--- title: "BMS Contractor South East London - SE Postcodes, BR & DA | BIAV Controls" description: "BMS installation, service, panels, software and 24/7 call-out across South East London: SE1 through SE28 plus BR and DA postcodes. 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Contract clients receive a 2-hour on-site response across the SE postcodes." } }, { "@type": "Question", "name": "Can you handle large residential heat networks?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Sensor networks, weather compensation, HIU sequencing, metering integration and residential comfort complaints all sit inside our controls scope." } }, { "@type": "Question", "name": "Can you support SE London hospital and university estate?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Clinical and higher-education PPM, plantroom reactive cover, RAMS, full insurance and permit-to-work protocols honoured on every visit." } }, { "@type": "Question", "name": "Which BMS platforms do you work on across SE London?", "acceptedAnswer": { "@type": "Answer", "text": "Tridium Niagara, Trend, Siemens, Distech, Cylon, Honeywell and any BACnet/Modbus/LonWorks device, open protocol only." } }, { "@type": "Question", "name": "Are you fully insured?", "acceptedAnswer": { "@type": "Answer", "text": "£20M public liability, £10M employers' liability, £10M professional indemnity. Certificates issued ahead of mobilisation." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "/" }, { "@type": "ListItem", "position": 2, "name": "Service Areas", "item": "/service-areas" }, { "@type": "ListItem", "position": 3, "name": "South East London", "item": "/service-areas/south-east-london" } ] } ] --- 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) ![South East London skyline at dusk with the Thames, The Shard, Canary Wharf and the O2 dome](/assets/south-east-london-CDAm_15K.jpg) BMS contractor · South East London · SE1–SE28 · BR · DA # BMS contractor across South East London. SE postcodes, BR, DA. South East London is our engineering backyard, from Bankside and Bermondsey along the river through Peckham, Rotherhithe and Deptford, and out to the SE, BR and DA suburbs. One local team, one accountable engineer, one set of documentation. [Request a Quote](/contact) [Call 07782 247022](tel:+447782247022) 2-hour on-site SLA for contract clients 24/7 phones answered by an engineer Quote on application, in writing 1. [Home ](/) 2. [Service Areas](/service-areas) 3. South East London 13+ Years hands-on BMS experience 2 hr On-site SLA for contract clients 24/7 Phones answered, every day £20M Public liability insurance BS EN 61439 Panel build standard Local relevance ## BMS engineers whoactually know South East London. Based in Swanley on the London/Kent border: 20–45 minutes off-peak from Swanley depending on area. We work across Bankside, Bermondsey, Elephant & Castle, Peckham and the wider South East London on installation, service, maintenance and reactive call-out. We cover South East London Every South East London postcode: SE1 through SE28 alongside the surrounding BR (Bromley) and DA (Bexley/Dartford) postcodes. Bankside, Bermondsey, Elephant & Castle, Peckham, New Cross, Deptford, Rotherhithe, Camberwell, Dulwich, Forest Hill, Sydenham, Catford, Lewisham, Greenwich, Woolwich and everything east and south of the river sit inside our normal working area. Response times Contract clients across South East London receive a 2-hour on-site SLA; from Swanley, most SE postcodes are 20–45 minutes off-peak. 24/7 phones answered by a controls engineer. South East London property types Riverside commercial developments, mixed-use podium schemes, dense residential blocks and towers, hospital and clinical estate (Guy's, King's, Lewisham and Queen Elizabeth Woolwich all sit inside SE), universities and colleges, primary and secondary schools, retail and leisure centres, and industrial and warehouse estate along the SE road corridors. Common BMS needs in South East London Riverside commercial HVAC tuning and free-cooling opportunities, communal heat-network control across large residential estates, hospital and clinical plantroom PPM, university and college BMS refits, small-to-mid commercial PPM contracts and reactive plant attendance across the SE postcodes. On the ground in South East London ## A closer look at how we work across South East London. BIAV Controls is a specialist Building Management System contractor based in Swanley, on the London/Kent border. We install, service, maintain and reactively cover BMS across South East London, the whole of South East London, including Bankside, Bermondsey, Elephant & Castle, Peckham and the surrounding SE1–SE28 · BR · DA postcode area. The business was set up to deliver a specific standard of BMS work: open protocol, transparent scoping, written documentation, and engineers who actually turn up when they said they would. Our engineers have 13+ years of hands-on BMS experience across every major open-protocol platform: Tridium Niagara, Trend, Siemens (Desigo and Talon), Distech, Cylon and Honeywell, plus any BACnet, Modbus or LonWorks device that touches a plantroom. That platform coverage matters in South East London because the borough's estate is mixed: modern buildings tend to be on current Tridium supervisors, mid-generation buildings run legacy Trend, and older civic and industrial stock often sits on Siemens or Cylon. One contractor comfortable across all of them saves you the pain of stitching together sub-contractors and losing accountability at the boundaries. Every project we deliver in South East London carries the same commercial and technical guardrails. Public liability is insured to £20M, employers' liability to £10M and professional indemnity to £10M. Control panels are designed in-house and manufactured to BS EN 61439 by our panel-shop partner. Installed workmanship carries a 1-year warranty. Pricing is quote on application, issued in writing after a real site or specification review, not pulled from a rate card, and we do not tie buildings to a proprietary supervisor. Contract clients across South East London receive a 2-hour on-site SLA and 24/7 phone cover answered by an engineer rather than an answer service. Reactive callers without a contract are prioritised within 24 hours. For South East London specifically, 20–45 minutes off-peak from Swanley depending on area, so response commitments are grounded in real travel time rather than optimistic mapping. If a site sits inside the SE1–SE28 · BR · DA postcode range, we are already routing engineers past it most working days. Beyond South East London itself, our regular coverage extends across South East London and into neighbouring boroughs, including Greenwich, Bexley, Bromley, so multi-site clients get consistent delivery, one contractor and one paper trail across their estate. If you're weighing us against a national roll-up, the practical difference is that our office is a short drive from your building, our engineers know the borough's road network and access regimes, and there is no chain of sub-contractors between the person you speak to and the person on-site. Services available ## Every BMS service we offer,delivered in South East London. All nine BMS services are available across South East London. Click through for full scope, process and FAQs on each. [![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 in South East London A BMS service is a planned visit by a controls engineer who checks every sub-system on the Building Management System: sensors, actuators, dampers, valves, control loops, schedules, alarms, network health and supervisor software, then corrects setpoints, resolves faults and issues a written service report. View service ](/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 in South East London A BMS installation is the full end-to-end delivery of a Building Management System: design of the control philosophy, manufacture of controls panels to BS EN 61439, containment and cabling, controller mounting, sensor and valve fit-off, software engineering, graphics build, commissioning, witness testing and formal handover. View service ](/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 in South East London A BMS call-out is an urgent visit to diagnose and rectify a fault on the Building Management System or the plant it controls: no-heat, no-cooling, comms failure, supervisor crash, alarm storm, network dropout or safety interlock trip. View service ](/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 in South East London BMS pre-design is the engineering document set that defines exactly how a Building Management System will control every piece of plant on a project: point counts, control sequences, setpoints, alarm strategy, interlocks, protocol strategy, graphics scope and commissioning checklist. View service ](/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 in South East London A BMS project is single-point delivery of every controls scope on a construction or refurbishment programme: pre-design, panel manufacture, electrical installation, controller and sensor fit-off, software engineering, graphics, commissioning, witness testing, handover and post-handover service. View service ](/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 in South East London BMS panel manufacturing is the design and build of the enclosures that house the Building Management System's controllers, contactors, protection, power supplies, network devices and terminations, engineered specifically for the plant they control and the site they will live in. View service ](/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 in South East London BMS software and graphics is the code and visual front-end that sits on top of a Building Management System: controller programming, supervisor engineering (Tridium Niagara, Distech EC-Net and equivalents), graphics build, alarm schema, trends, histories, schedules and dashboards. View service ](/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 in South East London BMS electrical installation is the containment, cabling, terminations and testing that physically connects a Building Management System to the plant it controls, from panel to controller to field device, plus power distribution and safety earthing. View service ](/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 in South East London BMS maintenance is a contracted programme of planned service visits, remote monitoring, reactive call-out and post-incident review, with defined SLAs and written reports, that keeps a Building Management System delivering the outcomes it was designed to deliver. View service ](/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 in South East London BMS energy optimisation is a structured programme of audit, correction and verification carried out on an existing Building Management System. View service ](/services/bms-energy-optimisation) Why choose us in South East London ## Concrete reasons,not marketing lines. Every claim on this page is drawn from things we can evidence: our insurances, our SLAs, our warranty terms and the standards our panels and partner electricians work to. Local: SE is our home patch SE London is where we work every day. Engineers move through the SE postcodes on service, project and reactive visits; we're not routing in from a depot in another region. Comfortable across every sector SE London runs Riverside commercial, big-estate residential, hospital and clinical, university and college, retail and leisure: SE London runs all of them, and so do we. One team across a mixed portfolio. Open-protocol, documented, insured Tridium Niagara, Trend, Siemens, Distech and Cylon all supported end-to-end. £20M PL / £10M EL / £10M PI cover. Panels to BS EN 61439. Written service reports every visit. Local problems, honestly ## BMS issues we seeacross South East London. South East London's BMS estate is unusually mixed: a decade of new-build riverside sitting alongside decades of civic, residential and hospital estate on legacy control platforms. The problems track that mix. Heat-network hunting on large residential estates Large residential heat networks across SE London frequently hunt: flow temperatures cycling, pumps working against each other, HIUs starved of design flow. Control-strategy tuning fixes what a mechanical re-balance can't. Riverside commercial free-cooling opportunities SE London riverside offices have real free-cooling potential that off-the-shelf control strategies rarely capture. We tune sequences to the actual outdoor conditions the site sees, not the design-day assumption. Legacy Trend and Cylon in civic and school estate A significant share of SE London civic and school controls estate still runs Trend IQ2/IQ3 or older Cylon hardware. We migrate to current supervisors without full rip-out and preserve working field devices. Hospital and clinical PPM discipline SE London clinical estate (Guy's, King's, Lewisham, QEH Woolwich and the surrounding trust estate) operates against tight comfort and pressure regimes. We service and reactively cover against documented control narratives, RAMS and permits, not verbal assumptions. Our process ## How we deliver BMS workacross South East London. 1. Step 01 Enquiry & scoping call We take the site details for South East London, current issues and any relevant plant or supervisor information, usually inside a short call. 2. Step 02 Site or specification review For anything beyond routine reactive work we visit or review drawings before quoting. No 'from' prices, no per-square-metre guessing. 3. Step 03 Written fixed quote Quote on application, in writing, with a fixed scope, deliverables and programme. Insurances and RAMS supplied on request. 4. Step 04 Mobilisation & delivery Engineers mobilised to South East London with permits, RAMS and, where relevant, panel design and manufacture to BS EN 61439 via our panel-shop partner. 5. Step 05 Commissioning & handover Points schedule, controls narrative, as-installed drawings and O&M documentation issued at handover. Nothing left informal. 6. Step 06 Aftercare & PPM 1-year workmanship warranty on installed works. PPM contracts with 2-hour SLA and written service reports available across the borough. Regional coverage ### Also working nearby to South East London. Our engineers cover South East London and the wider London & South East region on the same terms: 2-hour SLA for contract clients, 24/7 phones, quote on application. [View all service areas](/service-areas) [ South East London BMS in Greenwich SE3, SE7, SE9, SE10, SE18, SE28 ](/service-areas/greenwich)[ South East London BMS in Bexley DA1, DA5, DA6, DA7, DA8, DA14, DA15, DA16, DA17, DA18 ](/service-areas/bexley)[ South East London BMS in Bromley BR1, BR2, BR3, BR4, BR5, BR6, BR7, BR8 ](/service-areas/bromley) FAQs ## BMS in South East London,questions answered. Anything not covered here? Call us on [07782 247022](tel:+447782247022). Pricing BMS work in South East London is quoted on application, issued in writing after a site or specification review. No 'from' prices, no per-square-metre pricing, no proprietary lock-in. ### Do you serve South East London? + Yes: every SE postcode from SE1 through SE28, plus the surrounding BR (Bromley) and DA (Bexley/Dartford) postcodes. From Bankside and Bermondsey along the river out to the suburbs. ### How fast can you reach South East London? + From Swanley, most SE postcodes are 20–45 minutes off-peak. Contract clients receive a 2-hour SLA and typically see attendance well inside it. ### How much does BMS work cost in South East London? + Quote on application in writing after a site or specification review. Riverside commercial, residential heat networks, clinical estate, university and civic works all scope differently: every quote is fixed against the actual site. ### Do you offer 24/7 BMS emergency cover across South East London? + Yes. Phones answered 24/7 by an engineer. Contract clients receive a 2-hour on-site response across the SE postcodes. ### Can you handle large residential heat networks? + Yes. Sensor networks, weather compensation, HIU sequencing, metering integration and residential comfort complaints all sit inside our controls scope. ### Can you support SE London hospital and university estate? + Yes. Clinical and higher-education PPM, plantroom reactive cover, RAMS, full insurance and permit-to-work protocols honoured on every visit. ### Which BMS platforms do you work on across SE London? + Tridium Niagara, Trend, Siemens, Distech, Cylon, Honeywell and any BACnet/Modbus/LonWorks device, open protocol only. ### Are you fully insured? + £20M public liability, £10M employers' liability, £10M professional indemnity. Certificates issued ahead of mobilisation. Request a quote: South East London ## Send us the spec.We'll come back with a fixed scope. Every South East London enquiry is scoped and quoted in writing: no 'from' prices, no hidden variations, no proprietary lock-in. Response within one working day, sooner for anything urgent. [Call 07782 247022](tel:+447782247022)[Full contact details](/contact) 24/7 phones answered £20M PL / £10M PI cover 1-year workmanship warranty BMS enquiry · South East London Tell us about the site. ![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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