Oxfordshire · England
North Oxford Gutter Sealing
Gutter sealing in North Oxford from a team with over 20 years’ experience. Rated 4.9 on Google from 180+ five-star reviews.
- Rain getting in around a garage door
- Open joints in fascias and soffits
- Water dripping where gutter sections meet
How we handle gutter sealing in North Oxford
A leaking gutter joint marks the wall and wets the ground underneath. Often a reseal is enough if the gutter isn’t damaged. We work on uPVC fascias, gutter end caps and gutter joints, and common reasons people get in touch are wet patches on the wall under a gutter joint and internal damp traced to a gutter joint.
In and around North Oxford, older properties sit alongside newer ones, each with its own outside joints. Older gutters and trims need their joints resealed; newer brick and render need their movement joints kept sound.
All our work comes with our 12-month guarantee.
- Where
- North Oxford (OX2)
- Wider area
- Oxfordshire
- Guarantee
- 12 months on all our work
- Quotes
- Quoted before any work starts
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026

Leave it or put it right?
Sealant won’t clear a blocked downpipe. We check the cause first and point you to the right trade if needed. In a smaller place like North Oxford, wherever a wall is exposed, a failed outside joint is a real source of damp. Indoors, a failed seal lets water into floors and panels as it would anywhere.
We don’t show prices on the website, because the cost depends so much on the job itself. Call for a quick quote.
Why choose Mr Mastic in North Oxford
- Homes, businesses and hotels
- Sanitary silicone with an anti-fungal additive in wet areas
- Approved under the ARBOMaster scheme
- Rated 4.9 stars on Google
Take a look at how sealant jobs are priced or our reviews.
Places near North Oxford
Also in North Oxford
What happens on the day
When we get to you, we check the joints match what you told us. If anything is different, we explain it before carrying on. Most jobs then take anything from an hour or two to a few hours. A visit to North Oxford is planned like any other: the time, the access and where to park are agreed in advance. If the work is outside, the weather plays a part, as sealant needs a dry surface.
- First, we find the drip and check the gutter isn’t cracked or sagging.
- Old sealant and dirt are removed from the joint.
- The area is dried so the sealant can bond.
- An exterior or gutter sealant is applied to the joint.
- We look along the gutter and clear debris around the joints.
Preparing for the visit
- Mention any parking rules near the property
- Keep children and pets away from the work area
- Mention any leaks or damp you’ve noticed
Get a quote
Asking for a quote is easy: tell us what needs doing and where, and roughly how big it is. Photos by email help us understand the job, and we’ll come back to you with a quote.
Advice
Questions from North Oxford
Will you come out to North Oxford?
Yes, we do. Our work covers London and the South East, from towns to the smallest places. Longer journeys are simply planned in advance.
Is North Oxford in your area for gutter sealing?
Yes. We work across London and the South East, and North Oxford is part of that. You can call 0345 464 0079 or drop us an email and tell us what needs doing, and we’ll send you a clear quote.
Do I need to be at home?
If the work is inside, we need someone to let us in. Once we’ve agreed the job, you do not need to watch us work.
Do you clean gutters?
The joints we seal are cleaned out and any debris nearby is cleared. A full gutter clean is a separate service.
Are you fully insured?
Yes. Full insurance covers our work, and we can confirm the details when we quote.
How long before the joint can be used?
Many sealants skin over quickly but take longer to cure fully. We will give you the cure time for the product we used before we leave.
Can you seal fascia and soffit joints?
Yes. Our work is the joints and we will let you know if a board has failed.
Will you leave a mess?
We keep the work tidy. Nearby surfaces are protected, and we clear up when we’re done.
What sealant work can’t fix
Before booking, it’s worth knowing the limits:
- Cracked, split or warped gutter sections
- Leaks from the roof rather than a joint
- Blocked downpipes
If in doubt, ring 0345 464 0079 or email us and we’ll say what we think.
Joints and surfaces we work on
- Soffit joints
- Gutter joints
- Garage door frames
- Roofline trims
- uPVC fascias
- Gutter end caps
Surface by surface
Gutter joints
A dripping joint does not always mean a failed gutter. Sealing the joint often stops it.
Soffit joints
We choose a sealant colour that suits the soffit.
Walls and rooflines in North Oxford
With historic houses such as Holywell Manor (about 1.5 miles south-east) nearby, there’s older building stock in the area around North Oxford as well as newer homes. In older buildings, older walls and rooflines need a sealant that moves with them and suits the material. Rainfall in the South East is lower than in much of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
Letting a property close to Oxford station? Then a gutter joint that drips onto the wall can turn into a damp complaint, so it’s worth checking. In the older streets around Church of St Michael and All Angels, older walls, gutters and the joints where extensions meet them need a flexible sealant. Schools such as Oxford Academy are buildings too, and larger buildings have long runs of movement joint that eventually need resealing.
North Oxford is about 2 miles north-west of Oxford, in Oxfordshire. Every kind of property in North Oxford is covered for gutter sealing. The work is guaranteed for a year. North Oxford is one of 443 places in Oxfordshire where we work.
Here we cover the OX2 postcode area for gutter sealing. If you need gutter sealing at a property on Hobson Road, Linton Road and Banbury Road or anywhere close by, we can help. North Oxford sits on or near the A4165, which makes travel easy. Neighbouring places we cover for gutter sealing include Summertown (1 mile north), Park Town (1 mile south), Walton Manor (1 mile south), Norham Manor (1 mile south-east) and Sunnymead (1 mile north). Within a short drive, we also cover Didcot (11 miles south), Bicester (10 miles north-east), Abingdon-on-Thames (7 miles south), Witney (10 miles west), Carterton (14 miles west) and Thame (13 miles east).
Near you in North Oxford
In North Oxford, that means homes and buildings near St Aloysius' Catholic Primary School, Oxford University Parks and St Edward's School and the streets around them. You’ll also find St Hugh's College Main Building Including Library (0.5 miles south) and Dew Drop Inn (under half a mile north). The nearest railway station is Oxford station, about 1.4 miles south of the centre. Other landmarks nearby include Oxford University Press Museum (1.1 miles south) and Oxford Castle (1.5 miles south). Not far away are Hook Meadow and The Trap Grounds and Headington Hill.
Landlord and commercial work in North Oxford
Landlords and letting agents in North Oxford can book us as well as homeowners. Resealing between tenancies is a simple way to keep a property in good order before the next move-in.
In hotels, rooms out of use cost money, so we plan the work room by room around your bookings where we can. We have worked in hotels as well as homes and businesses.
Should I try it myself first?
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 does not work out, we can still put it right.
Sealing over old silicone is the commonest DIY error. New silicone won’t bond to old, so it peels away and traps moisture behind it. Everything old must be removed first.
What affects the quote in North Oxford
The quote reflects the job in front of us. We look at:
- When we can work, for business premises
- The number of rooms or windows
- The type of sealant required
- Whether there’s mould to deal with
The cost depends on the amount of work, how hard the old material is to remove and access to the work. We give a clear quote before any work starts, so you know where you stand.
What we need to know
When you call or email, it’s useful to know:
- If someone has resealed it before
- A few pictures by email, if you can
- The type of property
- What the problem is, such as mould, gaps, leaks or cracking
A good description makes for an accurate quote. Tell us where the job is, what’s wrong and how much there is.
