# Gemini AMPM Ltd: full page index

> Expanded companion to https://geminiampm.co.uk/llms.txt. Every service pillar, service page and published article on geminiampm.co.uk, with a short description of each. Gemini AMPM is a UK fire safety, security, ventilation, gas suppression and passive fire contractor based in Burgess Hill, West Sussex. Phone: 0330 043 0080. Email: info@geminiampm.co.uk.

## Service pillars

- [Fire Systems](https://geminiampm.co.uk/fire/): BS 5839-1 fire alarms, AOV smoke extract, disabled refuge and PAVA: designed, installed and 24/7 monitored. BAFE-registered (ID 302260) since 1997.
- [Passive Fire Systems](https://geminiampm.co.uk/passive/): Fire doors, fire stopping, compartmentation and barriers from FIRAS-certificated installers. Building Safety Act golden-thread evidence with every job.
- [Security & Access Control](https://geminiampm.co.uk/security/): Intruder alarms, CCTV, access control and 24/7 ARC-monitored response, delivered by an NSI Gold approved installer. From SME estates to CNI multi-site security.
- [Ventilation & Air Quality](https://geminiampm.co.uk/ventilation/): AHU install and cleaning, AOV smoke extract, fire-damper testing, TR/19 hygiene, kitchen extract, cleanroom validation and water hygiene across UK estates.
- [Gas Fire Suppression Systems](https://geminiampm.co.uk/gas/): Inert and chemical gas suppression (FM-200, Novec 1230, IG-55) for data centres, comms rooms, archives. Design, install, integrity test, maintain.
- [Small Works & Project Remedials](https://geminiampm.co.uk/smallworks/): Closing out fire risk assessment actions, snags and minor projects, by the team that already knows the building. No new contract needed.
- [Mechanical & Electrical Services](https://geminiampm.co.uk/me/): Mechanical and electrical works that tie life-safety systems into the building: power, BMS, lighting, plant rooms. Coordinated with fire and security.

## Service pages

- [Fire Extinguishers](https://geminiampm.co.uk/fire/fire-extinguishers/): Fire extinguisher supply, commissioning and servicing to BS 5306-3, with siting and selection to BS 5306-8. Surveys, annual contracts and certification.
- [Fire Alarm Installation](https://geminiampm.co.uk/fire/fire-alarm-installation/): BAFE SP203-1 design, installation and commissioning of fire alarms to BS 5839-1:2025, categories L1 to P2, using Advanced MxPro panels and Hochiki detection.
- [Fire Alarm Service & Maintenance](https://geminiampm.co.uk/fire/fire-alarm-service-maintenance/): Fire alarm maintenance and servicing to BS 5839-1 Section 6. Six-monthly inspections, fault rectification, logbook records, 24-hour engineer response.
- [Evacuation Alert Systems](https://geminiampm.co.uk/fire/evacuation-alert-systems/): BS 8629 evacuation alert systems for high-rise residential buildings. Design, installation and maintenance of the dedicated panel your fire service will use.
- [Wireless Fire Alarms](https://geminiampm.co.uk/fire/wireless-fire-alarms/): Wireless fire alarm systems for commercial, listed and occupied buildings. EN 54-25 devices, BS 5839-1 design, BAFE SP203-1 installers. No cables, no mess.
- [Waking Watch Replacement](https://geminiampm.co.uk/fire/waking-watch-replacement/): Replace waking watch with a BS 5839-1 Category L5 common fire alarm, funded by the Homes England Interim Measures Alarm Fund. Wireless, installed in weeks.
- [Fire Alarm Monitoring](https://geminiampm.co.uk/fire/fire-alarm-monitoring/): Fire alarm monitoring with dual-path signalling to an alarm receiving centre. Every activation answered, verified and escalated, day or night.
- [Hybrid Fire Alarms](https://geminiampm.co.uk/fire/hybrid-fire-alarms/): Hybrid fire alarm systems combining wired panels with EN 54-25 wireless devices. One system, one panel, phased to suit live and refurbished buildings.
- [Nimbus Connect](https://geminiampm.co.uk/fire/nimbus-connect/): Nimbus Connect gives 24/7 cloud visibility of your fire alarm panels. Live status, real-time event alerts, test history and cloud-logged engineer testing.
- [Fire Alarm Remedial Works](https://geminiampm.co.uk/fire/fire-alarm-remedial-works/): Fire alarm remedial works that close out fire risk assessment actions. Faults fixed, non-conformities cleared and compliance evidenced to BS 5839-1.
- [Emergency Lighting](https://geminiampm.co.uk/fire/emergency-lighting/): BAFE SP203-4 registered emergency lighting: design, installation, commissioning and maintenance to BS 5266-1, plus monthly and annual testing and records.
- [Fire Doors](https://geminiampm.co.uk/passive/fire-doors/): Fire door surveys, installation and remedial work from a FIRAS-approved contractor. Quarterly checks under the Fire Safety (England) Regulations 2022.
- [Fire Stopping](https://geminiampm.co.uk/passive/fire-stopping/): Fire stopping maintenance and installation to tested details by a FIRAS-audited contractor from our West Sussex HQ. Collars, wraps, batts and sealants.
- [Compartmentation](https://geminiampm.co.uk/passive/compartmentation/): Fire compartmentation installation, surveys and remediation programmes with golden-thread records under the Building Safety Act 2022. FIRAS-approved teams.
- [Fire Safety Signage](https://geminiampm.co.uk/passive/fire-safety-signage/): Escape route and equipment signage to BS 5499 and ISO 7010, surveyed and fitted by a fire signage installer. Photoluminescent options for when lighting fails.
- [Fire Risk Assessments](https://geminiampm.co.uk/passive/fire-risk-assessments/): Independent PAS 79 fire risk assessors from our long-standing supply chain, a free second-opinion review, and one contractor to close the findings.
- [Fire Barriers](https://geminiampm.co.uk/passive/fire-barriers/): Cavity barriers and flexible fire barriers installed as tested systems. Fire barrier maintenance and void surveys that find what other trades left behind.
- [CCTV](https://geminiampm.co.uk/security/cctv/): IP CCTV engineered to the BS EN 62676 series, deployed GDPR-compliant and monitored to BS 8418 with visual verification. NSI Gold installed, 24-hour response.
- [Door Entry](https://geminiampm.co.uk/security/door-entry/): Video and audio door entry for multi-tenant residential and commercial buildings. Smartphone answering, face-recognition entry, HID hardware, NSI Gold fitted.
- [Intruder Alarms](https://geminiampm.co.uk/security/intruder-alarms/): Intruder alarms to BS EN 50131 Grade 2 and 3 under PD 6662, with BS 8243 sequential confirmation, ARC signalling and URN police response. NSI Gold installed.
- [Monitoring](https://geminiampm.co.uk/security/monitoring/): Alarm receiving centre monitoring for intruder, fire and CCTV signals. Keyholder response, cloud reporting under NSI NCP 104 and genuine out-of-hours cover.
- [Access Control](https://geminiampm.co.uk/security/access-control/): Networked access control to BS EN 60839-11 on Genetec Synergis and HID. Speed gates, QR visitor passes, Apple Wallet credentials, tenant-app integration.
- [Security Remedial Works](https://geminiampm.co.uk/security/security-remedial-works/): Fault rectification, upgrades and takeovers of poorly maintained security systems. Compliance uplifted to insurer requirements by an NSI Gold contractor.
- [AHU & Ductwork Installation](https://geminiampm.co.uk/ventilation/ahu-duct-installation/): Air handling units and ductwork designed, supplied and installed to DW/144. Commercial, healthcare and critical environments, nationwide since 1997.
- [Ventilation Service & Repair](https://geminiampm.co.uk/ventilation/service-repair/): Ventilation system service, maintenance and repair: PPM for AHUs, fans, filters and controls, plus 24-hour ventilation repair callouts UK-wide.
- [Fire Damper Testing](https://geminiampm.co.uk/ventilation/fire-damper-testing/): Fire and smoke damper drop testing to BS 9999. Annual programmes, photographic records and completed remedials from a fire-first specialist contractor.
- [Ventilation Hygiene](https://geminiampm.co.uk/ventilation/ventilation-hygiene/): TR19 ventilation hygiene and duct cleaning verified to BS EN 15780 cleanliness classes. Supply, extract and kitchen systems cleaned and certificated.
- [AOV & Smoke Extract](https://geminiampm.co.uk/ventilation/aov-smoke-extract/): AOV smoke ventilation systems installed to BS EN 12101, AOV testing and servicing to BS 7346-8, by fire specialists. London and nationwide from Sussex.
- [Air Conditioning](https://geminiampm.co.uk/ventilation/air-conditioning/): Commercial air conditioning installed, serviced and repaired by F-Gas certified engineers. TM44 inspections and 24-hour response across the UK.
- [Commissioning & Balancing](https://geminiampm.co.uk/ventilation/commissioning/): Ventilation commissioning and proportional air balancing to CIBSE Code A and BSRIA BG 49, with handover documentation building control accepts.
- [Ductwork Pressure Testing](https://geminiampm.co.uk/ventilation/pressure-testing/): Ductwork pressure and air leakage testing to DW/143. Leaks found, sealed, retested and certificated to DW/144 leakage classes. London and nationwide from Sussex.
- [AHU Cleaning](https://geminiampm.co.uk/ventilation/ahu-cleaning/): Air handling unit cleaning to TR19 with before-and-after photographic evidence, deposit and microbiological sampling, and certification for your records.
- [Cleanroom Validation & Commissioning](https://geminiampm.co.uk/ventilation/cleanroom-validation/): Cleanroom validation and commissioning to ISO 14644: particle counting, HEPA integrity testing, air balancing and pressure regimes, documented for audit.
- [Water Hygiene & Legionella Control](https://geminiampm.co.uk/ventilation/water-hygiene/): Legionella risk assessment to ACoP L8, tank and calorifier inspection and cleaning, temperature monitoring and UKAS-analysed sampling, all fully recorded.
- [System Design](https://geminiampm.co.uk/gas/design/): Gas suppression system design to BS EN 15004 and ISO 14520. Agent selection, hold-time calculations, venting and detection integration from Gemini AMPM.
- [Inert Gas (IG-55)](https://geminiampm.co.uk/gas/inert-gas/): IG-55 inert gas suppression from an approved Fike ProInert installer. Clean, residue-free protection for data centres, comms rooms and archives.
- [Chemical Agents](https://geminiampm.co.uk/gas/chemical-agent/): Novec 1230 and FM-200 clean agent suppression: fast discharge, compact storage and honest advice on the PFAS transition, all from Gemini AMPM.
- [Aerosol Suppression](https://geminiampm.co.uk/gas/aerosol/): Condensed aerosol fire suppression to BS EN 15276. Compact pipe-free units for switchrooms, plant rooms and battery enclosures, with minimal disruption.
- [Installation](https://geminiampm.co.uk/gas/installation/): Gas suppression installation and commissioning to BS EN 15004 and ISO 14520. Pipework, nozzles, cylinder banks and detection integration, done properly.
- [Maintenance & Servicing](https://geminiampm.co.uk/gas/maintenance-servicing/): Gas suppression maintenance to BS EN 15004: inspections, cylinder weighing, pressure checks and insurer-ready records, with 24-hour engineer response.
- [Repairs](https://geminiampm.co.uk/gas/repairs/): Gas suppression repairs: fault diagnosis, replacement parts, damaged pipework and post-discharge recharge and recommissioning. 24-hour engineer response.
- [Room Integrity Testing](https://geminiampm.co.uk/gas/room-integrity-testing/): Door-fan room integrity testing to ISO 14520 and BS EN 15004 Annex E. Verified agent hold times, leak remediation and insurer records from Gemini AMPM.

## News & insights

- [Prohibition notices up 27%: what the 2026 fire safety enforcement figures actually say](https://geminiampm.co.uk/news/fire-safety-enforcement-statistics-2026/): New MHCLG figures: 1,224 prohibition notices in a year, up 27%, while prosecutions fell to 33. What each notice does, and why the 21 day appeal matters.
- [AOV smoke ventilation systems explained: what they are, where the rules expect them, and how they work](https://geminiampm.co.uk/news/aov-smoke-ventilation-systems-explained/): What an AOV is, where Approved Document B expects one, natural versus mechanical smoke control, and why a vent that opens on test can fail in a fire.
- [Fire door rules did not change in 2026. Three other things did.](https://geminiampm.co.uk/news/fire-door-rules-2026-what-actually-changed/): No new fire door maintenance law arrived in 2026. The checking duty dates from January 2023. What did change: BS 8214, inspector competence and BS 476.
- [How often does a gas suppression system need servicing?](https://geminiampm.co.uk/news/gas-suppression-servicing-intervals/): Two engineer visits a year for most systems. What BS EN 15004 actually expects, what gets checked at each visit, and what happens after a discharge.
- [Flats above shops: the fire safety failures Sussex keeps prosecuting](https://geminiampm.co.uk/news/flats-above-shops-fire-safety-sussex/): Three Sussex prosecutions, one building type: flats over commercial units. What fire officers found in each case, and what to check in your own block.
- [Smoke vent testing: what the law actually requires, and how often](https://geminiampm.co.uk/news/smoke-vent-aov-testing-requirements/): AOVs and smoke vents are life safety equipment with legal testing duties attached. Who must test them, how often, and what the record has to show.
- [Shopping centre security regulations in the UK: what actually applies in 2026](https://geminiampm.co.uk/news/shopping-centre-security-regulations-uk/): No single law governs shopping centre security. Four regimes do: fire law, Martyn’s Law, data protection for CCTV and alarm response standards.
- [Gemini AMPM awarded BAFE SP203-4 emergency lighting certification](https://geminiampm.co.uk/news/bafe-sp203-4-emergency-lighting-certification/): Gemini AMPM is now BAFE SP203-4 registered for emergency lighting systems: a fourth scheme registration under Registered Organisation ID 302260.
- [Does your access control release in a fire? The BS 7273-4 questions every building owner should ask](https://geminiampm.co.uk/news/access-control-fire-alarm-release/): Access control and fire alarms are usually maintained by different contractors, and the interface is where compliance dies quietly. Five questions to ask.
- [Gemini AMPM approved for the Homes England IMAF supplier panel](https://geminiampm.co.uk/news/homes-england-imaf-supplier-panel-application/): Gemini AMPM is an approved Homes England Interim Measures Alarm Fund supplier panel member, the scheme replacing waking watch costs. Confirmed August 2026.
- [Cladding fund for under 11m buildings opens 17 August](https://geminiampm.co.uk/news/cladding-fund-under-11-metres/): The under 11 metres cladding fund opens 17 August 2026 for eight weeks. You cannot apply without a FRAEW, and the queue is decided by timestamp.
- [Two-thirds of building safety certificates refused](https://geminiampm.co.uk/news/building-assessment-certificate-reset/): The BSR has paused new building assessment certificate call-ins after refusing 66% this year. Why they fail, and the evidence your building needs.
- [Nine fire alarm faults, no risk assessment, £33,700 to pay](https://geminiampm.co.uk/news/fire-alarm-faults-prosecution/): A Somerset guest house was ordered to pay £33,700 after inspectors found nine fire alarm faults and no risk assessment. What to check in your building.
- [Fire alarm maintenance contracts: what BS 5839-1 requires and what a good contract includes](https://geminiampm.co.uk/news/fire-alarm-maintenance-contracts-bs-5839-1-guide/): What BS 5839-1:2025 requires of a fire alarm maintenance contract, what a proper service visit covers, and the red flags in a cheap quote.
- [Wireless fire alarm systems vs wired: the real cost comparison for commercial buildings](https://geminiampm.co.uk/news/wireless-vs-wired-fire-alarm-cost/): Wireless devices cost more, wireless installations often cost less, and neither number decides it. Where the money really goes, and where wired still wins.
- [Fire alarm monitoring options compared: ARC signalling, keyholder response and app-based alerts](https://geminiampm.co.uk/news/fire-alarm-monitoring-options-compared/): The Redcare era is over. Keyholder response, app alerts and ARC monitoring compared: who watches, who calls the fire service, what insurers accept.
- [Inert gas vs chemical agent fire suppression: which does your risk need?](https://geminiampm.co.uk/news/inert-gas-vs-chemical-agent-suppression/): Both are clean agents and both put the fire out, but they are very different to own. Floor space, discharge, room integrity, refills and PFAS compared.
- [TR19 Air and the Vent Hygiene Register: what building owners actually have to evidence](https://geminiampm.co.uk/news/tr19-air-vent-hygiene-register-explained/): TR19 split into Grease and Air, and VHR Air arrived in March 2026. What each covers, how often systems need cleaning, and the evidence insurers expect.
- [BAFE SP203-1 vs SP207: which certification matters for your fire system project](https://geminiampm.co.uk/news/bafe-sp203-1-vs-sp207-explained/): SP203-1 covers fire detection to BS 5839-1; SP207 covers evacuation alert to BS 8629. Who needs which, and how to check a contractor’s real scope.
- [The Fire Safety Order enforcement guidance just changed: what responsible persons need to know](https://geminiampm.co.uk/news/fire-safety-order-enforcement-guidance-2026/): MHCLG updated its Fire Safety Order enforcement guidance on 3 July 2026, adding a formal route for technical disputes. It runs entirely on documentation.
- [Martyn’s Law begins: June 2026 commencement starts the countdown to spring 2027](https://geminiampm.co.uk/news/martyns-law-june-2026-commencement/): Martyn’s Law: the first provisions of the 2025 Act took effect on 15 June 2026. What standard and enhanced tier premises must have ready.
- [Awaab’s Law phase 2: fire and electrical hazards on the clock from 30 November](https://geminiampm.co.uk/news/awaabs-law-phase-2-fire-hazards/): From 30 November 2026 Awaab’s Law covers fire and electrical hazards, with response clocks of 24 hours to 12 weeks that tenants can enforce.
- [PFAS and clean agent suppression: what data centre operators should do in 2026](https://geminiampm.co.uk/news/pfas-clean-agent-suppression-2026/): 3M has left the PFAS business and UK REACH is moving on firefighting foams. What owners of FK-5-1-12 and FM-200 suppression systems should actually do now.
- [Fire risk assessments: what the law actually requires, and a free second-opinion review service](https://geminiampm.co.uk/news/fire-risk-assessment-review-service/): Every non-domestic building in England needs a current fire risk assessment. Send us yours for a plain English second opinion and prioritised actions.
- [Wireless fire alarm systems: when wireless beats wired (and when it doesn’t)](https://geminiampm.co.uk/news/wireless-fire-alarm-systems-when-to-choose/): Wireless fire alarm systems have caught up with wired on reliability and certification. Here’s when wireless is the right choice.
- [Gas suppression vs sprinklers for data centres: which protects what](https://geminiampm.co.uk/news/gas-suppression-vs-sprinklers-data-centres/): Inert gas, chemical agent, or sprinklers: a clear comparison framework for IT and mission-critical environments.
- [Awaab’s Law and fire safety: what social housing landlords need to know in 2026](https://geminiampm.co.uk/news/awaabs-law-fire-safety-2026/): Fire hazards join Awaab’s Law on 30 November 2026. What social landlords need in place before the deadline, and the response clocks that follow.
- [Flagship success at Peterborough Court](https://geminiampm.co.uk/news/flagship-success-at-peterborough-court/): Gemini AMPM delivers a landmark fire, gas suppression and security project in the City of London.
- [Our transition to Employee Ownership: a new era of shared success](https://geminiampm.co.uk/news/gemini-ampms-transition-to-employee-ownership-a-new-era-of-shared-success/): In 2024 Gemini AMPM made a bold, future-focused decision to transition into an Employee Ownership Trust.