Our Services

Drainage services

Blocked drains, slow-flowing sinks, unpleasant odours, and drainage issues can quickly become a major inconvenience if left untreated. Our professional drainage services are designed to identify and resolve problems quickly, helping to keep your drainage system flowing efficiently and preventing costly damage to your property.

We provide a full range of drainage solutions, including drain unblocking, high-pressure water jetting, CCTV drain surveys, drain repairs, root removal, and preventative maintenance for residential and commercial properties. Using modern equipment and proven techniques, our experienced engineers can diagnose issues accurately and deliver effective, long-lasting repairs. 

Whether you are dealing with an emergency blockage or require a detailed inspection of your drainage system, you can rely on our team for fast response times, expert workmanship, and dependable service every step of the way.

Fast, Reliable Emergency Plumbing

We provide urgent plumbing solutions
when you need them most

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Why Choose Us

Quality plumbing. Trusted service.
Guaranteed results.

Experienced & Qualified

Our engineers are Gas Safe registered and we are members of the Safe Contractors regulators, ensuring every installation and repair meets the highest safety standards.

Transparent Pricing

No hidden fees or “surprise” add-ons. We provide clear, upfront quotes before we pick up a tool.

Rapid Response

We’re locals too. We love where we work, which means we can get to your door faster when emergencies strike. We endeavour to get to all emergency calls with 45mins to an hour.

24/7

Our engineers work round the clock because emergencies are rarely 9-5.

Coverage Across the South of England

We have engineers located all across the South of England.

Your Questions Answered

Frequently asked questions

We are here to help with your questions and offer details about our emergency plumbing services and approach.

How quickly can you attend an emergency?

We aim to respond to emergency call outs within an hour. Response times do vary upon your location, time of day and current demand. We prioritise urgent issues such as burst pipes, major leaks and loss of water supply.

We offer a full range of plumbing services, including leak repairs, pipe replacements installations, boiler maintenance. Please see our full list of services on our “Services That We Offer” page.

We provide free, no obligation quotations for most plumbing heating and drainage work. Please contact us to discuss your requirements.

Yes. We provide plumbing, heating and drainage services for homeowners, landlords, letting agents, offices, retail premises, and other commercial properties.

Most manufacturers recommend having your boiler serviced annually. Regular servicing helps improve efficiency, maintain safety, and may be required to keep your warranty valid. We offer a range of service and maintenance plans to suit your needs. Please give us a call to discuss your bet options.

Yes. CCTV drain surveys allow us to inspect drains internally, identify faults, locate blockages, and assess the condition of drainage systems without excavation.

Yes. We carry comprehensive public liability insurance and perform all work to industry standards.

We accept most major payment methods, including bank transfers, debit & credit cards, we can also offer payment plans on certain services.

Daveknows

Welcome to DaveKnows, your handy engineering expert to help you with any plumbing, heating or drainage enquires that you may have. Available 24/7, DaveKnows can help you diagnose any problems, give you some handy hints to help you fix the problem without the need of a callout (and the bill that comes with it), or we can get an engineer to your door ASAP!

Building Trust through our work

Rated and recommended
by customers

Privacy Policy

Effective Date: 23.04.2026

At OHD24 Ltd we are dedicated to safeguarding the privacy and confidentiality of your personal information. This privacy policy explains how we collect, use, share, and protect your personal data when you use our mobile app, DaveKnows, and it’s services.

Data We Collect

When you use our mobile app, we may collect the following types of personal information:

  1. Personal Data- We collect personal information that you provide directly, such as your name, email address, phone number, and other contact details.
  2. Account Details- This includes the username, password, preferences, and other information necessary for creating and maintaining your account.
  3. Device Information- We gather technical data about your mobile device, such as device type, operating system, app version, and device identifiers like the advertising ID.
  4. Location Data- If you enable location services, we may collect your device’s location data to provide location-based features.
  5. Usage Data- We collect information about how you use our app, including the features you access, the duration of usage, and any interactions with the app.

How We Use Your Information

We use the data we collect for various purposes, including:

  1. To Provide and Improve Our Services- We use your information to deliver the services you request, improve app functionality, and ensure a personalised experience. E.g. Your preferences and usage data help us tailor the contact and features of the app to your needs.
  2. For Customer Support and Communication- Your contact information is used to respond to support requests, send updates, and resole any issues related to your account or app usage. E.g. If you contact support, we will use your email and other details to assist you with resolving issues.
  3. For Marketing and Promotions (with your consent)- If you opt-in, we may use your contact details to send you promotional messages or offers about new features, updates, or services. E.g. You may receive emails about discounts or new app features if you have subscribed to our mailing list.
  4. To Comply with Legal Obligations- We may use your data to comply with legal obligations, such as responding to a subpoena or protecting the rights and safety of our users. E.g. If required by law, we may disclose certain information to law enforcement or regulatory bodies.

Legal Basis For Processing

E process your data based on the following legal grounds:

  1. Consent- We process your personal information when you have given us explicit consent, such as agreeing to receive marketing communication or enabling location tracking. You can withdraw your consent at any time by changing your app settings or unsubscribing from emails.
  2. Performance of a Contract- We process your data to fulfil the terms of any agreements you have with us, such as when you make a booking through the app.
  3. Legitimate Interests- We may process your data for purposes aligned with our legitimate business interests, such as improving our app or conducting user analytics.
  4. Compliance with Legal Obligations- We may process your data to comply with legal requirements, such as tax reporting or responding to legal requests.

Data Transfer Outside the EU

In some cases, we may need to transfer your personal data to countries outside the European Union (EU) or the European Economic Area (EEA). These transfers may occur when our service providers or partners are located in countries outside of the EU/EEA or when we need to store or process data in global data centres. We ensure that any such transfer of your personal data is carried out in compliance with applicable data protection laws, including the General Data Protection Regulation (GDPR). To safeguard your data during these transfers, we rely on standard contractual clauses or other appropriate safeguards, ensuring that your data is protected in accordance with GDPR standards.

Use of Trackers

We may use tracking technologies to enhance your experience, understand how you interact with the app, and show personalised content or ads. You can manage your preferences in your device settings.

Data Subject Rights

Under applicable data protection laws, you have the following rights:

  1. Access- You can request access to the personal information we hold about you.
  2. Rectification- You have the right to correct any inaccurate or incomplete data we hold about you.
  3. Erasure- You can request the deletion of your data under certain circumstances.
  4. Restriction of Processing- You can request that we limit how we process your data in certain situations.
  5. Objection to Processing- You have the right to object to the processing of your personal data, especially for marketing purposes.
  6. Data Portability- You can request a copy of your data in a format that allows you to transfer it to another service.

Data Security

We implement a range of technical and organisational measures to protect your personal data from unauthorised access, disclosure, or misuse.

  1. Encryption- We use encryption to protect sensitive data, such as payment information, during transmission.
  2. Access Controls- We limit access to your personal data to only those employees and contractors who need it to perform their job functions.

Data Retention

We retain your personal data for as long as necessary to fulfil the purposes for which it was collected, unless a longer retention period is required by law.

Changes to this Policy

We may update this privacy policy from time to time. Any significant changes will be posted within the app or on our website, and we will update the “Effective Date” at the top of this policy.

Terms & Conditions

Last updated: 23 April 2026

These Terms and Conditions (“Terms”) govern your use of the website DaveKnows (the “Site”)

operated by PHD24 Ltd (“we”, “us”, or “our”). By accessing or using our Site, you agree to be bound by these Terms. If you do not agree, please do not use our Site.

1. Definitions

“Site” means the website located at DaveKnows and all associated web pages.

“Service” means Advice on plumbing, heating and drainage issues. Approximate quotes for fixing plumbing, heating and drainage issues. Ability to book a plumbing, heating & drainage engineer provided through the Site.

“User”, “you”, or “your” means any person who accesses or uses the Site.

“Content” means all text, images, data, software, and other materials available on or through the Site.

2. Use of the Site

2.1 You may use our Site for lawful purposes only. You must not use our Site in any way that breaches any applicable local, national, or international law or regulation.

2.2 You must not:

(a) use the Site in any way that is unlawful, fraudulent, or harmful;

(b) use the Site to transmit any unsolicited or unauthorised advertising or promotional material;

(c) attempt to gain unauthorised access to any part of the Site, the server on which the Site is stored, or any server, computer, or database connected to the Site;

(d) attack the Site via a denial-of-service attack or a distributed denial-of-service attack;

(e) use the Site to knowingly transmit any data that contains viruses, trojan horses, worms, or any other harmful programs.

3. Accounts

3.1 If you create an account on our Site, you are responsible for maintaining the confidentiality of your account credentials and for all activities that occur under your account.

3.2 You agree to notify us immediately of any unauthorised use of your account.

3.3 We reserve the right to disable any account at any time if, in our reasonable opinion, you have failed to comply with these Terms.

4. Intellectual Property

4.1 All content on the Site, including but not limited to text, graphics, logos, icons, images, audio clips, digital downloads, and software, is the property of PHD24 Ltd or its content suppliers and is protected by applicable intellectual property laws.

4.2 You may not reproduce, distribute, modify, create derivative works from, publicly display, publicly perform, republish, download, store, or transmit any content from our Site without our prior written consent.

5. Services

5.1 We provide the following services through our Site: Advice on plumbing, heating and drainage issues. Approximate quotes for fixing plumbing, heating and drainage issues. Ability to book a plumbing, heating & drainage engineer.

5.2 We reserve the right to modify, suspend, or discontinue any part of our services at any time, with or without notice.

5.3 We will use reasonable efforts to ensure the accuracy of information provided on the Site, but we do not warrant that such information is complete, accurate, or up-to-date.

6. Payments and Refunds

6.1 Where applicable, all prices are stated in GBP and include VAT where required by law.

6.2 Refunds may be requested within 14 days of purchase. Refund requests must be made in writing to us.

6.3 Your statutory rights under the Consumer Rights Act 2015 are not affected by these Terms.

7. Limitation of Liability

7.1 To the fullest extent permitted by law, PHD24 Ltd shall not be liable for any indirect, incidental, special, consequential, or punitive damages, or any loss of profits, revenue, data, or goodwill, whether caused by tort (including negligence), breach of contract, or otherwise, arising from your use of the Site or our services.

7.2 Our total aggregate liability to you for any claims arising from your use of the Site or our services shall not exceed the total amount paid by you for the service in the 12 months preceding the event giving rise to the liability.

7.3 Nothing in these Terms shall exclude or limit our liability for: (a) death or personal injury caused by our negligence; (b) fraud or fraudulent misrepresentation; or (c) any other liability that cannot be excluded or limited by applicable law.

8. Indemnification

You agree to indemnify, defend, and hold harmless PHD24 Ltd, its directors, officers, employees, and agents from and against any claims, liabilities, damages, losses, and expenses (including reasonable legal fees) arising from your use of the Site or your violation of these Terms.

9. Third-Party Links

Our Site may contain links to third-party websites that are not owned or controlled by us. We have no control over the content, privacy policies, or practices of any third-party websites and assume no responsibility for them. You access such websites at your own risk.

10. Privacy

Your use of the Site is also governed by our Privacy Policy, which is available on our Site. Please review our Privacy Policy to understand our data practices.

11. Termination

We may terminate or suspend your access to the Site immediately, without prior notice or liability, for any reason, including if you breach these Terms. Upon termination, your right to use the Site will immediately cease.

12. Disclaimer of Warranties

The Site and its content are provided on an “as is” and “as available” basis without warranties of any kind, either express or implied, including but not limited to implied warranties of merchantability, fitness for a particular purpose, and non-infringement.

13. Changes to These Terms

We reserve the right to modify these Terms at any time. Changes will be effective immediately upon posting on the Site. Your continued use of the Site after changes constitutes acceptance of the modified Terms.

14. Severability

If any provision of these Terms is found to be unenforceable or invalid, that provision will be limited or eliminated to the minimum extent necessary so that these Terms will otherwise remain in full force and effect.

15. Entire Agreement

These Terms, together with our Privacy Policy, constitute the entire agreement between you and PHD24 Ltd regarding the use of the Site.

16. Governing Law

These Terms shall be governed by and construed in accordance with the laws of England and Wales. Any disputes arising under these Terms shall be subject to the exclusive jurisdiction of the courts of England and Wales.

17. Contact Us

If you have any questions about these Terms, please contact us through the Site.