Greater London · England

Hornsey Gutter Sealing

Professional gutter sealing in and around Hornsey, with old sealant always removed completely and a 12-month guarantee.

  • Earlier gutter repairs that have peeled off
  • Damp patches inside below a leaking gutter
  • Open joints in fascias and soffits

Need gutter sealing in Hornsey?

What affects the quote in Hornsey

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

  • Whether there’s mould to deal with
  • The number and length of the joints
  • The old material and how stubborn it is
  • How many areas need sealing

The cost reflects the work involved, not a rough estimate. That is why we ask about the job first and give you a clear quote before any work starts.

Asking for a quote

A few details help us give you an accurate quote. When you get in contact, it helps to mention:

  • If it’s domestic, commercial or a hotel
  • Pictures of the joints, sent by email
  • The problem you’ve noticed
  • The rough size of the job

Quotes start with a quick conversation. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you’re ready, phone 0345 464 0079 or drop us an email.

How we handle gutter sealing in Hornsey

We seal leaking gutter joints, end caps, fascia and soffit joints, along with roofline trims and garage door frames. It’s all about the joints rather than new guttering. If you have garage door frames letting rain in and damp on an inside wall under a dripping gutter, we can help.

Newer London blocks are built with movement joints in brick and render, and with cladding joints sealed with mastic. Period houses have different weak points, such as gutter joints, trims and the line where an extension meets the old wall, and both kinds of building are found across London.

Each job carries a 12-month guarantee, large or small.

Location
Hornsey (N8, N22)
Region
Greater London
Cover
12 months on all our work
Quote
Quoted before any work starts
Telephone
0345 464 0079
Updated
26 October 2026
Applicator reaching up to seal an external door frame on a sunny day

How it works

We bring everything the job needs with us, so there’s nothing for you to buy. After a quick look at the joints together, we protect the area and start. It normally takes an hour or two for a few joints, longer for a full run. In Hornsey, as in most of London, parking needs a little planning. A visitor permit or a nearby bay makes the visit run more smoothly.

  1. We start by tracing the leak and checking the gutter itself is sound.
  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.

Preparing for the visit

  • Mention any parking rules near the property
  • Try not to wet indoor joints just before the visit
  • Let us know about stairs, lifts or work at height

Ask for a quote

Want a quote for gutter sealing? Please phone 0345 464 0079 or send us an email and tell us about the job. We’ll explain what we’d do and give you a clear quote before we start.

Get a price

Advice

Walls and rooflines in Hornsey

Historic houses like Bruce Castle (about 2 miles north-east) are a reminder that the area around Hornsey 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. Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

If you look after a building such as St Mary's CofE Primary School, movement joints, cladding joints and gutters on larger buildings need the same care as a house’s. For landlords with property near Hornsey station, leaking gutter joints on a rental are best caught before they stain the walls.

Hornsey is about 3 miles east of Finchley, in Greater London. If you need gutter sealing in Hornsey, it’s easy to get a quote: please call 0345 464 0079 or email us. We cover Greater London from our Crawley base. Our Greater London coverage runs to 764 places, and Hornsey is one of them. Our London page covers work nearby (6 miles or so).

Every address in N8 and N22 is covered for gutter sealing, from the main roads to the quietest streets. Whether your property is on High Street, Brandon Place and Cross Lane or a nearby road, we can help. Other places close to Hornsey include Turnpike Lane (1 mile east), Crouch End (1 mile south-west), Stroud Green (1 mile south-east), Wood Green (1 mile north-east) and Noel Park (1 mile north-east). Further out, we also cover London (6 miles south), City of Westminster (5 miles south), Marylebone (5 miles south), Kensington (7 miles south-west), St Pancras (4 miles south) and Shoreditch (5 miles south).

Landmarks near Hornsey

Around Hornsey, our work takes us to homes and buildings near Great Northern Railway pub, Priory Park and Greek Secondary School of London, among other places. There’s a railway station in Hornsey itself: Hornsey station. Nearby you’ll also find Hornsey Central Hospital (0.7 miles west) and Broomfield House Museum (2 miles north). Open spaces near Hornsey include Darland's Lake and Highgate Hill.

Map of Hornsey © OpenStreetMap contributors

Leave it or put it right?

Leaving a leaking end cap can send water down the wall all winter. It’s a small job to put right compared with treating damp later. Damp from a failed joint spreads quietly in older London brickwork and timber, and once it shows in Hornsey, the repair is bigger than a sealant job.

We don’t show prices on the website, because the cost depends so much on the job itself. Call for a quick quote.

Why us?

  • Full insurance on every job
  • Tidy, careful work
  • Trusted Arbo and Everbuild sealants
  • Colour picked to suit the job

Take a look at what affects the cost and customer reviews.

Questions from Hornsey

I let a flat near Hornsey station. Can you help?

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

Is parking an issue for gutter sealing in Hornsey?

In much of London, parking needs planning: a visitor permit or a nearby bay makes the day run more smoothly.

How much does gutter sealing cost in Hornsey?

The cost depends on the size of the job, access and how much old sealant has to come out. Call for a quick quote and we’ll talk you through it.

Will sealant fix a dripping gutter joint?

Normally, if the gutter is sound. We clean and dry the joint before sealing so the sealant bonds.

What sealant do you use?

Quality sealants from brands including Arbo and Everbuild, picked for each joint. We explain the product when we quote.

When is the sealant fully cured?

That depends on the sealant used, so follow the cure time we give you when we finish.

Does someone need to be in?

Access is agreed with you when the job is booked. For inside work, that normally means someone being in.

Is gutter cleaning part of the job?

We clear what’s around the joints we work on. Full gutter cleaning is a separate job.

When to call us in Hornsey

When a gutter sags, its joints open. Resealing a sagging joint will not last, so the gutter needs refixing first.

People generally contact us after spotting one of these:

  • Leaking gutter joints and stop ends
  • Internal damp traced to a gutter joint
  • Garage door frames letting rain in
  • Trim joints where the sealant has failed

Hornsey is in London, so parking needs planning: tell us about permits, visitor bays or off-street space when you book.

Comparing quotes

  • How hidden problems are handled
  • What insurance they hold
  • What the quote includes, VAT included or not
  • Whether they seal over old material or remove it

10 questions to ask before booking

Keeping the joints in good condition

To keep the joints looking good and working properly:

  • Get a dropping gutter looked at quickly
  • Check the gutters during heavy rain
  • Do not lean ladders against the gutter itself
  • Make sure downpipes aren’t blocked

Keep the gutters clear of leaves and moss so water doesn’t sit on the joints. Water left in a gutter tests every joint.

A leaking garage frame lets water reach stored items. A reseal sorts it while the frame is sound.

Surface by surface

Garage door frames

Failed sealant around a garage door frame lets water in. We cut it out and reseal.

Gutter joints

Joints between gutter lengths are the most common leak point. We clean, dry and reseal them.

When it isn’t the sealant

To be straight with you, there are a few things sealant won’t fix:

  • Fascias that need replacing
  • Blocked downpipes
  • A gutter length that has split

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

Surfaces we seal

  • uPVC fascias
  • Gutter end caps
  • Roofline trims
  • Soffit joints
  • Garage door frames
  • Gutter joints
20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job