Office Space for Rent in Alpha House, 100 Borough High Street, London, SE1 1LB | CityFlex
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Serviced office space London Bridge, SE1. Rooftop terrace and bespoke fit-out options.
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Alpha House, 100 Borough High Street

London, SE1 1LB

From £435/mo + VAT

Key Features

  • Roof Top Terrace
  • 24 Hour Access
  • Central Location
  • Meeting Rooms
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Whats Available

  • Floor
    Desks
    Size
    Features
    Price
  • 3rd Floor
    1
    50 sq ft
    Features
    A private office for one, Office 36 offers a focused, enclosed workspace of 50 sq ft on the third floor of Alpha House in London Bridge, SE1. It is an ideal step up from home working or shared desks for a sole trader, consultant or remote employee needing a professional serviced office. The room holds a single workstation. It is available now at £435 per month plus VAT, all-inclusive of high-speed internet, bookable meeting rooms and 24-hour access, with one month rent free. Enquire through CityFlex today to secure a viewing.
    £435/ +vat
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  • LG Floor
    2
    87 sq ft
    Features
    For freelancers, business partners or a two-person start-up, Office B7 provides a private serviced office of 87 sq ft with two desks on the lower ground floor at Alpha House in London Bridge, SE1. The room can be taken fitted out or personalised through Purpose Group's in-house team, backed by the rooftop terrace and well-kept communal spaces. It is offered at £760 per month plus VAT, or £380 per desk, all-inclusive of high-speed internet, bookable meeting rooms and 24-hour access, with one month rent free. Enquire through CityFlex today to organise a viewing.
    £760/ +vat
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  • LG Floor
    3
    96 sq ft
    Features
    Ideal for a trio of founders or consultants, Office B5 is a three-desk private office measuring 96 sq ft and located on the lower ground floor at Alpha House in London Bridge, SE1. It delivers affordable serviced office space with access to the rooftop terrace, communal areas and meeting rooms for client sessions and team workshops. The rate is £840 per month plus VAT, or £280 per desk, fully inclusive of high-speed internet, meeting room use and 24-hour access, with one month rent free. Enquire through CityFlex today to schedule a viewing.
    £840/ +vat
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  • 4th Floor
    3
    120 sq ft
    Features
    Well suited to a small team of three, Office 42 is a private office of 120 sq ft, positioned high on the fourth floor at Alpha House in London Bridge, SE1. The office offers serviced office space with shared access to the rooftop terrace, communal areas and a well-connected base for client meetings and focused work. It costs £1,050 per month plus VAT, or £350 per desk, all-inclusive of high-speed internet, bookable meeting rooms and 24-hour access, with one month rent free. Enquire through CityFlex today to register interest in a viewing.
    £1,050/ +vat
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  • LG Floor
    4
    130 sq ft
    Features
    Office B2 is a four-desk private office at Alpha House, set on the lower ground floor with 130 sq ft of space, offering a compact serviced office for small teams in London Bridge, SE1. The office can be taken fitted out or shaped by Purpose Group's in-house fit-out team, with shared use of the rooftop terrace and communal areas. It is available now at £1,135 per month plus VAT, or £284 per desk, all-inclusive of high-speed internet, bookable meeting rooms and 24-hour access, with one month rent free. Enquire through CityFlex today to arrange a viewing.
    £1,135/ +vat
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  • LG Floor
    5
    165 sq ft
    Features
    A five-desk private office, Office B4 occupies 165 sq ft of floor space on the lower ground floor of Alpha House, offering serviced office space for a growing team or agency in London Bridge, SE1. Occupiers can move straight into a fitted-out room or commission a bespoke layout, and enjoy the rooftop terrace and stylish communal areas. Priced at £1,445 per month plus VAT, or £289 per desk, the all-in rate includes high-speed internet, meeting room use and 24-hour access, with one month rent free. Enquire through CityFlex today to book a viewing.
    £1,445/ +vat
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  • LG Floor
    5
    189 sq ft
    Features
    Office B8 is a well-proportioned private office for five, measuring 189 sq ft and positioned on the lower ground floor of Alpha House, giving a growing team serviced office space in London Bridge, SE1 with room to work comfortably. Purpose Group's fit-out team can tailor the layout, while occupiers share the rooftop terrace and communal areas. The price of £1,655 per month plus VAT, or £331 per desk, includes high-speed internet, meeting room use and 24-hour entry. Available now with one month rent free. Enquire through CityFlex today to request a viewing.
    £1,655/ +vat
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  • 3rd Floor
    6
    293 sq ft
    Features
    Office 33 provides a six-desk private office with generous space per person, offering 293 sq ft, around 49 sq ft per desk, on the third floor of Alpha House in London Bridge, SE1. It suits a consultancy or creative team wanting a calm serviced office, with the rooftop terrace and communal areas close at hand. The rate is £1,780 per month plus VAT, or £297 per desk, all-inclusive of high-speed internet, meeting rooms and 24-hour entry, with one month rent free. Enquire through CityFlex today to line up a viewing.
    £1,780/ +vat
    Enquire
  • 3rd Floor
    7
    244 sq ft
    Features
    Designed for a growing team, Office 38 at Alpha House is a private office of 244 sq ft with space for seven desks, located on the third floor, giving the business serviced office space in London Bridge, SE1. The room can be taken fitted out or personalised by Purpose Group's in-house team, with the rooftop terrace for breaks and informal meetings. The rate of £2,130 per month plus VAT, about £304 per desk, includes high-speed internet, meeting room use and 24-hour access, with one month rent free. Enquire through CityFlex today to confirm a viewing.
    £2,130/ +vat
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  • 3rd Floor
    8
    266 sq ft
    Features
    Built for an eight-strong team, Office 34 is a practical private office of 266 sq ft on the third floor at Alpha House, providing serviced office space in London Bridge, SE1 that can be taken fitted out or tailored to the business. Occupiers also benefit from the rooftop terrace and stylish communal areas. The same floor houses several smaller offices. Priced at £2,325 per month plus VAT, or £291 per desk, the all-in fee includes high-speed internet, meeting room use and 24-hour access, with one month rent free. Enquire through CityFlex today to reserve a viewing.
    £2,325/ +vat
    Enquire
  • 1st Floor
    10
    358 sq ft
    Features
    Suited to a ten-person team, Office 14 is a spacious private office of 358 sq ft on the first floor at Alpha House, delivering serviced office space in London Bridge, SE1 with room for desks, storage and collaboration. The layout can be taken fitted out or adapted by Purpose Group's in-house team, and the rooftop terrace offers an open-air break. Priced at £3,135 per month plus VAT, around £314 per desk, the fee includes high-speed internet, meeting room use and 24-hour access, with one month rent free. Enquire through CityFlex today to set up a viewing.
    £3,135/ +vat
    Enquire
  • Ground Floor
    38
    1316 sq ft
    Features
    The largest suite at Alpha House, Office G4 is a substantial private office for up to 38 people, spanning 1,316 sq ft across part of the ground floor. It gives an established business its own sizeable serviced office space in London Bridge, SE1, with scope for a fully bespoke, branded fit-out delivered by Purpose Group's in-house team. It is available now at £11,515 per month plus VAT, or £303 per desk, all-inclusive of high-speed internet, bookable meeting rooms and 24-hour access, with one month rent free. Enquire through CityFlex today to plan a viewing.
    £11,515/ +vat
    Enquire

Amenities

  • Roof Top Terrace

    Roof Top Terrace

  • 24 Hour Access

    24 Hour Access

  • Central Location

    Central Location

  • Meeting Rooms

    Meeting Rooms

  • Superfast WIFI

    Superfast WIFI

Description

Alpha House offers serviced offices and flexible office space in London Bridge, SE1, with a range of well-equipped private offices to rent on simple, all-inclusive terms for SMEs, start-ups and growing teams. Operated by Purpose Group as a serviced office building, Alpha House suits businesses seeking private office space in London without the cost and complexity of a conventional lease, with the backing of an operator that treats occupiers as long-term partners.


Borough station is four minutes' walk away, with London Bridge station eight minutes away, putting Northern line, Jubilee line and National Rail services within easy reach for commuting teams and visiting clients.


Behind a striking white-finned facade, the offices are bright and contemporary, fitted with bench desking, ergonomic mesh task chairs, lockable storage and ceiling cassette air conditioning. Tall windows draw in natural light and frame views of surrounding rooftops and glass towers, while high poseur tables with bar stools add room for quick huddles alongside focused desk work. Office sizes run from compact single-person rooms to large suites for sizeable teams, allowing businesses to scale within the same serviced office space in London as headcount changes.


Every office is let on an all-in basis, with one monthly cost covering high-speed internet, 24-hour access and use of bookable meeting rooms, keeping budgeting simple and predictable. A furnished rooftop terrace with rattan lounge seating provides an open-air setting for breaks, informal meetings and summer socials, while stylish communal areas support a productive working day. For businesses wanting a workspace that reflects their brand, Purpose Group's in-house team can deliver a bespoke fit-out, creating a tailored private office that is ready from day one.


The surrounding neighbourhood is one of the capital's liveliest business districts, packed with cafés, restaurants, independent shops, galleries, theatres and a celebrated food market. For creative agencies, tech businesses and professional services firms looking for a private office to rent in London with character and convenience, it is an inspiring place to work and entertain clients.


Offices at Alpha House are available now on flexible, all-inclusive terms, and current availability spans everything from a single-desk room to space for large teams, making it easy to compare options and secure the right fit quickly. Occupiers can choose an office that is ready to occupy or opt for a bespoke layout, with one straightforward monthly fee and no separate bills for internet or meeting room use. For growing teams, it is a fast and practical route into flexible offices and managed office space in London. Viewings can be arranged at short notice, allowing teams to inspect shortlisted offices and move quickly once the right space is found. Enquire through CityFlex today to arrange a view...

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