Hampshire · England

Sand mastic for sash & case windows in Little London, Hampshire

Sand mastic for Little London and the surrounding area: the right sealant, proper preparation and a neat finish. Call for a quick quote.

  • Failed mastic on an exposed elevation
  • Tired mastic found when preparing windows for paint
  • Silicone on a period window that looks wrong

Sand mastic in Little London

Signs you need sand mastic in Little London

Shallow joints are a common cause. Mastic that’s too thin cracks and drops out so we make sure the new mastic is the right thickness.

If you can see any of these, it’s time to have the joints looked at:

  • Draughts and rain around sash boxes
  • Gaps between timber frames and stone or brick
  • Old cement repairs round a window that have failed
  • Mastic round period door frames that has failed

For site and facilities teams at buildings such as Smannell and Enham Church of England (Aided) Primary School, larger buildings have plenty of frames, and the mastic around each one ages.

What your quote should include

  • The length of the guarantee
  • Is the old sealant removed completely?
  • Which colour the sealant will be
  • Who does the work, and how experienced they are

Choosing a sealant specialist

Sand mastic for homes and businesses in Little London

Burnt sand mastic is a traditional material blends with stone and brick surrounds. It’s a good fit for period properties, where modern sealant can look out of place. If you are dealing with crumbling sand mastic round a window and draughty sash windows at the surround, we can put it right, on tenement windows, timber door frames and brick reveals alike.

Outdoor sealant needs dry, clean surfaces, so work on frames around Little London is planned for dry weather. Let us know about access to all the frames, upstairs ones included.

There’s a 12-month guarantee on every job, whatever its size.

Location
Little London (SP11)
Region
Hampshire
Guarantee
12 months on all our work
Price
A clear quote up front
Phone
0345 464 0079
Page updated
26 October 2026
Outdoor mastic being applied where a white frame meets red brickwork, below the fascia and gutter

How the job changes by surface

Brick reveals

Brick reveals round timber windows are often pointed with sand mastic. It suits older brickwork.

Timber door frames

Doors face weather and wear and the mastic can crack early. It’s renewed by hand.

What affects the cost of sand mastic

You’ll get a clear quote before work begins. It takes into account:

  • Whether there’s mould to deal with
  • The size of the job
  • How easy the joints are to reach
  • Any working-time requirements on site

Instead of a standard rate, we look at what your job involves: the amount of work, the old material and the access. You will know the price before we begin.

What to tell us for a quote

A few details help us give you an accurate quote. When you ask for a quote, tell us:

  • If it’s domestic, commercial or a hotel
  • How many joints, rooms or windows are involved
  • If someone has resealed it before
  • Pictures of the joints, sent by email

The more we know about the job, the more useful the quote. Tell us where the job is, what’s wrong and how much there is, and email pictures if that’s easy.

Sand mastic in Little London: local notes

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.

Homes close to Christ Church include some older properties, and replacement windows fitted into old openings often leave uneven gaps that need backing and a flexible joint. Rented homes near Andover station change hands often, and any sash windows need sound mastic to keep draughts and rain out.

Little London is about 3 miles north-east of Andover, in Hampshire. Whether you’re in the middle of Little London or further out, we cover sand mastic for every kind of property, from flats and houses to offices and hotels. 683 places in Hampshire are on our list, large and small. There’s also a page for Southampton, roughly 23 miles from Little London.

Work in SP11 works the same way as everywhere else we cover. If you are just outside Little London, we cover Smannell (1 mile south), Upper Enham (1 mile west), Enham Alamein (1 mile south-west), Finkley (1 mile south-east) and Knights Enham (1 mile south-west). Further out, we also cover Basingstoke (15 miles east), Winchester (14 miles south-east), Andover (3 miles south-west), Tadley (15 miles north-east), Hyde (14 miles south-east) and Tidworth (9 miles west).

Local landmarks in Little London

Typical jobs here are in homes near The Oak pub and the streets around them. Little London’s nearest station is Andover station, about 2.9 miles south-west of the centre. A little further out are Andover War Memorial Hospital (2.7 miles south-west) and Finkley Down Farm Museum (1.7 miles south). Open spaces near Little London include Anton Lakes and Mill Lake.

Map of Little London © OpenStreetMap contributors

DIY sealant or a professional job?

If you’ve already had a go yourself, that is fine. We remove it and do the joint properly, so just mention it when you contact us.

What a professional job adds is preparation and the right product. We take joints back to clean, dry surfaces, and the sealant is matched to the joint and its conditions.

Why it’s worth doing now in Little London

New sash windows are a major, costly change, and in listed buildings it may need consent. If the frames are sound, renewing the mastic deals with gaps and draughts at the surround. Around Little London, older homes often have timber in their floors and frames, and water through a failed joint can rot timber if it’s left.

Every job is a little different, so each one gets its own quote. Size, access and the product the joint needs all play a part, and we will explain the quote if you ask.

What you get with us

  • We never seal over old sealant
  • ARBOMaster approved applicator
  • More than 20 years in sealant work
  • Arbo and Everbuild products

Read our cost guide and customer reviews.

How the visit works

Before we leave, we go over the finished joints with you. The work normally takes anything from a few hours to a full day, depending on how many windows, depending on the size of the job. For a village or hamlet like Little London, the journey is planned in advance: tell us about narrow lanes, gates, long drives and where we can park. Everything for the job comes with us, so a second trip is avoided where possible.

  1. We start by checking each surround and agreeing the joints to renew.
  2. Old, loose mastic is raked out and the joint cleaned.
  3. Deep voids are packed so the mastic is the right thickness.
  4. We mix the sand mastic and apply it by hand, shaping it to the joint.
  5. The finish is dressed so it sits neatly against the stone or brick.

Preparing for the visit

  • Mention any sign-in or site rules at work premises
  • Clear items away from the joints we are working on
  • Tell us about any previous sealing or DIY attempts

Getting a quote

Want a quote for sand mastic? Please call 0345 464 0079 or send us an email and tell us about the job. You’ll know what we plan to do, and what it will cost, before any work begins.

Ask for a quote

Read more

How to look after the new joints

No joint lasts for ever, but care makes a real difference. Our tips:

  • Check the mastic when you check the paintwork
  • Clear gutters so water doesn’t pour onto the windows
  • Plan mastic work ahead of painting
  • Do not run silicone over sand mastic

Make sure water drains away from the window surround. Water sitting against the mastic shortens its life.

Good mastic helps keep the frame dry. Once it fails, water can sit against the timber, which can lead to rot.

Your questions about sand mastic in Little London

Do you cover smaller places like Little London?

Yes, smaller places are covered as well as towns. Our work covers London and the South East. Just mention lanes, gates or anything else about the route when you book.

Can you do sand mastic in Little London?

Yes. We work across London and the South East, and Little London is part of that. Just phone 0345 464 0079 or drop us an email with a few details of the job, and we will send you a clear quote.

Is the work guaranteed?

Our 12-month guarantee covers every job.

Do you offer different sealant colours?

Normally, yes. White, clear and grey are common, and other colours are available for many products, and we agree the colour with you before work begins.

Can landlords and businesses book you?

Yes, we do. We work in homes, commercial premises and hotels, and we’re fully insured.

Do you have insurance?

Yes. We are fully insured, and we have been doing sealant work for more than 20 years.

What exactly is sand mastic?

Sand mastic is a traditional material for pointing round windows and doors. It’s made with sand and a linseed-oil-based binder.

Do you take out the old sealant first?

Yes, always, and completely. New sealant will not bond properly to old, so any old material comes out before anything new goes in.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job