Business Details
31 Years
experience
Emergency
services
Your Trusted Aylesbury Plumbing & Heating Experts
Established in 1995 by Gareth Knell, GK Plumbing has served Bucks, Beds, Herts, and Oxon for 30 years. As a Gas Safe and OFTEC registered company, we specialise in gas, LPG, and oil appliance installations and repairs. Our team holds a 9.81 Checkatrade rating from 200+ reviews, reflecting our commitment to excellence. We are Worcester Bosch Accredited Partners, offering up to a 12-year guarantee on boiler installations. With over 50 years of combined experience across our team, we provide comprehensive domestic plumbing and heating solutions, including boiler repairs, power flushing, bathroom renovations, and emergency services.Our public liability insurance of 5 million and Gas Safety certifications underscore our dedication to safety and quality. We prioritise customer satisfaction through transparent communication, punctuality, and meticulous workmanship, ensuring every project meets the highest standards.
Services
Boiler Repairs
Boiler Servicing
Emergency Plumbing
Bathroom Renovations
Power Flushing
Gas Safety Certificates
Tiling Services
Central Heating Installations
Details
- Year established: 1995
Highlights and features
- 30 years of local plumbing expertise
- 24/7 emergency breakdown service available
- Up to 12-year guarantees on boiler installations
- Gas Safe and OFTEC registered engineers
- 9.81 Checkatrade rating from 200+ verified reviews
Associations and certifications
- Gas Safe Register
- OFTEC
- Worcester Bosch Accredited Partner
- Checkatrade
What people say
Excellent quality work
Helpful engineers
Kept house clean
Reliable and efficient
Went the extra mile
Services
Boiler Repairs
Our Gas Safe registered engineers provide rapid boiler repair services across Buckinghamshire. Available 24/7 for emergency breakdowns, we diagnose and fix all boiler types including gas, LPG, and oil systems. With same-day response for urgent cases and comprehensive diagnostics, we restore heating functionality while ensuring safety compliance. Customers benefit from transparent pricing and guaranteed repairs.
Boiler Servicing
We offer thorough boiler servicing with up to 14.50 savings on annual checks. Our engineers perform safety tests, clean components, and issue Gas Safety Certificates. Regular maintenance prevents breakdowns, improves efficiency, and maintains warranty validity. Landlords receive CP12 certificates, while homeowners get annual reminders with discount vouchers for continued system reliability.
Bathroom Renovations
From small-scale installations to complete bathroom overhauls, our team delivers tailored solutions. We offer full design, supply, and installation services with dedicated project managers. Services include tiling, plumbing fixtures, and space optimisation for all bathroom sizes. Customers receive bespoke designs combining functionality with aesthetic appeal, completed by experienced tradespeople.
Power Flushing
Our power flushing service removes sludge and debris from central heating systems using specialist equipment. The process includes chemical cleaning, inhibitor application, and radiator balancing. This restores system efficiency, reduces fuel costs, and extends boiler lifespan. We handle systems of all sizes from small flats to large properties with minimal disruption.
Emergency Plumbing
Available round-the-clock for urgent plumbing issues, our emergency service addresses burst pipes, leaks, and heating failures. Engineers carry essential parts for immediate fixes, with same-day response guaranteed. The service covers all domestic plumbing emergencies, prioritising rapid resolution to prevent property damage while maintaining safety standards.
People
Gareth Knell
Director & Founder
Gareth established GK Plumbing in 1995 after completing an apprenticeship. With Gas Safe qualifications across multiple heating systems, he brings extensive industry knowledge. He maintains long-term customer relationships while overseeing daily operations and strategic direction.
Kelly Knell
Company Secretary
Joining in 2005, Kelly manages operations and digital marketing. Her background in product design enhances our customer communication strategies. She coordinates service scheduling and ensures smooth office management.
Dan Watson
Technical Sales Manager
With prior experience in plumbing supply sales, Dan bridges customer needs with technical solutions. He manages large projects from design to completion, leveraging industry knowledge to provide tailored recommendations.
Lee Davidson
Plumbing Engineer
A qualified engineer specialising in gas, oil, and LPG systems, Lee handles complex diagnostics and emergency repairs. His technical expertise ensures reliable solutions for challenging heating problems.
Marc Hobley
Heating Engineer
Specialising in gas boiler installations, Marc combines technical skill with customer service. He mentors apprentices while delivering installations with precision and attention to detail.
Questions
How quickly can emergency plumbing repairs be completed?
We aim for same-day resolution of emergency plumbing issues. For non-urgent cases, appointments are typically scheduled within the week, subject to engineer availability.
Do you provide guarantees on plumbing work?
All services include a 12-month guarantee. New boilers carry manufacturer warranties up to 12 years, with public liability insurance coverage of £5 million.
Are your engineers Gas Safe registered?
Yes, all our heating engineers are Gas Safe registered. We also hold OFTEC certification and are Worcester Bosch Accredited Partners for quality assurance.
Can you help with landlord gas safety certificates?
We provide Landlord Gas Safety Certificates (CP12) and can arrange annual inspections directly with tenants. Our engineers handle all compliance requirements for rental properties.
What payment options are available for boiler installations?
We offer 0% finance options on all boiler installations. Customers can also pay via credit/debit card or arrange alternative payment plans before work commencement.
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