If you have a failing chimney stack at your Barnham Broom property and a take-down is booked or planned, there are practical steps you can take to protect your home in the meantime, and some things that are better left to the professionals.
A chimney stack does not usually fail all at once. What tends to happen is that a homeowner notices damp on a ceiling, a chimney pot that has shifted, or mortar falling from the stack onto the roof, and they realise the stack needs attention. A take-down may be the right answer, but there can be a wait before the work can be scheduled, scaffold hired, and the job completed. Knowing what to do in that gap - and what to avoid - can prevent a manageable problem from becoming a much larger one.
Before anything else, assess the situation from the ground. Use binoculars rather than going up a ladder. You are looking for:
A leaning stack or one that has suffered a partial collapse is an urgent safety matter. Falling masonry can damage the roof below it, block gutters, or in the worst case fall further. If the stack looks structurally unstable, contact a roofer promptly rather than waiting for your original appointment. The timescale for action changes if there is a real risk of a collapse.
There is very little that a homeowner can or should do to a chimney stack themselves without access equipment. From the ground, though, there are some useful steps.
Clear the area around the base of the house directly below the stack. Move garden furniture, pots, and any other items that could be damaged or could become a hazard if mortar or brick falls. This is basic precaution and costs nothing.
If you have a gutter running below the stack, check it for debris. Mortar fragments and old lime wash collect in gutters near failing chimney stacks and can block them quickly. A blocked gutter during heavy rain will overflow, and on some properties that means water against the wall below the window rather than safely away from the building. You can clear a gutter from a ladder at gutter height without going anywhere near the roof or the stack itself.
Inside the house, note any damp patches on the ceiling or the chimney breast wall and photograph them. Date the photographs. This gives you a useful record of how the problem progresses and helps any roofer you bring in to understand the timeline. A damp patch that was small in October and larger in December tells a clearer story than one noticed for the first time in December.
This is the more important section for most people. A chimney stack is a working structure at height, and the temptation to climb up and have a look, or to attempt a temporary fix, can lead to a much worse outcome.
Do not go on the roof. Most domestic roof tiles are not designed to be walked on without proper access equipment and knowledge of where to place your weight. A cracked tile that results from walking on the roof is an additional repair cost on top of everything else, and an unprotected fall from a roof is extremely serious.
Do not attempt to cap or wrap the stack yourself. Some homeowners try wrapping a tarpaulin around a stack or stuffing material into the flue opening to keep water out. A tarpaulin on a chimney stack that is not properly secured is a wind hazard. If it pulls free in a gust, it can catch on surrounding tiles, lift them, and create a new leak entirely separate from the original problem. It can also shift in a way that is difficult to spot from the ground, giving you false reassurance that the stack is protected when it is not.
Do not apply sealant or mortar from a ladder at gutter height. Chimney stacks are typically well above gutter level. Reaching up with a trowel or a sealant gun from a ladder that does not reach is both ineffective and dangerous. Work done at the wrong height, on material you cannot see properly, is unlikely to last and may make the proper repair more difficult when the roofer arrives.
Do not assume the fireplace is safe to use while the stack is failing. If the chimney is still connected to a working appliance - a wood burner, open fire, or gas fire with a flue - a structurally compromised stack is a ventilation concern. Have the appliance inspected before use, or stop using it until the stack has been assessed.
If there is going to be a significant wait between the inspection and the full take-down, a roofer can install a temporary chimney cover or cap that properly closes the top of the stack. This is done from scaffold or a properly positioned tower, not from a ladder, and when fixed correctly it will keep the worst of the water out of the flue until the take-down is completed.
A temporary lead patch over a lifted flashing can also buy time, though it is not a permanent solution and should be understood as exactly that. Ask your roofer what temporary measures are available and what they cost. On a job where a full take-down is already planned, a temporary cover is sometimes included in the overall scope if the wait is long enough to justify it.
When the work is scheduled, scaffold will be erected to give safe access to the stack and the surrounding roof area. The stack is taken down course by course to below the roofline. The surrounding tiles or slates are lifted or cut back where necessary to allow the roof opening to be closed properly. Lead, new tiles, or slates are then used to seal the opening and make the area weathertight, matching the existing roof covering as closely as materials allow.
Rubble is removed from the site. Inside the loft, the top of the remaining chimney breast is sealed to prevent cold air and moisture entering through the old flue void. The full job, from scaffold erection to rubble clearance, is typically done in a single visit for a standard single stack.
In mid-Norfolk, a single chimney stack take-down including scaffold, dismantling, roof make-good, and rubble removal typically costs in the range of £800 to £1,500, depending on the size of the stack, the type of roof covering, and the difficulty of access. Larger stacks or those requiring close matching of older tiles will sit at the higher end of that range or above it.
On the day the scaffold goes up and the work begins, a few simple preparations make the job run more smoothly and protect your property.
A good contractor will want to see the stack and the surrounding roof before committing to a price. The size of the stack, the condition of the surrounding tiles, and the access requirements all affect the cost and the method. A phone quote without a site visit is approximate at best.
We cover Barnham Broom and the surrounding mid-Norfolk area from our base in Dereham. Call us to arrange a proper assessment of your chimney stack, and ask for a clear, itemised price for the take-down before any work begins.
No obligation · We usually respond within 2 hours
Storm damage, active leak, damaged ridge - we aim to be on-site within 24 hours.
