HVAC and Block Maintenance Company in London: the team landlords and managing agents actually trust

Mainteniq is a Westminster-based property maintenance company covering Greater London. We specialise in service and maintenance for HVAC, MVHR, HIU & CIU, fan coil units and building systems, keeping residential, commercial and multi-unit properties running efficiently long-term.

Our core services are HVAC maintenance in London, HIU servicing for residential blocks, BMS installation, planned maintenance contracts and emergency HVAC repair, with compliance certificates coordinated on the same schedule.

1000+

Happy Customers

15+

Years in Maintenance

2500+

Assets Maintained

Why Work With Mainteniq

We combine specialist HVAC expertise with full property maintenance, one team, one contract, one call.

Gas Safe Work Covered

All gas regulated work: CP12, boiler servicing, gas appliances: is carried out by Gas Safe registered engineers on behalf of Mainteniq.

F-Gas Certified

All air conditioning engineers are F-Gas certified under UK regulations.

Fully Insured

Public liability insurance in place for every job, certificate available on request.

Planned & Reactive

PPM contracts plus emergency response: all under one roof.

Specialist HVAC Focus

Deep expertise in FCU, HIU, CIU, MVHR and BMS systems.

Digital Reports

Photographic evidence, checklists and recommendations after every visit.

Who We Serve

Landlords

Portfolio & single-property landlords across London

Airbnb Hosts

Short-let operators needing reliable, fast service

Property Managers

Block management and property management companies

Build-to-Rent

BTR operators and housing associations

How a Maintenance Partnership Works

From initial assessment to ongoing care and transparent reporting, here's how we keep your systems performing.

01Site Assessment: Mainteniq maintenance partnership step in London

Site Assessment

Asset survey and condition review to prioritise maintenance needs

02Planned Maintenance: Mainteniq maintenance partnership step in London

Planned Maintenance

PPM schedule aligned to manufacturer guidance and building usage

03Rapid Response: Mainteniq maintenance partnership step in London

Rapid Response

Same-day call-outs with first-time fix approach for breakdowns

04Reporting & Review: Mainteniq maintenance partnership step in London

Reporting & Review

Clear digital reports, recommendations and ongoing optimisation

Service Excellence Standards

Our commitment to exceptional service is backed by measurable standards and guarantees.

Same-Day Emergency Response

Emergency calls answered live and an engineer on site the same day

Quality Assurance

Multi-point inspection on every job with a photographed report through Maintivo

Professional Standards

All technicians certified, background checked, and continuously trained

Customer Service Excellence

Dedicated support team and transparent digital reporting after every visit

Maintenance Results & Impact

Lower Bills

Energy Savings

Clean coils, correct set points and tuned controls cut the energy a building wastes every month

Gas Safe

Work Covered

All gas regulated work delivered via Gas Safe registered engineers. F-Gas certified (REF1024168) for all refrigerant and air conditioning work.

First Visit

Fix It Once

Engineers arrive with the common parts for HIUs, FCUs and MVHR so most faults are resolved on the first visit

Certifications & Credentials

Every engineer carries their certification documentation on site.

SafeContractor Approved (SSIP)
Certificate NZ2372
Alcumus SafeContractor · UKAS-accredited SSIP
Valid to 9 June 2027
F-Gas Stationary Equipment
REF1024168
Refcom Certification Ltd (BESA Group)
Valid to March 2029
NICEIC Domestic Ventilation
DV-02 · 24/DV-2/288/2936
NICEIC
Valid to March 2029
SAV Advanced HIU Service Engineer
PERS-30839
SAV Systems
Valid to March 2028
Heat Interface Unit Training
Herts Energy Academy
January 2022
BMS Control Systems Training
Innotech / Uxbridge College
April 2022
For Gas Safe regulated work, including CP12 Gas Safety Certificates, gas appliance servicing, and gas-side boiler work, Mainteniq engages qualified Gas Safe registered engineers as part of our service delivery. Your contract is with Mainteniq; the work is performed by appropriately certified specialists. This is standard practice across UK property maintenance services and ensures every job is carried out legally and to current standards.

Powered by

Maintivo: field service software for small teams

Digital Job Tracking & Reporting

Mainteniq runs on Maintivo, field-service software built for small teams. We use it to schedule planned maintenance, log inspections and work orders, and deliver clear digital reports. Every visit is recorded, so you always have an up-to-date history of the work carried out on your property.

Experience the Mainteniq Difference

Join property professionals who trust us for their London maintenance needs. Let's discuss how we can serve you.

Emergency line. Same-day response across London.

Something broken right now? Speak to an engineer.

A clear price before any work starts, and a written report after. For planned servicing, compliance certificates and contracts, WhatsApp us and we will call you back.

REFCOM certified REF1024168Gas Safe registered engineersSafeContractor approvedNICEIC certified

Emergency HVAC and heating repair in London