Chimney Repairs · Wallington SM6
Chimney Repairs In Wallington
Is the damp on your Wallington chimney breast coming from the stack outside?
Flashing, flaunching, pointing and lead repairs to the shared stacks on Edwardian and 1930s semis
Most of the semis around Manor Road, Woodcote Green and Wallington Green were built with at least one chimney, and on a hipped roof that stack often rises through the slope or straddles the party wall with next door. Wallington is low and fairly sheltered, so stacks here are rarely blown about the way they are on the Downs. What gets them is water that stays still. Rain running down a clay tile or slate slope meets the back of the stack, gathers in a narrow lead gutter with almost no fall, and waits for a crack. Damp then shows up on a chimney breast, often in a bedroom you thought was nowhere near the roof.
Chimney Repairs quote in Wallington
Four details and somebody will come and look at it. There is no charge for the visit, no obligation afterwards, and if the answer is that your roof is fine, that is what you will be told.
The people behind it
Two people who know your stack
A chimney shared with the house next door can mean more phone calls than most roof jobs. That is easier when the firm has two people in charge who both follow it. John and Mark own Roof Repairs Croydon, a family concern, and they are brothers who say they do their best work as a team.
Between them they quote the job, keep an eye on the team and see the repair through to the end. If John is up a ladder when you call, Mark will normally answer, and the other way round. They trust each other, so a decision does not wait for both to be in one room.
1,000+
Roofs put right
10 year
Written workmanship guarantee
£0
To have somebody come and look
Repair first
Replacement is the last resort
Chimney faults that show up on Wallington houses
Some of these you can see from the pavement with a phone camera zoomed in. Others only appear indoors. Here is what each usually points to.
A damp patch on the chimney breast that grows in wet spells
Water is getting into the stack above the roof and running down inside the brickwork. Cracked flaunching, open joints or a failed back gutter are the usual entry points.
Moss or a little wet line along the uphill side of the stack
That is the back gutter holding water. Debris has built up, or the lead was laid nearly level, so rain sits against the brick instead of being turned round the sides.
Mortar fillets cracked where the stack meets the tiles
Older stacks were often sealed with a sand and cement fillet instead of lead. These shrink, crack and let water track straight down the side of the chimney.
Pots leaning, or bits of mortar in the gutter
The flaunching round the pots has broken up. Once it goes, rain gets into the top of the stack and the pots lose what was holding them.
What a chimney repair with us covers in Wallington
The back gutter looked at first
On sheltered, low-lying roofs this small lead tray behind the stack causes more leaks than the brickwork. We clear it, check its fall and reform or replace it where it is holding water.
Proper lead in place of cement fillets
Where an old fillet has cracked, we cut it out and fit stepped lead flashings and soakers, chased into the joints and wedged so they stay put.
Neighbours kept in the loop
Many Wallington stacks are shared between a pair of semis. We tell you early if the work affects next door, so it can be talked through before any scaffold goes up.
Mortar suited to the brick
Edwardian brick often wants a softer, lime-based mix. Interwar stacks may take something different. The wrong choice can trap water in the brick, so we match it.
Old fireplaces kept dry
An open pot over a fireplace nobody lights is a rain funnel. A ventilated cap keeps water out and still lets air move through the flue.
Guaranteed for ten years
Our workmanship guarantee covers the repair for ten years, in writing, with photos of the finished stack.
Why Wallington chimneys leak from the uphill side
A chimney is a brick column punched through a sloping roof, and every drop of rain landing above it has to be steered around it. On a hipped Edwardian or interwar roof, the stack often sits partway down a slope with a good run of tiles feeding water towards it. That water arrives at the back gutter, which is meant to be a tiny channel with a fall to each side. In practice many of them have settled flat or filled with leaves and grit. Wallington does not get the wind that would blow some of that debris clear.
So the chimneys here tend to fail slowly and quietly. Frost and driven rain matter less than on high ground. Persistent damp matters more. Water sitting in a shallow back gutter finds a nail hole or a split. Mortar that never dries out softens over the years. And a stack nobody has lit a fire in for decades stays cold and wet right through, which is why the patch on the chimney breast often looks worse every spring.
"When we trace a Wallington chimney leak, the back gutter is guilty far more often than the brickwork, and it is usually full of what the roof has shed over the years."
From chimney repairs enquiries in Wallington handled by Roof Repairs Croydon
How we repair a chimney in Wallington
Tell us what you can see
Where the damp shows indoors and a zoomed photo of the stack from the road or garden. That lets us tell flashings apart from flaunching before we visit.
A free look, outside and in
On the roof we start at the back gutter and work round the lead to the pots. Up in the loft, damp marks on the brickwork show us the path the water is taking.
Access agreed
We work out whether ladders and a roof ladder will do or a scaffold is needed, and whether it would stand on a neighbour's side of a shared stack.
Itemised written price
Back gutter, flashings, repointing, flaunching, caps and access each listed. If the stack is shared, we explain any party wall point before you agree.
Work carried out
Debris cleared, lead reformed or replaced, cracked fillets cut out, joints raked and repointed, and pots rebedded in fresh flaunching shaped to shed water.
Photos and handover
Pictures of each face of the finished stack, the roof left clean and the ten year guarantee handed to you in writing.
The 10 year guarantee, and why it is safe to offer
Promising a roof will stay dry is easy. What counts is what happens if it does not. Work booked through Roof Repairs Croydon carries a 10 year workmanship guarantee, on paper, handed to you on the day and written in language you can actually read. The slates, tiles, lead, mortar, membranes and rainwater goods carry their own manufacturer cover on top of that. It varies by product, so you get told which cover applies to your job rather than one headline number that would be wrong on most of them.
Here is the reason a guarantee like that is not a risk. Repairs come back for one reason above all others: the fault was never found in the first place. Somebody went up, saw a stain on the ceiling below, mended whatever looked worst directly above it, and left. Water does not cooperate with that approach. It lands on a slate, runs under it, drops onto a rafter and travels along the rafter before it finds anywhere to fall. On a wide hipped roof in Sanderstead or Shirley that can be five metres from where it came in.
Find the entry point and the repair holds for years. Miss it and no amount of guarantee wording helps anybody. That is why the survey happens before the price, and it is why, if the same water finds its way back into your house inside the guarantee period, putting it right costs you nothing.
10 year
Workmanship guarantee
1,000+
Roofs put right
Covered
Public liability insurance
Per product
Maker's own warranty
What a sensible chimney quote should tell you
Does it mention the back gutter?
On Wallington roofs this is a prime suspect. A quote that only talks about repointing may leave the actual leak in place.
Lead or another fillet?
Replacing a cracked cement fillet with a new one buys a few years at best. Ask what will seal the stack to the roof and how it is fixed.
What about next door?
If your chimney is shared, ask who will speak to the neighbours and whether a party wall notice may be needed. Better to know before the scaffold arrives.
Repair the stack, or take it down?
Some Wallington owners with a disused chimney ask whether it should just come down. Here is how repairing it compares with removing it above the roof.
| Comparison point | Repair and keep | Remove to below the roofline |
|---|---|---|
| Leak cured | Yes, at the source | Yes, once the gap is tiled over |
| Look of the house | Unchanged | Roofline altered |
| Next door | Rarely affected | Shared stacks need agreement |
| Council check | Not usually needed | Worth checking with Sutton |
| Future fire use | Still possible | Lost for good |
| Cost | Usually lower | Higher, plus retiling |
Flat roof just below the stack?
If your chimney sits above a rear extension, water dripping off the stack can end up pooling on the flat roof underneath, and the two problems get mixed up. We explain that side on our page for flat roof repairs in Wallington, and one visit can cover both.
What chimney repairs cost in Wallington
Clearing a back gutter is a short job. Rebuilding a stack is not. These are the things that set where your repair lands between the two.
Scaffold or no scaffold
A stack on a low hip may be reachable with a roof ladder. One rising high above the ridge, or on the steep side of the roof, needs scaffold, which is usually the largest single cost.
How long the damp has been working
On the low, sheltered streets round Manor Road and Beddington Park, chimneys tend to stay wet rather than get blown dry. Where the back gutter has held water for years, the mortar below it is often soft and needs repointing too.
Lead versus patching
Fresh lead flashings and a new back gutter cost more than sealing a crack. They also last decades, where a sealant patch on the same spot may need doing again within a couple of winters.
Chimney Repairs in Wallington: questions
Do I need permission to remove or alter a chimney in Wallington?
Repairs in matching materials normally need nothing. Taking a stack down, or changing one people can see from the road, is a different matter. Speak to Sutton Council before you commit, since Wallington is in the London Borough of Sutton and Croydon cannot advise on it. Be more careful still in the Wallington Green or Beddington conservation areas. A stack you share with the other half of a semi brings in the Party Wall Act too, which may mean formal notice to next door.
Why does my Wallington chimney leak when the area is so sheltered?
Shelter helps with wind but not with water. On low ground, rain and debris collect behind the stack in the back gutter and sit there. Without wind to dry the brickwork, mortar stays damp for long periods and slowly softens. The leak is usually gradual, which is why it often shows as a growing patch on a chimney breast rather than a drip.
Our stack is shared with the house next door. Who pays for the repair?
It depends on the work and on what you agree with your neighbour. Often each side pays for its own half, or the owner who needs the work pays and the other agrees to access. Where the work affects the shared structure, the Party Wall Act may apply. We price both halves clearly so you have something concrete to discuss with next door.
Is it worth capping a flue we never light?
Usually, yes. An open pot on an unused flue lets rain straight down the inside of the stack. A vented cap keeps the rain out but lets air move, which stops condensation building up in the flue. We also check the flaunching around the pots at the same time.
Can you repair a Wallington chimney without scaffold?
Sometimes. A low stack near the eaves of a hipped roof may be safe to work from a roof ladder for small jobs like clearing the back gutter or rebedding a pot. Repointing a whole stack or replacing lead properly normally needs a scaffold platform around it. We will tell you which at the survey.
What Croydon homeowners say
From roads across the borough, once the ladders had gone.
"Damp patch on our landing ceiling for about three years. Two roofers had been out and both mended the tiles directly above it, and neither made the slightest difference. This chap spent twenty minutes in the loft with a torch before he even went outside, then showed me a photo of a split in the lead in the valley about four metres away from the stain. Fixed it in a morning. Three winters on and nothing."
"Water was coming down the front bedroom wall every time it rained hard and I had convinced myself the roof was finished. It was the gutter. Half of it had dropped so the water was sitting in the middle and going over the front rather than down the pipe. He reset the brackets and cleared the gully, charged me a fraction of what I had budgeted for, and told me the roof itself had years left. Could easily have sold me a new one."
"Ours is in the Chatsworth Road conservation area and I had no idea the rules on roof work here are stricter than the rest of Croydon. He knew straight away, explained what I could and could not do without an application, and did the repair in matching slate. That saved me a very awkward conversation with the council later on."
"Lost most of the ridge tiles along the back in a February gale. Rang in the morning, sheeted the same afternoon so the weather could not get in, came back the following week when it was dry and rebedded the whole ridge properly. Sent me photos of everything for the insurance without me even asking. The bill was exactly what the quote said it would be."
"Gutters had been overflowing under the trees for years and the fascia behind them had gone soft. What I appreciated was that he explained why the timber had rotted rather than just quoting to replace it, and pointed out the new soffits needed vents or I would end up with condensation in the loft instead. Nobody had ever mentioned that to me before."
Had us out to your roof?
Two minutes writing a review does more for a small local firm than any amount of advertising, and it helps the next person in Croydon work out who to ring.
Things to do in Wallington
Three local places to visit once the scaffold is gone.
Beddington Park
The former Carew deer park on Wallington's northern edge, about 58 hectares, with the River Wandle running to a lake, woodland paths, playing fields and a cafe.
View on Google Maps - Beddington Park
Carew Manor
A manor house whose Great Hall, dating from around 1550, still has its hammerbeam roof. There is also a Grade II* dovecote from the 18th century in the grounds.
View on Google Maps - Carew Manor
Little Holland House
An Arts and Crafts house a short way south-west, which Frank Dickinson designed, built and filled with his own furniture and metalwork. It opens on first Sundays.
View on Google Maps - Little Holland HouseWallington on the map
Wallington is a short drive from us, about 12 minutes. For chimney alterations, remember Sutton is the council, not Croydon.
Areas we cover
Wallington is one of a ring of towns we cover from South Croydon. Pick yours from the list below.
Chimney Repairs by town
Chimney breast getting damp in Wallington?
Photograph the stack and the stain indoors and send both, or simply phone. The survey is free. We trace the water to its way in, then put the cost on paper so you can decide in your own time.