Premium Domestic
Boiler & Gas Services
Boiler & Gas Services
GAS SAFE CERTIFIED MECHANICAL ENGINEERS
Highly trained residential gas engineers specializing in luxury system installations, smart thermostats, safety inspections, boiler maintenance, and rapid breakdown support.
DIAGNOSTIC STATUS: OK
M_SYS_v3.0
TARGET TEMP
21.0
C
o
FLOW PRESSURE
FLAME STATE
1.4 Bar
MODULATING
SUPPORT HOTLINE
Immediate direct callback for emergency leaks and critical shutdowns.
DOMESTIC SERVICES
GAS SAFE COMPLIANT
GAS BOILER INSTALLATION
Replacement of old boilers with modern, high-efficiency combi, system, or conventional boilers featuring up to 10-year warranties.
DOMESTIC
GAS SAFE COMPLIANT
BOILER SERVICING AND ANNUAL MAINTENANCE
Comprehensive physical strip-down, combustion gas test, and seal replacement to keep your warranty valid and safety guaranteed.
DOMESTIC
GAS SAFE COMPLIANT
BOILER REPAIRS AND FAULT DIAGNOSIS
Rapid diagnostic troubleshooting and repair of all major boiler brands (Worcester, Vaillant, Baxi, Ideal) with genuine manufacturer parts.
DOMESTIC
GAS SAFE COMPLIANT
CENTRAL HEATING INSTALLATION
Design and layout of complete new central heating systems, incorporating energy-saving system controls and high-performance plumbing.
DOMESTIC
GAS SAFE COMPLIANT
CENTRAL HEATING REPAIRS AND MAINTENANCE
Replacing faulty zone valves, mechanical room thermostats, expansion vessels, or auto-air vents to return warmth to cold systems.
DOMESTIC
GAS SAFE COMPLIANT
RADIATOR INSTALLATION, REPLACEMENT, AND BALANCING
Fitting modern designer or standard panel radiators and balancing thermostatic valves (TRVs) to eliminate cold rooms and uneven heat.
DOMESTIC
GAS SAFE COMPLIANT
GAS SAFETY INSPECTIONS
Complete inspection of all household gas-fired appliances, ventilation, and pipework pressure to guarantee family protection.
DOMESTIC
GAS SAFE COMPLIANT
LANDLORD GAS SAFETY CERTIFICATES (CP12)
Official landlord certificates issued post-inspection to legally satisfy your gas safety obligations for rented residential properties.
DOMESTIC
GAS SAFE COMPLIANT
GAS APPLIANCE INSTALLATION
Safe, certified connection of household gas appliances including cookers, hobs, freestanding ovens, and domestic water heaters.
DOMESTIC
GAS SAFE COMPLIANT
GAS APPLIANCE SERVICING AND REPAIRS
Safety-critical checking, cleaning, and testing of household gas fireplaces, ranges, wall heaters, and utility appliances.
DOMESTIC
GAS SAFE COMPLIANT
GAS LEAK DETECTION AND REPAIRS
Emergency gas trace and access testing. Under pressure drops, we isolate leaks and make immediate structural line repairs.
DOMESTIC
GAS SAFE COMPLIANT
GAS PIPEWORK INSTALLATION AND MODIFICATIONS
Relocating existing meters, running new copper pipe runs for cookers, or capping off unused gas points safely.
DOMESTIC
GAS SAFE COMPLIANT
SMART THERMOSTAT INSTALLATION
Connecting advanced multi-zone smart controllers (Nest, Hive, Tado) allowing you to adjust heating from your phone and save money.
DOMESTIC
GAS SAFE COMPLIANT
POWER FLUSHING AND HEATING SYSTEM CLEANING
Chemical high-velocity power flushing to clear heavy iron oxide sludge, restore boiler efficiency, and clear noisy radiators.
DOMESTIC
GAS SAFE COMPLIANT
EMERGENCY CALL-OUT SERVICES
Rapid response for total heating loss, burst central heating pipes, gas odors, or leaking boiler units.
DOMESTIC
GAS SAFE COMPLIANT
PUMPS, VALVES & PIPEWORK MAINTENANCE
Routine inspections and replacement of critical system fittings, circulation pumps, control valves, and balancing headers.
COMMERCIAL
GAS SAFE COMPLIANT
ENERGY-EFFICIENCY UPGRADES AND ADVICE
Detailed analysis of home heat loss, thermostatic valves, bypass loops, and boiler controls to reduce winter utility bills.
DOMESTIC
GAS SAFE COMPLIANT
HOT WATER CYLINDER INSTALLATION AND REPAIRS
Fitting and repair of direct and indirect unvented (mains pressure) hot water cylinders, immersion heaters, and open-vented copper tanks.
DOMESTIC
GAS SAFE COMPLIANT
UNDERFLOOR HEATING INSTALLATION AND MAINTENANCE
Design and laying of multi-zone wet underfloor heating (UFH) systems, manifold connections, and smart thermostats.
DOMESTIC
GAS SAFE COMPLIANT
CARBON MONOXIDE DETECTOR INSTALLATION
Hardwired or long-life battery CO alarm installations placed strictly according to safety positions near fuel-burning units.
DOMESTIC
Approved commercial, and domestic gas safety and heating engineers. Serving corporate campuses, healthcare, hospitality, educational facilities, and premium residential estates.
GAS SAFE:
QUICK LINKS
SUPPORT & EMERGENCY DISPATCH
ENGINEERING HOTLINE
COMMERCIAL & ESTIMATING EMAIL
UK COVERAGE HEADQUARTERS
Dispatch | Operations center, London & Midlands Hubs
© 2026 Malachi Heating. All rights reserved. Part of the Malachi Contractors Group.
Gas Safe registration details are subject to active mechanical validation. Regulatory compliance audits carried out strictly under HSE directive guidelines.
Your Trusted Partner for
COMMERCIAL & DOMESTIC
HEATING SERVICES
DOMESTIC LANDLORD COMPLIANCE
LANDLORD GAS SAFETY CERTIFICATES (CP12)
Under the Gas Safety (Installation and Use) Regulations 1998, UK landlords must obtain an annual Gas Safety Certificate (CP12) for all gas appliances, flues, and lines in rented residential premises.
FULL FLUE AND PRESSURE TIGHTNESS TESTING INCLUDED
DIRECT PDF DISPATCH AND AUTOMATED COMPLIANCE REMINDERS
WHY MALACHI HEATING IS PREFERRED:
RAPID PDF ISSUANCE
Certificates are dispatched immediately on-site via email.
ON-THE-SPOT RECTIFICATION
Minor pressure drop leaks fixed during inspection if possible.
SMART HOME INTEGRATIONS
Expert installer-status for Nest, Hive, and Tado controls.