--- title: "BMS Swanley, London & the South East | BIAV Controls" description: "Swanley-based Building Management System specialists covering London and the South East. Design, install, service and 24/7 call-out. 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Planned Preventive Maintenance contracts are offered with defined SLAs, and remote monitoring / remote access is available so we can diagnose and resolve issues before they become site visits." } }, { "@type": "Question", "name": "How is pricing structured?", "acceptedAnswer": { "@type": "Answer", "text": "BMS work is bespoke and project-based, so we don't publish 'from' prices. Send us the specification, drawings or a brief description of the site and we'll come back with a written quote: quote on application." } }, { "@type": "Question", "name": "Do you work direct or as a subcontractor to M&E contractors?", "acceptedAnswer": { "@type": "Answer", "text": "Both. A significant portion of our work is subcontracted M&E delivery under formal contract, and we also work directly with end clients: landlords, facilities teams, healthcare trusts and building owners." } }, { "@type": "Question", "name": "What warranty do you provide on installations and panels?", "acceptedAnswer": { "@type": "Answer", "text": "A one-year workmanship warranty is standard on installations and panels, in addition to the underlying manufacturer warranties on supplied equipment." } } ] } ] --- 52 Selah Drive, Swanley, BR8 7WD 24/7 phones answered · 2hr SLA response [accounts@biav-controls.co.uk](mailto:accounts@biav-controls.co.uk)[](https://www.instagram.com/biav_controls)[](https://www.linkedin.com/in/bradley-thomas-62a0901b6/) [![BIAV Controls](/__l5e/assets-v1/aa32365b-edd5-4700-8950-51fcbb3a024c/biav-logo.webp)](/) Services Service Areas [About](/about) Our Work [Contact](/contact) [07782 247022](tel:+447782247022)[Request a Quote](/contact) 24/7 phones answered · London & the South East # Building Management Systems for London & the South East Swanley-based BMS specialists, engineered for uptime, efficiency & control. Family-run BMS specialist delivering smart, energy-efficient solutions to support net zero buildings: bespoke design, installation, maintenance and 24/7 call-out cover for commercial, healthcare, data-centre and industrial clients across London. [Request a Free Quote](/contact) [Call 07782 247022](tel:+447782247022) 13+ years hands-on 2-hour SLA response Open-protocol systems BS EN 61439 panels 13+ Years hands-on BMS experience 2 hr On-site SLA for contract clients 24/7 Phones answered, every day £20M Public liability insurance Services ## Full-lifecycle BMS delivery,from pre-design to handover. Design coordination, panel manufacture, electrical installation, software and graphics, commissioning, and ongoing maintenance, delivered by engineers who came up on the tools. [![BIAV Controls laptop running Trend IQVision alongside a legacy Trend IQ BMS panel during a scheduled service visit](/__l5e/assets-v1/be0f2c1f-fae5-4e12-af7f-63546d418c76/This_is_a_service_visit_on_a_old_Bms_system.jpeg) BMS Service Scheduled service visits that keep plant efficient, compliant and audit-ready. Learn more ](/services/bms-service)[![Six Hamworthy Stratton condensing boilers on a new LTHW system, all controlled from the BMS by BIAV Controls](/__l5e/assets-v1/b84023a1-9470-4e8b-aa95-9a52fd602068/Recent_project_works_LTHW_system_6_boilers_all_controlled_from_Bms2.jpeg) BMS Installation New-build and refurbishment installations, commissioned to specification. Learn more ](/services/bms-installation)[![Trend IQView4 HMI showing an active AHU Common Fault alarm attended on a 24/7 BMS call-out](/__l5e/assets-v1/52077a86-d494-4089-a291-676bc7275e13/Another_call_out_for_a_alarm_on_AHU_system.jpeg) BMS Call Out 24/7 phones answered. On-site within 2 hours for contracted clients. Learn more ](/services/bms-call-out)[![Chilled water secondary pump and chilled-beam BMS mimic developed at pre-design stage](/__l5e/assets-v1/6dbf1d01-ef52-4dbc-aeaf-7015f1dcfbf8/Software_Graphic_Designs3.jpeg) BMS Pre-Design Points schedules, controls narratives and specifications that hold up on site. Learn more ](/services/bms-pre-design)[![70 Gray's Inn Road, London: a BIAV Controls end-to-end BMS site optimisation project](/__l5e/assets-v1/aa1cf3e5-3a17-4777-9d1b-1bad04b277f2/Completed_full_site_optimisation_works_at_70_greys_in_and_added_touch_15_inch_touch_display_screens_to_7_tentsnt_floors_to_give_them_full_control_of_there_system4.jpeg) BMS Projects End-to-end delivery: design, install, commission, handover. Learn more ](/services/bms-projects)[![BIAV-designed BMS control panel with INNON HMI, boiler and secondary pump status, built to BS EN 61439](/__l5e/assets-v1/e87b4a38-bbb0-4601-a8f1-37d98d28bbd4/Panel_controlling_the_boilers.jpeg) BMS Panel Manufacturing Designed in-house, built to BS EN 61439 by our panel-shop partner. Learn more ](/services/bms-panel-manufacturing)[![AHU02A BMS mimic graphic designed by BIAV Controls for Royal London Hospital (NHS Skanska)](/__l5e/assets-v1/46ed4ee4-5ecc-4e16-a126-7a929733520b/Software_Graphic_Designs2.jpeg) BMS Software & Graphics Clean supervisor graphics and control strategies operators actually use. Learn more ](/services/bms-software-graphics)[![iSMA-Niagara BMS controller with dressed terminals and containment on a school ASHP electrical installation](/__l5e/assets-v1/7699f4cc-ce46-4c3d-a017-f993de9cacc8/Small_project_from_a_air_source_heat_pump_system_in_local_school1.jpeg) BMS Electrical Installation Certified installation via partner electricians (NICEIC/ECS/CSCS). Learn more ](/services/bms-electrical-installation)[![Commercial LTHW plantroom with Grundfos pumps and Siemens actuators maintained under a PPM contract](/__l5e/assets-v1/21610a49-a752-4c3d-9f49-44ce2b9dd4f4/Another_service_visit_on_a_old_system3.jpeg) BMS Maintenance PPM contracts with SLAs, remote monitoring and reactive cover. Learn more ](/services/bms-maintenance)[![15-inch touch display screens installed on tenant floors at 70 Gray's Inn Road as part of a BMS site optimisation project](/__l5e/assets-v1/8cb152a7-db95-4bb7-99da-1907b1d8e0d9/Completed_full_site_optimisation_works_at_70_greys_in_and_added_touch_15_inch_touch_display_screens_to_7_tentsnt_floors_to_give_them_full_control_of_there_system1.jpeg) BMS Energy Optimisation Cut HVAC energy by tuning what you already own, evidenced in the data. Learn more ](/services/bms-energy-optimisation) Why BIAV ## Engineered by people whostarted on the tools. Bespoke design, in-house Points schedules, controls narratives, software and supervisor graphics are all authored in-house by engineers, not outsourced. BS EN 61439 panels Every panel is designed by us and manufactured to BS EN 61439 by our panel-shop partner, audit-ready and built for the site it lands on. Open, vendor-independent BACnet, Modbus, KNX, LON and M-Bus. You keep control of your building: no proprietary lock-in. 24/7 human response Phones answered around the clock, every day. Contract clients see engineers on-site within two hours, including 3am NHS call-outs. Products we supply & integrate Tridium (Niagara) Distech Controls ABB Mitsubishi Electric Phoenix Contact iSMA Controlli Janitza Circutor Thermokon SkySpark Supplied through our distributor partnership with Forest Rock. Sectors ## Trusted where downtimeis not an option. We deliver both directly to end clients and as subcontractor to M&E contractors across the sectors where BMS performance is business-critical. Commercial offices Healthcare Education Data centres Retail Leisure Industrial Residential Proof point ## £4,000 / month saved on one of our site optimisation projects. On a recent site optimisation project for a commercial client we identified over £4,000 per month in avoidable spend, recovered through sub-metering, monitoring & targeting, and control-strategy optimisation. BMS isn't just about comfort; run properly it pays for itself. [Book an audit](/contact)[Energy & sustainability](/services) £48k Annualised saving identified Sub-metering Circuit-level visibility M&T dashboards Live consumption tracking Net-zero ready Efficiency upgrade path Coverage ## Serving London& the South East. Based in Swanley, on the London/Kent border. Engineers cover the City, the South East London boroughs, north-west Kent and beyond, with rapid response for contracted sites. [Swanley ](/service-areas/swanley)[Dartford ](/service-areas/dartford)[Sevenoaks ](/service-areas/sevenoaks)[Orpington ](/service-areas/orpington)[Sidcup ](/service-areas/sidcup)[Bexley ](/service-areas/bexley)[Bromley ](/service-areas/bromley)[Greenwich ](/service-areas/greenwich)[Croydon ](/service-areas/croydon)[Gravesend ](/service-areas/gravesend)[South East London ](/service-areas/south-east-london)[City of London ](/service-areas/city-of-london)[Canary Wharf ](/service-areas/canary-wharf) FAQs ## Straight answers,before we speak. Anything not covered here? Call us on [07782 247022](tel:+447782247022). How quickly do you respond to a BMS call-out? + Our phones are answered 24/7, 365. For contracted clients we guarantee response times per SLA, typically on-site within two hours, including out-of-hours. Reactive, non-contract call-outs receive a response within 24 hours. Which protocols and systems do you support? + We work with open, vendor-independent protocols including BACnet, Modbus, KNX, LON and M-Bus. Through our partnership with Forest Rock we supply and integrate products from ABB, Distech Controls, Mitsubishi Electric, Tridium (Niagara), iSMA Controlli, Phoenix Contact and others. Do you offer PPM contracts and remote monitoring? + Yes. Planned Preventive Maintenance contracts are offered with defined SLAs, and remote monitoring / remote access is available so we can diagnose and resolve issues before they become site visits. How is pricing structured? + BMS work is bespoke and project-based, so we don't publish 'from' prices. Send us the specification, drawings or a brief description of the site and we'll come back with a written quote: quote on application. Do you work direct or as a subcontractor to M&E contractors? + Both. A significant portion of our work is subcontracted M&E delivery under formal contract, and we also work directly with end clients: landlords, facilities teams, healthcare trusts and building owners. What warranty do you provide on installations and panels? + A one-year workmanship warranty is standard on installations and panels, in addition to the underlying manufacturer warranties on supplied equipment. Request a quote ## Send us the spec.We'll come back within one working day. Every BMS project is bespoke, so we quote on application. Share drawings, a points schedule, or just a description of the site and we'll take it from there. 07782 247022 · 24/7 2-hour on-site SLA for contracted clients £20M PL · £10M EL · £10M PI Project enquiry ![BIAV Controls](/__l5e/assets-v1/aa32365b-edd5-4700-8950-51fcbb3a024c/biav-logo.webp) Family-run BMS specialist delivering smart, energy-efficient solutions to support net zero buildings across London and the South East. Bespoke design, BS EN 61439 panels, open-protocol systems. [07782 247022 ](tel:+447782247022)[accounts@biav-controls.co.uk](mailto:accounts@biav-controls.co.uk) 52 Selah Drive Swanley, Sevenoaks BR8 7WD [](https://www.instagram.com/biav_controls)[](https://www.linkedin.com/in/bradley-thomas-62a0901b6/) Services - [BMS Service](/services/bms-service) - [BMS Installation](/services/bms-installation) - [BMS Call Out](/services/bms-call-out) - [BMS Pre-Design](/services/bms-pre-design) - [BMS Projects](/services/bms-projects) - [BMS Panel Manufacturing](/services/bms-panel-manufacturing) - [BMS Software & Graphics](/services/bms-software-graphics) - [BMS Electrical Installation](/services/bms-electrical-installation) - [BMS Maintenance](/services/bms-maintenance) - [BMS Energy Optimisation](/services/bms-energy-optimisation) Service Areas - [Swanley](/service-areas/swanley) - [Dartford](/service-areas/dartford) - [Sevenoaks](/service-areas/sevenoaks) - [Orpington](/service-areas/orpington) - [Sidcup](/service-areas/sidcup) - [Bexley](/service-areas/bexley) - [Bromley](/service-areas/bromley) - [Greenwich](/service-areas/greenwich) - [Croydon](/service-areas/croydon) - [Gravesend](/service-areas/gravesend) - [South East London](/service-areas/south-east-london) - [City of London](/service-areas/city-of-london) - [Canary Wharf](/service-areas/canary-wharf) Company - [About](/about) - [Our Work](/our-work) - [Case Studies](/case-studies) - [FAQs](/faq) - [Contact](/contact) - [Leave a review](https://search.google.com/local/writereview?placeid=ChIJDUK3gbWt2EcRTEnbDZS2st8) Hours: 24/7 Company No. 16344714 © 2026 BIAV Controls Limited. 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