a diagonal brace running upwards from the hinge side. For heavy gates, you can also install a "gate wheel" on the latch side or use a wire-and-turnbuckle anti-sag kit to pull the gate back into square.

Should I choose timber or metal gate posts?

Concrete or metal posts are more durable as they cannot rot. However, timber posts are often preferred for aesthetics; if choosing timber, ensure it is UC4-rated pressure-treated wood designed for permanent ground contact.

Do I need to treat the gate after it is repaired?

Yes, any areas that have been planed or cut must be treated with a high-quality wood preservative immediately. It is good practice to re-stain or oil your gate every 1–2 years to prevent water ingress and UV damage.