Apartment block security in London protects the shared spaces nobody owns alone: entrances, stairwells, car parks and bike stores. Across Central London, an SIA-licensed, DBS-checked officer is usually on site within the hour. Managing agents, residents' associations and right to manage companies book us for one night after a break-in, a few weeks of patrols or regular cover.
Officers work in the communal areas. They cannot enter a private flat without the occupier’s permission, and they have the same legal powers as any member of the public.
| Cover | How it works | Good for |
|---|---|---|
| Static officer | Stays on site for set hours, often in the lobby | After a break-in, during major works, busy evenings |
| Mobile patrols | Visits at varied times to check doors, car park and stores | Ongoing deterrence across one or several blocks |
| Incident response | An officer attends when you report a problem | A forced door, an intruder report, an alarm activation |
| Overnight guard | Covers the block through the night | Scaffolding up, a door that cannot be secured |
If you want someone greeting residents as well, a concierge security officer combines front desk duties with licensed security. For long overnight cover, see 24-hour security guards.
After each visit or shift, the managing agent or board needs facts, not a vague “all quiet”. A useful report records the time on site, doors and areas checked, photos of damage, anyone asked to leave and any police reference number. That record helps when you brief contractors, speak to your insurer or update residents at the next meeting.
Officers need permission from whoever manages the communal areas, usually the managing agent, freeholder or residents’ management company. A resident booking alone should speak to them first.
Use WhatsApp, Facebook Messenger or the Sparta Guard app with the address, the problem and the hours you need.
SIA-licensed officers near the block receive the job.
Arrange a fob or door code, and tell the officer which areas to cover and who to call.
The bike store has been broken into three weekends running. An officer patrols the block on Friday, Saturday and Sunday nights until the new lock is fitted.
Groups are gathering in the underground car park at night. An officer covers evenings for two weeks while a new gate is installed.
Roof works need scaffolding, which gives easy access to upper-floor windows. An overnight guard stays until the scaffold comes down.
The price depends on the type of cover, the hours, how often visits repeat and the notice you give. Costs are usually recovered through the service charge, so boards often ask for a clear price in advance. Regular customers can ask about membership plans. We confirm the price before anyone is dispatched.
Residential blocks across Central London, including:
For houses and single homes, see residential security. For private roads and gated developments, see estate security.
Security for communal areas is usually arranged by the managing agent, the freeholder or the residents’ management company, and the cost often goes through the service charge. Arrangements vary, so check your lease and speak to your managing agent before booking cover for shared areas.
An officer can ask people who have no right to be in the communal areas to leave, on behalf of whoever manages the building. Officers have the same legal powers as any member of the public. If someone refuses and becomes threatening, the officer records the incident and contacts the police.
Yes. Patrol visits at varied times check entrances, car parks, bin stores and bike stores, and you receive a record of each visit. Many blocks start with a few weeks of patrols after a problem, then decide whether to continue.
Yes, for your own home, and we can also check your flat while you are away. For communal areas such as the lobby or car park, you need permission from the managing agent or freeholder, so ask them first or ask them to book with us.
Condominium security is the North American term for security in a building of privately owned flats. In London, the same work is usually called apartment block or residential block security. It covers communal entrances, car parks, bike stores and corridors, rather than the inside of individual flats.
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