The Mastic Doctor team standing beside their branded vans outside an office building
Hampshire · England

Washroom Sealing contractors in Charter Alley

Our CSCS-carded applicators take on sealing in commercial washrooms, showers, kitchens and wet areas in Charter Alley. Send photos or drawings for a fixed quote.

  • Washrooms that look worn because of the sealant
  • Discoloured joints around urinals and WC pans
  • Gaps where vanity tops meet the wall
1
Send details
Photos, drawings or a schedule, or we visit.
2
Get a quote
A fixed quote for the work, with the scope in writing.
3
We seal
The right sealant, to the right depth, neatly finished.
4
Guaranteed
Our workmanship is guaranteed for 12 months.
South East, London & Scotland
CHAS accredited
£5m PL insurance

Washroom sealing in Charter Alley

Share the site address and what’s failing, and we’ll reply with a fixed quote or arrange a visit.

How the quote is worked out

Sealant work doesn’t have a standard rate, because every site is different. What we take into account:

  • The total length or number of joints
  • Any access equipment needed
  • Whether the work must be split into stages
  • The site’s rules and procedures

No two sites price the same: joint size, product, access and site hours all play a part. Send the details and a fixed figure follows.

Sending details for a quote

Good information means a firmer quote. When you get in touch, include:

  • How the joints are reached, and at what height
  • Clear photos of the problem areas
  • The asbestos register, for older buildings
  • Any dates the work must fit around

The quickest route to a quote is a few photos and the site postcode. Send them through the quote form, or give us a call on 01277 525 020 or email the details over to discuss it first.

Washroom sealing for commercial buildings in Charter Alley

Our washroom work covers offices, hotels, schools and colleges, leisure centres and gyms, clinics and care homes, plus the kitchens and tea points that go with them. The products and the method are chosen for how heavily each space is used. The enquiries we see most involve sealant lifting along a tray edge and gaps where vanity tops meet the wall, on vanity units and basins, accessible toilets and changing rooms and IPS panels and cubicles. A specialist sealant contractor works differently from a general builder: in Charter Alley, that means joint design, primers and backing rod as standard.

In and around smaller places like Charter Alley, washroom work is often in halls, pubs, primary schools, care homes and holiday accommodation. Sealant that has gone black with mould normally can’t be cleaned, so it is cut out and replaced.

The 12-month guarantee covers our workmanship: the preparation, the sealing and the tooling. Damage, later alterations by others and movement beyond what the joint was designed for sit outside it.

Location
Charter Alley (RG26)
Region
Hampshire
Guarantee
12 months on our workmanship
Price
A fixed quote before we start
Telephone
01277 525 020
Page updated
3 November 2026
Mastic Doctor team members lined up next to their branded vans outside an office building

Keeping Charter Alley washrooms open while we work

Central London is about 47 miles from Charter Alley, in a commuter belt where offices and business parks are common. Business park offices have washrooms in daily use by staff, which is why the work is phased.

For a hall at a building such as Christ Church, resealing the kitchen and toilets can be fitted between bookings. Clinical washrooms at sites like Parklands Hospital, 2.7 miles to the south-east of Charter Alley, are scheduled with the ward so the room is out of use for as little time as possible. For buildings on a site such as Berry Court Business Park, 1.7 miles north-east of Charter Alley, washrooms and tea points can be resealed in phases through the working week.

Charter Alley is about 3 miles south of Tadley, in Hampshire. Any commercial site in Charter Alley is covered, for single jobs and planned programmes alike. Charter Alley is one of 723 places we cover in Hampshire for washrooms and wet areas. We also cover Reading, some 12 miles away.

We take on washrooms and wet areas across the RG26 postcode area, for business premises of every kind. If your site is on Old Chapel Lane, Sand Martin Close and White Hart Lane or close by, we can quote for washrooms and wet areas. If your building is just outside Charter Alley, we cover Ramsdell (1 mile west), West Heath (1 mile north-west), Pamber End (1 mile north-east), Monk Sherborne (1 mile south-east) and Salters Heath (1 mile east). Further afield, our area takes in Basingstoke (4 miles south-east), Fleet (14 miles east), Alton (14 miles south-east), Yateley (14 miles east), Tadley (3 miles north) and Hook (8 miles east).

Around Charter Alley

The closest station to Charter Alley is Bramley (Hants) station, roughly 3.8 miles east of the centre. A little further out are Park Prewett Hospital (2.7 miles south-east) and Calleva Museum (3.4 miles north-east). For a walk, there’s Daneshill Park Woods.

Map of Charter Alley © OpenStreetMap contributors

Why act early in Charter Alley

Gaps and mould in joints give dirt and bacteria somewhere to sit which matters most in healthcare, food and education settings. Sound, smooth joints are much easier to keep clean. Around Charter Alley, it’s better to renew all the failing joints at once, rather than one at a time. Send photos of each area and we’ll quote for the lot.

What a job costs comes down to the quantity of joints, how much old material needs removing and how the joints are reached. Call for a quote once you have the details.

Why appoint us

  • CHAS accredited
  • Fully insured, including public liability cover
  • Over 20 years of commercial sealing
  • Clear, fixed quotes

Take a look at what affects the cost and how we’re accredited.

On site: what to expect

Working in a building that stays open takes some planning. The work area is signed and kept contained, keep walkways clear and move on in phases so staff and visitors can carry on around us. If others near Charter Alley need work, visits can be combined. You’ll have a fixed quote before work starts.

  1. We agree which washrooms close and when.
  2. Anything behind the joints that needs another trade is flagged.
  3. Old sealant is stripped and the faces prepared.
  4. We reseal with the grade suited to each area.
  5. We confirm reopening times for each washroom.

Getting the site ready

  • Warn occupants and staff about the work
  • Tell us your opening times and when work is allowed
  • Confirm the product named in the specification

Get a fixed quote

Every quote starts with the facts: what’s there, how much of it, how we reach it and what’s specified. Send what you have, and we will arrange a site visit if anything is unclear.

Ask for a quote

Read more

FAQs: Charter Alley

Is a smaller place like Charter Alley outside your area?

Not at all. Charter Alley is within our area. We cover Greater London and the counties of the South East. Good photographs up front let us bring everything on the first visit.

Must every washroom in our Charter Alley building shut while you work?

Rarely all at once: work is phased so some facilities are always available. Each area is handed back once the sealant has cured enough to use.

How long does a typical visit take?

It depends on the scope, but the work usually takes half a day to a day per washroom, depending on the number of fittings. Larger or phased jobs take longer, and we will give you a timescale with the quote.

What about RAMS and site documents?

Tell us what site paperwork you need (RAMS, insurance certificate, CSCS details) and we’ll confirm with the quote.

How much does the work cost?

We don’t publish prices, as every site differs. Send photos or drawings and we will price it at a fixed figure.

What’s the quickest route to a quote?

There are four steps: send details, get a quote, we seal, guaranteed. Step one needs little more than photos and a postcode.

Can you work to our specification?

Yes. We follow the specification, along with the manufacturer’s installation guidance, and any queries are raised before we start.

Honest limits

Being straight saves everyone time. Fresh joints won’t solve:

  • Loose panels, vanity units or tiles, which need fixing first
  • Water from plumbing, not from a joint
  • Vanity carcasses that have swollen

Not sure which it is? You can speak to us on 01277 525 020 or email a schedule or drawings and we’ll tell you honestly before you book.

What we seal

  • Urinals and WCs
  • IPS panels and cubicles
  • Vanity units and basins
  • Accessible toilets and changing rooms
  • Kitchens and tea points
  • Showers, trays and wet room floors

Looking after the joints

Keep the joints in good shape with a few simple steps:

  • Include joints in routine washroom inspections
  • Don’t leave trays and floors sitting wet
  • Note failing joints building by building
  • Mention any site permits or estates rules at quote stage

Ventilation is half the battle. Constant damp lets mould take hold even on anti-mould grades so report fans that aren’t working to your building services team.

Small numbers of failed joints are quick to phase in. Left, it tends to become a building-wide job and more closures to manage.

For managing agents and facilities managers

Hospitality, education, healthcare, office and retail clients book us directly too. The work is planned around how the building runs, so the building keeps working while we do.

Agents, factors and owners’ representatives all follow the same route: send details, get a fixed quote, we seal, guaranteed. Keys, access and contacts can be agreed in advance.

Accreditations

Trusted. Accredited. Insured.