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Clearing blocked drains across Dublin since 1968 — day or night.

Planned and Preventative Maintenance to Stop Drain Emergencies

Most commercial properties only call a drainage company after something has already gone wrong. Our maintenance plan keeps you ahead of that. We inspect, clean and report on your drains on a schedule built around your site.

Since 1968

Over 35 years on Dublin drainage

24/7 call-outs

Answered any hour, every day

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All enquiries are reviewed by our team before a consultation is confirmed.

What Happens When You Skip Drain Maintenance

Every problem on this list is one we see on commercial sites that only call when something breaks. Each is cheaper to prevent than to fix, and a maintenance plan keeps them off your site. Here is what you avoid.

Emergency call-outs at double the cost

An emergency call-out is charged at a far higher rate than a planned visit. We clean the system on a set schedule, so it is cleared before it fails and forces one.

A blocked kitchen drain closes the restaurant

Grease is the usual culprit, and it builds fastest where you cook. Our plan includes grease trap servicing and kitchen line jetting matched to how hard the kitchen works.

Tenant complaints build up in apartment blocks

Communal drains serve every unit, so one blockage becomes everyone's problem fast. We run scheduled CCTV checks on shared runs and clear build-up before it reaches a single tenant.

Interceptor overflows bring EPA enforcement

A full interceptor discharges oil into the sewer, and that means fines. We empty it on schedule with our tanker services, so it never reaches capacity.

A small crack becomes a collapsed pipe

Left alone, a hairline crack lets in roots and water until the pipe fails. Scheduled CCTV finds it early, while a pipe patch or reline still fixes it without excavation.

No records when the inspector asks

Insurers, auditors and the EPA can all ask for proof. You get a written condition report with footage and a defect log after every visit, so the records are always on file.

What Our Maintenance Plan Covers

Planned and preventative maintenance means three things on every visit: we inspect the system, clean it, and report on what we found.

What Our Customers Say

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emer kennedy profile picture
emer kennedy
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Had an issue with drains and we got an immediate response and they were cleared by 10am the next day. Could not recommend highly enough. Will definitely use again.
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Shane C profile picture
Shane C
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Top service by Alec and the lads. Drains were blocked, they showed up quickly, left the place tidy after, and very reasonably priced.
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killian mccarthy profile picture
killian mccarthy
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Issue was resolved promptly, and professionally. I was also kept informed on costs. Would recommend.
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Alan Moffitt profile picture
Alan Moffitt
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Having been using ALEC and MN Davis for drains and plumbing/heating for almost 6 years now. Have received great advice and quick response times to all types of Plumbing heating and drains services over this period. Response times have been phenominal to genuine emergencys. Alec provides a support service to our maintenance company, which we couldn't survive without. We rely heavily on his technical fault finding ability and many years of experience to get the best results for our customers and value for money. There is a significant shortage of plumbers in this industry and MN Davis provide for all our plumbing heating and drainage needs. Thanks Alec
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Paddy profile picture
Paddy
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Great lads. From start to finish of job. Very polite and tidy in their work. Definitely recommend.
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MICHELLE MOCKLER profile picture
MICHELLE MOCKLER
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Prompt service very quick to call out ..would highly recommend
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Ben Devey profile picture
Ben Devey
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We had an extremely positive experience with Davis Drain Services. Within minutes of calling them out of hours, they arrived to our house to clear a blocked septic tank. It was pumped out promptly before returning the following morning to rectify the issue. At all times they made us feel at ease and explained everything to us clearly. While on site they also provided helpful advice on how to rectify heating issues we were having. We would have no hesitation recommending them for both drainage and plumbing works. Thanks to Alec and team.
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Lorainne Markey profile picture
Lorainne Markey
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Just had Alec out to look at an issue with my boiler. We were without heat and he arrived so quickly after being contacted. He was able to pinpoint the issue straight away and had it fixed in minutes. I also asked advice on an issue with my drains that I have been encountering for a few years and he was able to give me advice on how fix it. Thank you Alec, I am very grateful for all you help.
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Alison Joyce profile picture
Alison Joyce
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Excellent company to deal with very professional service. A number of options offered along with a clear indication of the costs involved were hugely helpful.
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Alan Wolfe profile picture
Alan Wolfe
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Great service, fast call out lovely team

How Often Your Site Needs Drain Maintenance

The right frequency depends on your property type, how hard the drainage works, and what runs through it. The table below is where we usually start, before a survey sets the exact schedule for your site.

Where We Usually Start

Property Type Frequency What We Focus On
Restaurants and Hotels Monthly or quarterly Grease traps, kitchen waste lines, floor drains and yard gullies. Heavy grease loads need the most frequent cleaning.
Apartment Blocks Every 6 months Shared soil stacks, communal runs, gullies and rainwater pipes. Regular clearing keeps communal backups off tenants.
Offices and Retail Every 6 to 12 months WC drainage, staff kitchen waste, downpipes and car park gullies. Lighter use means longer gaps between visits.
Petrol Stations and Forecourts Every 6 months Oil interceptors, forecourt gullies and storm drains. A compliance-led schedule under SI 630/2019.
Schools and Public Buildings Every 6 to 12 months High-traffic WCs, kitchen drainage and playground gullies. Visits scheduled around term breaks to avoid disruption.

These are starting points. We confirm the right frequency for your premises after a free site survey.

See Our Recent Work

What Does a Drainage Maintenance Contract Cost?

We quote only after a free survey. The price depends on your premises, the drains you have and how often the system needs attention.

Start With a Free Site Survey

We come to your site, survey the drainage system, and send back a maintenance plan and a fixed quote. No cost, no obligation.

Property type and usage

A restaurant with daily grease output needs far more than an office with light WC drainage. Your premises sets the baseline.

Number of sites

Multi-site operators get one contract covering every location, one schedule and one point of contact.

Scope of each visit

CCTV inspection only, jetting only, or the full inspect-clean-report package every time. You choose the scope.

Access requirements

Night visits, weekend work or restricted-access sites take more to schedule, and that affects the price.

Common Questions About Planned and Preventative Maintenance

What commercial operators usually ask before putting a maintenance plan in place.

What is planned preventative maintenance (PPM) for drains?

Planned preventative maintenance (PPM) for drains is a scheduled programme of inspection, cleaning and reporting on a commercial drainage system at agreed intervals. Instead of waiting for a blockage and paying an emergency rate, PPM drainage catches problems early and keeps the system running. You get a predictable cost and a clear record of the drainage condition.

It depends on the property and how hard the drainage is used. Restaurants and hotels with heavy grease output usually need monthly or quarterly visits, while apartment blocks, offices and retail sites are typically every six to twelve months. We recommend a specific schedule after surveying your site.

Every visit covers the same three things: a CCTV inspection of the accessible drains, high-pressure jetting to clear build-up, and a written condition report. Grease trap servicing and interceptor cleaning are included where your site has them. You get the full inspect-clean-report package on every visit.

Yes. Restaurants, shops and busy offices often need drainage work done overnight, early morning or at weekends, and we schedule visits around your opening hours. That keeps the maintenance from interrupting trade or getting in the way of your customers.

Yes, after every visit. The condition report sets out what we found, what we cleaned and what needs attention, with CCTV footage, photos and a defect log graded by priority. You can file it for insurers, auditors or the EPA and share it with your management team.

We cover Dublin, Meath and Louth. Based in Skerries, we work across north County Dublin and Fingal, and out to Drogheda, Dundalk, Navan and the surrounding towns. If your site is in that area, we can put it on a maintenance schedule.

Yes. If you manage several premises across Dublin, Meath or Louth, a single drainage maintenance contract can cover all of them, with one schedule, one point of contact and one monthly invoice. We inspect and report on each site individually, so you can see the condition of every location.

Any issue we find is flagged in your condition report with a priority rating. If it is minor we can often deal with it on the same visit; if it needs a separate repair, we quote for the work before doing it. Either way, you know about it before it becomes an emergency.

Get a Quote for Planned Maintenance

Tell us the premises type and we will survey the site, recommend a schedule, and come back with a price.

Get a free quote

Send this and we come back with what the repair involves and what it costs.

Blocked Drain? Don’t Wait.

24/7

Tell us what’s wrong and get a free quote. Emergency? Call (01) 849 1706, any time.