SW12

Roofers in Balham, SW12

Roof repairs, parapet and coping waterproofing and flat roof work across SW12, on the Edwardian terraces, mansion flats and conversions between Balham High Road and Wandsworth Common. Free survey, 10-year workmanship guarantee.

Book a free survey Call 07593 196505

Who decides, and who pays, on a Balham roof

Balham is largely a late Victorian and Edwardian suburb that has since been carved into flats, and that division is the single biggest factor in how a roof job runs here. On a whole house you decide and you pay. In a Balham conversion, the roof, the parapet and the external walls are usually shared, the lease decides who is responsible, and the freeholder normally has to agree before anyone goes up.

K & M Roofing Solutions covers SW12 in full, from the terraces along Balham High Road out to Bedford Hill, Boundaries Road, Nightingale Lane and the streets running towards Wandsworth Common and the edge of Clapham Common.

The second thing worth knowing before you plan anything is that Balham sits mostly outside formal conservation areas, which leads a lot of owners to assume they can do what they like with a roof. Wandsworth Council has made Article 4 directions covering many streets here, and those directions remove permitted development rights whether or not the street is in a conservation area. It catches people out regularly.

Freeholders and managing agents asking us to evidence who we are usually start with our Google Business Profile, which carries the company address, the phone numbers and the reviews. The rating there is 5.0 from 60 reviews.

Two building periods and one big intervention

Balham is dominated by two building periods and one later intervention: Victorian, Edwardian, and the conversion of both into flats.

The Victorian terraces along and behind Balham High Road are the older layer, and on this stock the back of the house is almost always more complicated than the front: a two-storey outrigger, a lower flat-roofed addition behind it, and a side return that has been filled in at some point since. Behind them the Edwardian expansion takes over, wider and better lit, with the bay roofs, clay tile and roughcast detail typical of the period. The Edwardian semi-detached houses on Boundaries Road are a good example of that stock in its intact form.

Around Nightingale Lane and out towards the Clapham Common edge the houses get larger and are more often still in single-family use, which changes the roofing conversation entirely: one owner, one decision, no lease.

The mansion flats and purpose-built blocks around Bedford Hill and Wandsworth Common are the third group. Along with the many house conversions, they account for most of the shared-roof work we do in Balham, and they are the reason so many SW12 jobs start with a question about who is allowed to instruct them.

Local faults

What actually leaks on a Balham house

Three faults account for most Balham callouts, and two of them are at the top of a wall rather than on the roof.

Parapet walls and coping stones

This is the defining Balham roofing fault and the reason a lot of SW12 damp gets misdiagnosed as a roof leak. We waterproofed the coping stones and parapet wall on a Balham property for exactly this reason: water was entering at coping level, crossing the wall and appearing well below where it went in. On the Victorian and Edwardian stock here the copings are usually original, the joints are open, and there is frequently no damp proof course under the stone at all.

Hidden gutters behind the parapet

Where a Balham terrace has a parapet, the roof drains into a concealed gutter behind it rather than over an open eaves edge. That gutter has one job and no margin: block it and the water has nowhere to go but up against the parapet and into the building. On a converted house it is also nobody in particular who is responsible for it, which is why these are so often found full.

Coverings that have simply run out

A large amount of the roof covering in SW12 is now at or beyond the end of its service life, and the failures come in a cluster rather than one at a time. When a Balham owner tells us they have had three separate leaks in two years, that is usually not bad luck. It is a covering that has finished, and continuing to patch it costs more over five years than dealing with it properly once.

Perished flashings and abutments

The junctions between a Balham roof and everything it touches, the chimney, the party wall, the back addition, the neighbour, are where the old lead and mortar have usually gone first. On a terrace these details are shared with the house next door, which is why we look at the abutment from both sides rather than sealing our side and hoping.

Shared responsibility that nobody has read

On a Balham conversion the practical fault is often administrative rather than physical. The leak is real, the repair is simple, and nothing happens for six months because the leaseholder, the freeholder and the other flats are each waiting for someone to establish who pays. A survey that states plainly what failed and where usually unlocks it faster than another round of correspondence.

Article 4 in Balham, even outside a conservation area

Most of Balham is not in a conservation area, and that is exactly why the Article 4 position surprises people. Wandsworth Council has made Article 4 directions covering many SW12 streets, and an Article 4 direction removes permitted development rights on its own, independently of any conservation designation.

What that means in practice is that the assumption "my street is not protected, so I can do what I like with the roof" is wrong on a good number of Balham addresses. Work that would need no application in the next borough may need a full planning application here.

The distinction that matters is between repair and alteration. Replacing a failed covering like for like, repointing a parapet, renewing flashings or waterproofing coping stones is maintenance and is not affected. Adding a dormer, converting a loft, changing the roof material or altering the roofline is alteration, and that is where the Article 4 position bites.

Check your own address with Wandsworth before you commission drawings for anything that changes the shape of the roof. On a converted flat you have a second permission to obtain as well, because the freeholder normally has to consent regardless of what the council says.

What we do here

Where we spend our time in SW12

These four cover most of what SW12 buildings actually need.

Flat roof repair and waterproofing

Rear additions, side returns and the flat roofs behind Balham parapets, including correcting falls and outlets rather than sealing over a dip.

More about flat roof repair and waterproofing

Liquid applied waterproofing

A seamless cold-applied system is well suited to Balham parapets and copings, because the top of the wall, the joints and the junction with the roof can be treated as one continuous layer with nothing to lap.

More about liquid applied waterproofing

Pitched roof repair and re-roofing

Slate and tile repairs, ridge and hip re-bedding, chimney flashings and abutments on the Victorian and Edwardian terraces either side of Balham High Road.

More about pitched roof repair and re-roofing

Maintenance for landlords and agents

Balham has a lot of converted and let property, so we quote each job from what the survey found and issue dated photographs after every visit for the service charge account.

More about maintenance for landlords and agents

We also cover roofing in Clapham, next door to Balham.
We also cover roofing in Wandsworth, next door to Balham.
Outside SW12? See every area we cover.

Knowledge

Roofing in Balham: common questions

Your lease decides it, and on most Balham conversions the roof and the external walls sit with the freeholder rather than with any one flat. The top-floor leaseholder is usually the one who notices the leak and the one who is least likely to be responsible for fixing it. Read the demise and the repairing covenant in your lease before you spend anything. We are happy to survey and report in a form you can send straight to the freeholder or the managing agent, which in our experience moves things along faster than another letter.

No, repairs are not affected, but alterations are. An Article 4 direction removes permitted development rights, and permitted development is about changing a building rather than maintaining it. Renewing a failed covering, repointing a parapet, replacing flashings or waterproofing copings is repair and carries on as normal. A dormer, a loft conversion, a change of roof material or anything that alters the roofline is where the direction applies, and Wandsworth has made these directions on many SW12 streets that are not in a conservation area at all.

Because the copings on this stock are usually original, the joints between them have opened, and there is often no damp proof course underneath them. A coping is horizontal, fully exposed and moves with every temperature swing, so its joints fail long before the roof covering does. Once water is past the coping it enters the core of the wall and travels, which is why the damp patch inside is rarely below the actual entry point. That is the job we did in Balham: waterproofing the copings and the parapet as one continuous detail rather than sealing the visible crack.

Yes, we cover the whole of SW12, including Balham High Road, Bedford Hill, Boundaries Road, Nightingale Lane and the streets running towards Wandsworth Common. Active water ingress comes ahead of planned work in the diary, so phone rather than email if it is coming in now. Everything else gets a reply within one working day and a free survey booked around your access, which on a converted flat usually means agreeing a time with whoever holds the keys to the top floor.

Probably not, and repeat leaks in different places are the signal. One leak is a defect. Several in different positions within a couple of years usually means the covering has reached the end of its life and is now failing generally rather than at one point. At that stage each patch buys less time than the last, and the cumulative cost overtakes doing it properly once. A survey should tell you which of the two situations you are in rather than selling you the next patch either way.

Free on-site estimate

Need a roofer in Balham?

Send us your SW12 address and what you have noticed. The survey is free, and if the honest answer is that you do not need the work, that is what the report will say.

Request a free survey office@kmroofingsolutions.uk

Kamil07593 196505

Mateusz07544 188268