Hertfordshire · England
Startop's End Glazing Silicone
Problem with your glazing joints in Startop's End? We remove the old material, prepare the joints and seal them properly, and the work is guaranteed for a year.
- Sealant that was laid over old silicone and failed
- Silicone pulling away from the glass
- Rooflight joints letting water in
Glazing silicone in Startop's End
Sealant on glazing does not last for ever. Sun, rain and movement wear it down and cracked joints let water in. Resealing puts that right. We work on rooflights, glass-to-frame joints and conservatory frames, and people most often call us about black or yellowed silicone on glass joints and water running down inside the glass.
Around Startop's End, many homes face open ground, so their windows and doors take the full weather. That exposure dries out and cracks the mastic around frames and sills faster.
You get a 12-month guarantee, the same in Startop's End as everywhere else we work.

- Where
- Startop's End (HP23)
- Wider area
- Hertfordshire
- Guarantee
- 12 months on all our work
- Quote
- Quoted before any work starts
- Telephone
- 0345 464 0079
- Updated
- 26 October 2026
The process
At the end, we look at the finished work together and explain the cure time. The work normally takes a few hours for most jobs, depending on the amount of work. For a village or hamlet like Startop's End, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. We bring what the job needs, so it can be finished in one trip where possible.
- We trace the leak and confirm it’s a sealant joint.
- The failed silicone is cut out without marking the glass or frame.
- We clean the glass and frame so the new silicone bonds.
- A neutral-cure glazing silicone is applied and tooled.
- We check the finished joints and test with water where it’s safe.
Preparing for the visit
- Mention any tricky access
- Mention if the joints have been sealed before
- Tell us if parking is tricky
Getting a quote
If you’re in Startop's End and need glazing silicone, call 0345 464 0079 or email us. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
Read more
Leave it or put it right?
Fixing a leaking screen early protects what’s underneath. A small leak can reach the floor below before you notice. Older cottages and farmhouses around Startop's End can have timber floors and frames, and water through a failed joint can rot timber if it’s left.
Leaving a failed joint generally makes the job bigger, not smaller, as water and mould keep getting in. If you are not sure whether it needs doing, ring 0345 464 0079 or drop us an email and we will give you an honest view and a quote.
Why Startop's End customers choose us
- Sealant colour chosen to suit
- Any old sealant cut out fully, not covered over
- Neat joints and a tidy finish
- Over 20 years’ experience
Take a look at what affects the cost and our reviews.
Surface by surface
Glass-to-glass joints
These joints are on show, so we take care to leave a neat bead.
Rooflights
Rooflight glazing joints are cut out and renewed. Leaks from the roof itself need a roofer.
More services for Startop's End
Keeping the joints in good condition
So the new joints stay in good condition:
- Clear the conservatory gutters regularly
- Get a new leak looked at quickly
- Don’t use a blade near the sealant
- Look over the glazing joints once a year
Clear the conservatory gutters regularly, so water drains away from the joints. Overflowing gutters can cause leaks of their own.
Damp patches, drips and condensation along a joint are worth checking. It may be sealant, or something else and we will find out which.
What affects the cost of glazing silicone
We quote each job individually. This is what makes a difference:
- Any working-time requirements on site
- Whether old sealant or filler has to be cut out
- How easy the joints are to reach
- Whether there’s mould to deal with
Commercial jobs are quoted on the same basis as homes: 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 will go through it with you.
Helping us quote
Photos by email are helpful but not essential. Please mention:
- Any access issues, like height or stairs
- How many joints, rooms or windows are involved
- Any previous sealing or DIY work
- What’s wrong with the joints now
We don’t publish a price list, as no two jobs are quite the same. Instead, your job gets its own clear quote. To arrange one, phone 0345 464 0079 or send us an email.
Startop's End homes and the weather
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. With historic houses such as Cholesbury Manor House (about 4.4 miles south) nearby, there’s older building stock in the area around Startop's End as well as newer homes. In older buildings, older timber frames in brick or stone need a different approach from a modern uPVC window.
Letting a property close to Tring station? Then glazing joints are worth checking at the end of a tenancy, before a small leak grows. Homes close to Church of All Saints include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. Managing a site like Marsworth Church of England Infant School? Then its window and door frames need their mastic kept sound, just like a home’s.
Startop's End is about 1 mile north of Tring, in Hertfordshire. If you need glazing silicone in Startop's End, it’s easy to get a quote: please call 0345 464 0079 or email us. We cover Hertfordshire from our Crawley base, Startop's End included. Startop's End is one of 381 places in Hertfordshire where we work for glazing silicone. You can also see our page for Oxford, about 25 miles away.
Every address in HP23 is covered for glazing silicone, from the main roads to the quietest streets. You will find streets such as Watery Lane, Lukes Lea and Marsworth Wharf, all of which we cover. Other places close to Startop's End include Marsworth (1 mile north-east), Tringford (1 mile south), Wilstone (1 mile west), Bulbourne (1 mile east) and Gubblecote (1 mile north-west). Further out, we also cover Hemel Hempstead (10 miles south-east), St Albans (15 miles east), Harpenden (14 miles east), Berkhamsted (6 miles south-east), Rickmansworth (15 miles south-east) and Chorleywood (14 miles south-east).
Local landmarks in Startop's End
Typical jobs here are in homes near The Angler's Retreat pub and Tring School, among other places. Startop's End’s nearest station is Tring station, roughly 2.3 miles south-east. Other landmarks nearby include Tindal Centre (5.8 miles west) and Pitstone Green Museum (1.5 miles north-east). The countryside around Startop's End includes College Lake nature reserve and Ivinghoe Beacon.
Your questions about glazing silicone in Startop's End
Can you help a landlord with a rental near Tring station?
Yes, rental work is part of what we do. Just phone 0345 464 0079 or send us an email and tell us about the property, and we’ll give you a clear quote.
Will you come out to Startop's End?
Yes. Startop's End is within the area we cover, which takes in towns, villages and rural addresses. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.
How much does glazing silicone cost in Startop's End?
There’s no set price, as it depends on the job: its size, the old material, access and the product needed. We agree the price before any work begins.
Should I try DIY first?
It depends on the job. High-level, external movement and fire-rated joints are professional jobs, while a short indoor joint may be within reach.
Where do you work from?
We are based in Crawley, and we cover South East England, London and all of Scotland.
Which products do you use?
Each joint gets the product that suits it. Movement, water and weather all affect the choice.
Is a special sealant needed for glass?
Glass needs a sealant made for glazing. We use neutral-cure glazing silicone with anti-fungal products in bathrooms.
Can you reseal the base of a glass balustrade?
Yes, we reseal the joint at the base channel. We don’t install or replace the glass.
Work for landlords, hotels and businesses
If you manage several properties in or around Startop's End, jobs at different addresses can go on one quote. Just tell us the addresses and what each one needs.
From a single let to a portfolio, the work is the same standard: the old material taken out, careful preparation and a 12-month guarantee.
Honest limits
New sealant cannot fix everything, and we will tell you before any work starts. It won’t solve:
- A broken pane or roof panel
- Misting between the panes of a double-glazed unit (a failed unit for a glazier)
- Structural problems with a conservatory roof
If in doubt, phone 0345 464 0079 or drop us an email and we’ll say what we think before you book.
What we seal
- Conservatory frames
- Shower screens
- Glass-to-frame joints
- Rooflights
- Glass balustrade bases
- Glass-to-glass joints
