Greater London · England

Gutter Sealing in Merton Park

We cover Merton Park for sealing leaking gutter joints, end caps, fascias, soffits and roofline trims. Old material cut out, joints cleaned and sealed neatly.

  • Streaks down the brickwork from a leaking joint
  • Water dripping where gutter sections meet
  • Old gutter sealant that has let go

Gutter sealing for Merton Park homes and businesses

Gutter sealing for homes and businesses in Merton Park

We do not replace gutters, fascias or roofs. Sealant fixes joints and it can’t mend broken brackets, split sections or blocked downpipes. If you have drips from gutter joints and end caps and quick sealant fixes on gutters that didn’t last, we can put it right, on gutter joints, garage door frames and gutter end caps alike.

In London terraces and converted houses, gutters and walls are often shared with the house next door, so a leaking gutter joint or failed wall joint can affect more than one home. In a converted house in Merton Park, it’s worth checking who is responsible for the outside before booking.

Big or small, it’s backed by our one-year guarantee in Merton Park and across Greater London.

Applicator reaching up to seal an external door frame on a sunny day
Place
Merton Park (SW19, SW20, SM4)
Wider area
Greater London
Guarantee
A year, on every job
Quote
A clear quote up front
Call
0345 464 0079
Page updated
26 October 2026

DIY sealant or a professional job?

Some sealant jobs are within reach of a careful DIYer, like a short, easy-to-reach joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.

If you do try it yourself, take your time over the preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it doesn’t work out, we can still put it right.

Your questions about gutter sealing in Merton Park

Is Merton Park in your area for gutter sealing?

Yes. We work across London and the South East, and Merton Park is part of that. You can phone 0345 464 0079 or send us an email and tell us what needs doing, and we will give you a clear quote.

Do you work for landlords with property near South Merton station?

Yes, rental work is part of what we do. You can call 0345 464 0079 or send us an email with the address and a few details, and we will give you a fixed price before work begins.

Do you do commercial work?

Yes. Hotels, offices and other businesses use us and we’re fully insured.

Should I try DIY first?

Sometimes. The key is preparation: remove all the old material and work on a clean, dry joint. We can always put it right if it fails.

Is gutter cleaning part of the job?

Only around the joints we seal, so the sealant can bond. Cleaning the whole run is a separate job.

Will there be a smell?

Possibly a little. Any smell clears as the sealant cures.

Will it make a mess?

Very little: the area around the joints is protected first, and we tidy up before we go.

Can I add another job to the visit?

Yes. Just list everything you need and we’ll quote it together.

Keeping the joints in good condition

How long the joints last depends on use and care. Here’s what we suggest:

  • Do not lean ladders against the gutter itself
  • Sort out a dripping joint early
  • Check that water runs out of the downpipes
  • Watch the wall under the gutters for staining

A sagging gutter needs its brackets checked. If it drops, the joints will open.

A leaking garage frame lets water reach stored items. Resealing the frame is a quick job while the frame is sound.

How it works

Most of a good job is in the preparation, so that’s where we spend the time. Joints are cleaned back and dried before anything new goes in. All told, the work takes an hour or two for a few joints, longer for a full run. In a London area like Merton Park, the main things to plan are parking and access: let us know about parking, the floor we will be working on and any lift or shared entrance.

  1. We look at where the water is coming from and check the gutter is not broken or sagging.
  2. The joint or trim is cleaned out and old sealant removed.
  3. The area is dried so the sealant can bond.
  4. An exterior or gutter sealant is applied to the joint.
  5. We look along the gutter and clear debris around the joints.

Getting ready for the visit

  • Plan for the work area to be out of bounds to pets and children
  • On commercial sites, let us know about site rules
  • Tell us about any water getting in

Getting a quote

We don’t publish a price list, as no two jobs are quite the same. Instead, we give you a clear price for your job. To arrange one, call 0345 464 0079 or send us an email.

Ask for a quote

Advice

What sealant work cannot fix

A few problems are outside what sealant work can do:

  • Guttering that needs replacing
  • Downpipes that are blocked or broken
  • Fascias that need replacing

Not sure which it is? You can ring 0345 464 0079 or drop us an email and we will tell you honestly.

Where we work in Merton Park

  • Soffit joints
  • uPVC fascias
  • Garage door frames
  • Roofline trims
  • Gutter end caps
  • Gutter joints

What affects the quote in Merton Park

The quote reflects the job in front of us. We look at:

  • Any working-time requirements on site
  • Whether old sealant or filler has to be cut out
  • The type of sealant required
  • The number of rooms or windows

The cost depends on the amount of work, how much old material has to come out and how easy the joints are to reach. We give a clear quote before any work starts, so you know where you stand.

What to tell us for a quote

There’s no need for technical detail. Just tell us:

  • If someone has resealed it before
  • The address or postcode of the job
  • Access, such as stairs, a lift or height
  • Whether it’s a home or a business

A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is, and email photos if that’s easy.

Do you need gutter sealing in Merton Park?

Leaves and moss hold water in the gutter. Water that cannot drain works its way through a weak joint and leaks out.

The problems people usually mention when they call include:

  • Internal damp traced to a gutter joint
  • Wet patches on the wall under a gutter joint
  • Earlier gutter repairs that have peeled off
  • Trim joints where the sealant has failed

If you live in an older home near St Mary's Church, an extension built onto an older house moves differently, and the joint between them takes the strain.

Comparing quotes

  • How the surfaces are prepared before sealing
  • Which sealant they’ll use, and why
  • What insurance they hold
  • Whether they seal over old material or remove it

Our hiring checklist

Landlords, agents and businesses in Merton Park

From a single let to a portfolio, the work is the same standard: old sealant fully removed, joints prepared properly and a one-year guarantee.

Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.

Walls and rooflines in Merton Park

Historic houses like Southside House (about 1.4 miles west) are a reminder that the area around Merton Park has older buildings as well as new. In older buildings, older brick and stone need a sealant that suits them, at the right joint depth. London and the South East are among the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

For landlords with property near South Merton station, leaking gutter joints on a rental are best caught before they stain the walls. As a London address, Merton Park can be tricky for parking: let us know about parking bays, permits or a driveway.

Merton Park is about 1 mile south-east of Wimbledon, in Greater London. Anywhere in SW19, we can carry out gutter sealing at your property. We cover 764 towns and villages across Greater London, large and small. We also work in London, around 8 miles away.

We cover every part of SW19, SW20 and SM4 for gutter sealing. Gutter sealing is available to properties on Mina Road, Manor Road and Cecil Road. Other places close to Merton Park include Wimbledon Chase (1 mile west), Bushey Mead (1 mile west), Cannon Hill (1 mile south-west), Wimbledon (1 mile north-west) and Crooked Billet (1 mile north-west). Larger places within reach include London (8 miles north-east), City of Westminster (7 miles north), Marylebone (8 miles north), Kensington (6 miles north), St Pancras (9 miles north-east) and Shoreditch (10 miles north-east).

Local landmarks in Merton Park

Around Merton Park, our work takes us to homes and buildings near Wibbas Down Inn, Morden Hall Park and Wimbledon School of Art and the streets around them. For rail, the closest station is South Merton station, about 0.5 miles south of the centre. A little further out are St George's Hospital (1.6 miles north-east) and Southside Wandsworth (3.1 miles north). Not far away are Merton Park Green Walks and Henman Hill.

Map of Merton Park © OpenStreetMap contributors
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job