Hampshire · England
New-build mastic & snagging in Anna Valley, Hampshire
Professional new build mastic in and around Anna Valley, with every bit of old sealant taken out first and a 12-month guarantee.
- Cracked sealant around new window and door frames
- New-build shower sealant that has already split
- Sealant work across a run of new homes
Looking after it afterwards
Simple care keeps the joints in good condition. We recommend:
- Report sealant problems to your builder during the snagging period
- Act quickly if a seal starts to leak
- Look at the sealant regularly in the first couple of years
- Open a window or run the fan after bathing
Keep photos of the joints and any snagging correspondence with your builder. It helps if anything else comes up during the warranty period.
Leave a failed new-build seal and water can reach the floor and the ceiling below. Early resealing keeps the job small and the new finishes intact.
New build mastic in Anna Valley, done properly
Some new-home owners let the house settle before resealing. For small cosmetic gaps, that’s reasonable, but a failed shower or bath seal shouldn’t wait. Common call-outs are for sealant work across a run of new homes and untidy sealant flagged on a snagging list, across plot handovers, windows & doors and show homes.
Older homes in small places like Anna Valley often have timber floors that move with the seasons, so skirting and threshold joints need a flexible sealant rather than a rigid filler.
All our work comes with our 12-month guarantee.
- Place
- Anna Valley (SP11)
- Wider area
- Hampshire
- Cover
- A year, on every job
- Price
- A clear quote up front
- Phone
- 0345 464 0079
- Last updated
- 26 October 2026
Nearby places to Anna Valley
Other services in Anna Valley
What happens on the day
Every visit runs the same way: we look at the joints together, mask and protect the surrounding surfaces, carry out the job and clear up. Most jobs take a few hours in a single home. Somewhere as small as Anna Valley, access is often the only tricky part. If the job is outside, mention outbuildings, exposed walls and how to reach them.
- We look at why each joint failed, including any movement.
- Old sealant is cut out and the joints cleaned.
- We make sure the joints are dry and prime them if needed.
- Baths are filled with water, then the new sealant is applied.
- The finished joints are checked and the cure times given.
How to prepare
- Mention any sign-in or site rules at work premises
- Tell us if parking is tricky
- For indoor joints, keep the area dry beforehand if you can
How to get a quote
If you’re in Anna Valley and need new build mastic, phone 0345 464 0079 or drop us an email. A short description of the job and where it is helps us quote, and we’ll agree the price before any work begins.
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Landlords, agents and businesses in Anna Valley
Letting agents and landlords in Anna Valley can book us as well as householders. Resealing between tenancies keeps a property looking cared for before the next move-in.
Water getting past a failed joint can damage the building, which matters even more when someone else lives there. Resealing at the right time is simple maintenance that we can handle for you.
What the job involves on each surface
Bathrooms and en suites
New-build bathrooms and en suites are where sealant fails most often. The old sealant comes out and anti-fungal sanitary silicone goes in after cleaning and priming.
Show homes
We seal show-home bathrooms, kitchens and frames. We will plan around viewing times.
What new build mastic looks like in Anna Valley
The South East is one of the drier parts of the UK, though outdoor sealant still has to go onto a dry joint, so the forecast decides the day.
In and around Anna Valley, as anywhere, good new build mastic starts with a clean, dry, properly prepared joint.
Anna Valley is about 2 miles south-west of Andover, in Hampshire. Whether you’re in the middle of Anna Valley or further out, we cover new build mastic for every kind of property, from flats and houses to offices and hotels. We cover 683 towns and villages across Hampshire. Our Southampton page covers work nearby, about 20 miles away.
Our applicators cover all of SP11 for new build mastic. Streets in the area include Taskers Drive, White Oak Way and Foundry Road, all of which we cover. Neighbouring places we cover for new build mastic include Little Ann (1 mile south-west), Abbotts Ann (1 mile west), Red Rice (1 mile south), Monxton (2 miles west) and Amport (3 miles west). We also work in nearby towns such as Winchester (12 miles south-east), Chandler's Ford (15 miles south), Romsey (14 miles south), Hyde (12 miles south-east), Tidworth (8 miles north-west) and Weeke (11 miles south-east).
Around Anna Valley
Typical jobs here are in homes near Redrice School and John Hanson Community School. Anna Valley’s nearest station is Andover station, roughly 1.4 miles north-east. Well-known places in the area include Andover War Memorial Hospital (1.6 miles north) and Andover Museum (1.7 miles north-east). Not far away are Anton Lakes and Mill Lake.
When it is not the sealant
New sealant can’t fix everything, and we will tell you before any work starts. Sealant won’t put right:
- Structural cracks in walls or ceilings
- Baths and trays that move too much for sealant to cope with
- Cracked trays, tiles or worktops
If you’re not sure, just phone 0345 464 0079 or drop us an email and we will give you a straight answer.
Where we work in Anna Valley
- Bathrooms & en suites
- Skirting & floors
- Show homes
- Kitchens
- Plot handovers
- Windows & doors
DIY versus a professional finish
What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is chosen for how the joint moves and where it is, then guaranteed for a year.
Not every job suits DIY: high-level joints, fire-rated gaps, external movement joints and big jobs need the right product, the right access and the right method.
Anna Valley: your questions answered
Is Anna Valley in your area for new build mastic?
Yes. Our work covers London and the South East, and Anna Valley is part of that. Just phone 0345 464 0079 or send us an email with a few details of the job.
Do you cover smaller places like Anna Valley?
Yes, smaller places are covered as well as towns. We work across London and the South East. Just mention lanes, gates or anything else about the route when you book.
Can I do it myself?
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.
How much does new build mastic cost in Anna Valley?
Every job is different, so each one gets its own quote. For a quick quote, phone 0345 464 0079 or send us an email with a short description of the job.
Are you ARBOMaster approved?
Yes. We hold ARBOMaster approved applicator status, and we’re fully insured.
Can you do several jobs on one visit?
Yes. Just list everything you need and we will quote it together.
Can you reseal over the builder’s sealant?
No. New silicone won’t bond to old silicone, so it soon lifts and traps water. We cut the old bead out completely.
What colour sealant will you use?
We use white, clear or a colour to suit the finishes. Let us know your preference when you ask for a quote.
When to call us in Anna Valley
Not every new-build joint gets the right sealant: decorators’ caulk in a wet area, or a stiff sealant where there’s movement. Both fail early.
If you can see any of these, it’s time to have the joints looked at:
- Sealant work across a run of new homes
- Messy sealant that spoils new finishes
- Sealant that never bonded to the surface
- Cracks appearing as a new home settles
For new homes near Andover station, it’s worth checking the sealant early, while snags are still fresh.
Comparing quotes
- Who does the work, and how experienced they are
- Whether all the old sealant comes out first
- What preparation is included
- What the quote includes, VAT included or not