Greater London · England
Haverstock Gutter Sealing
Gutter sealing for Haverstock, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.
- Earlier gutter repairs that have peeled off
- Streaks down the brickwork from a leaking joint
- End caps that drip every time it rains
How the visit works
Our applicators work methodically: protect, prepare, seal, tidy. Typically it takes a few hours, depending on the number of joints and the access. Many London jobs are in flats, so we come ready for stairs, narrow hallways and shared entrances. If the building has a concierge, managing agent or access rules, tell us when you book.
- First we trace the drip and check the gutter isn’t damaged.
- We remove the old sealant and clean the joint.
- We dry the joint so the new sealant can bond.
- A gutter sealant is applied to the joint.
- The gutter is checked and debris around the joints cleared.
Before we arrive
- Let us know about earlier repairs to the joints
- Tell us about any water getting in
- Mention any parking rules near the property
Getting a quote
Getting a quote is simple: let us know the job and the location and its rough size. A few photos by email make the job easier to understand, and we will come back to you with a quote.
Read more
About our gutter sealing in Haverstock
Failed sealant round a garage door frame lets rain blow in. We cut out the old sealant and reseal the frame with an exterior sealant. We work on soffit joints, roofline trims and gutter joints, and the jobs we see most are end caps that drip every time it rains and failed sealant on a garage door frame.
Working on the outside of a London home means planning access: shared paths, upper floors and parking. For a home in Haverstock, tell us how high the joints are and how to reach the back of the building.
All of our work is guaranteed for twelve months.
- Location
- Haverstock (NW3, NW5, NW1)
- Region
- Greater London
- Cover
- One year on every job
- Quote
- A clear price before any work starts
- Telephone
- 0345 464 0079
- Page updated
- 26 October 2026
Different surfaces, different methods
Gutter joints
Joints between gutter lengths are the most common leak point. They’re cleaned out, dried and resealed.
Soffit joints
Soffit joints are sealed in a colour to suit.
Haverstock buildings and the weather
Compared with the north and west, the South East gets less rain, but outside sealant still needs a dry, clean surface, so outdoor work is planned around the forecast. In terraces and conversions, gutters and walls are often shared with the neighbours, so check who is responsible for the outside before booking.
Homes close to Church of St Mary the Virgin include some older properties, and older walls, gutters and the joints where extensions meet them need a flexible sealant. If you let a flat or house near South Hampstead station, a gutter joint that drips onto the wall can turn into a damp complaint, so it’s worth checking.
Haverstock is about 1 mile south-east of Hampstead, in Greater London. From the centre of Haverstock to the outskirts, we cover gutter sealing for every kind of property, from flats and houses to offices and hotels. 764 places in Greater London are on our list, from the larger towns to small villages.
Jobs for gutter sealing in NW3, NW5 and NW1 is quoted and booked the same way as anywhere else. We cover properties on Eton Road, Lawn Road and Ornan Road. Other places close to Haverstock include Belsize Park (1 mile north), Primrose Hill (1 mile south), South Hampstead (1 mile west), Swiss Cottage (1 mile west) and Chalk Farm (1 mile east). Further out, we also cover London (4 miles south-east), Kensington (4 miles south-west), Shoreditch (4 miles east), Walthamstow (7 miles north-east), Hoxton (3 miles east) and Whitechapel (4 miles south-east).
Around Haverstock
Typical jobs here are in homes near Cecil Sharp House, Primrose Hill and St. Mary's Town and Country School, among other places. Other local landmarks include St Paul's Church of England Primary School (under half a mile south) and The Washington pub (less than half a mile north). For rail, the closest station is South Hampstead station, roughly 0.7 miles west. Well-known places in the area include Wellington Hospital (0.9 miles south-west) and Isokon Gallery (0.5 miles north). Open spaces near Haverstock include Adelaide Nature Reserve and Primrose Hill.
What we are called out for in Haverstock
Gutter joints rely on seals that age. Temperature changes make gutters move and that movement opens up tired joints.
Keep an eye out for these signs:
- Garage door frames letting rain in
- Dripping gutter ends
- Old gutter sealant that has let go
- Streaks down the brickwork from a leaking joint
Managing a site like Fine Arts College? Then larger buildings have long runs of movement joint that eventually need resealing.
Questions to ask before booking
- What happens if they find a problem under the old sealant
- What product goes in the joint
- Whether VAT is included
- How much experience the applicator has
Honest limits
Some problems need a builder, plumber or other trade rather than us:
- Boards that have decayed or split
- Blocked downpipes
- Problems with the roof covering
Not sure which it is? You can call 0345 464 0079 or email us and we’ll tell you honestly before booking.
Where we work in Haverstock
- Gutter joints
- Garage door frames
- uPVC fascias
- Gutter end caps
- Roofline trims
- Soffit joints
Looking after it afterwards
No joint lasts for ever, but care makes a real difference. Our tips:
- Get leaks sealed before the wet months
- Keep downpipes clear
- Look at the gutters while it’s raining
- Clear leaves and moss from the gutters
A sagging gutter needs its brackets checked. If it drops, the joints will open.
Rain getting in round a garage door frame can damage what’s stored inside. A reseal sorts it while the frame is sound.
Leave it or put it right?
New gutters cost far more than a few resealed joints. Where the gutter is in good order and only a joint leaks, resealing is the sensible fix. If it has failed, we’ll tell you. In a flat in Haverstock, failed sealant seldom stays inside your own four walls: water from a shower or window joint can reach the flat below, and gaps in fire-stopping matter to everyone in the building.
Homes and businesses are quoted the same way: the amount of work, the access and the products needed, along with when we can work on site. Ask us for a quote and we’ll go through it with you.
Why Haverstock clients choose us
- Sealant colour chosen to suit
- Arbo and Everbuild products
- Fully insured
- Over 20 years’ experience
See our cost guide and customer reviews.
Can I do it myself?
The biggest DIY mistake is sealing over old sealant. Silicone doesn’t stick to old silicone, so it peels away and traps moisture behind it. Everything old must be removed first.
A careful DIYer can reseal a simple joint, such as a straightforward joint indoors. The common mistakes are sealing over old sealant, sealing a damp joint and using far too much.
Nearby places to Haverstock
Other services in Haverstock
Questions from Haverstock
Is parking a problem for a job in Haverstock?
Parking in Haverstock, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day run more smoothly.
I let a flat near South Hampstead station. Can you help?
Yes. We work for landlords and letting agents as well as householders. You can ring 0345 464 0079 or send us an email with the details for a clear quote.
When is the sealant fully cured?
Different products cure at different speeds, so follow the cure time we give you.
Which products do you use?
Products from Arbo and Everbuild, among others, picked for each joint. We explain the product when we quote.
Do you do commercial work?
Yes. We work in offices, washrooms, hotels and other commercial premises. Working times can be discussed when we quote.
Is sealant enough for a gutter that has dropped?
Sealant won’t hold a sagging gutter. A gutter installer needs to refix it, and we will tell you if that’s what we find.
Where is Mr Mastic based?
We work from Crawley. We cover Haverstock and the rest of Greater London, along with the rest of our area.
How long does the job take?
Most jobs take anything from an hour or two to a few hours. We will confirm how long when we quote.