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Building

1930s Heritage
transformed for the 2030s

A revitalised icon.
Ready for your next evolution

Flexible and hyper-connected, Mainframe is at the heart of London’s Knowledge Quarter and on the doorstep of Euston’s regenerating transport hub.

3,899 sq ft to 97,299 sq ft of office space available now.

 

Check our availability

Mainframe’s evolution
is ready for yours

Comprehensively refurbished flagship building

Island site with
panoramic views

Up to 97,299
sq ft available

Floor sizes range from
3,889 sq ft to 12,014 sq ft

Delivering CAT A
and CAT A+ availability

Floor to ceiling height 2.8m – 3.9m

On-site café

Communal roof garden and
private pocket terraces

Commuter suite and
wellness studio

Carbon neutral,
EPC A, BREEAM
Excellent, and WELL Platinum

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Location

Where talents thrive

Mainframe is at the centre of London’s Knowledge Quarter. Culture-makers, ground-breakers and entrepreneurs gravitate here, influencing progress and shaping big ideas.

ZINC the social science R&D fund that builds and scales new ways to solve the world’s most important societal problems, has made Mainframe the home for its accelerator programme.

13,700

Academics

15

Universities

10m

Annual visitors

73

Knowledge-based institutions within one mile

25

Museums and galleries

Home to Zinc Ventures

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On your doorstep

Local amenities
Local occupiers
Food & Beverage
1

Circolo Popolare

2

Coal Drops Yard

3

Cosy Kettle

4

Granary Square

5

Grant Museum of Zoology

6

Origin Coffee

7

Regent's Place

8

Six by Nico London

9

Somers Town Coffee Table

10

The Booking Office

11

The Gilbert Scott

12

Roti King

Art & Museums
13

The British Library

14

The British Museum

15

The Founding Museum

Fitness
16

Barry's London Central

17

Bloomsbury Fitness

18

F45

19

Ringtone Boxing Gym

Hotels & Accomodation
20

Chapter Kings Cross

21

The Pack and Carriage

22

The Standard, London

23

The Wesley

Leisure
24

Everyday Kings Cross

25

KOKO

26

Screen on the Canal

27

Vault 139

Mainframe has truly unrivalled connectivity, putting
all corners of London, the UK and Europe on your doorstep.

Key connection times

Euston
1 min
King’s Cross St Pancras
1 min
Oxford Circus
3 mins
Tottenham Court Road
5 mins
Liverpool street
8 mins
Waterloo
10 mins
Victoria
7 mins
Farringdon
10 mins

Availability

Availability at
Mainframe

Net Internal Area

Floor
Sq ft
Sq m
Available from
View plan

8th

PRIVATE POCKET TERRACE

8,245

766

November 2023 CAT A

8th

Floor

Floor plans

Workspace

8,245

sq ft

766

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

7th

PRIVATE POCKET TERRACE

8,767

814

November 2023 CAT A

7th

Floor

Floor plan
CGIs

Workspace

8,767

sq ft

814

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

7th

COMMUNAL ROOF GARDEN / EVENT SPACE (1,345 sq ft)

6th
[North]

3,889

361

Available now CAT A+

6th
[North]

Floor

Floor plan

Workspace

3,889

sq ft

361

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

6th
[South]

LET TO ZINC VENTURES

5th

12,014

1,116

October 2023 CAT A

5th

Floor

Floor plan

Workspace

12,014

sq ft

1,116

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

4th

12,013

1,116

October 2023 CAT A

4th

Floor

Floor plan

Workspace

12,013

sq ft

1,116

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

3rd

11,832

1,099

Available now CAT A+

3rd

Floor

Floor plan
CGIs
Video

Workspace

11,832

sq ft

1,099

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

2nd

11,962

1,111

Available now CAT A

2nd

Floor

Floor plan

Workspace

11,962

sq ft

1,111

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

1st

11,558

1,073

Available now CAT A

1st

Floor

Floor plan
CGI

Workspace

11,558

sq ft

1,073

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

Ground

9,362

870

October 2023 CAT A

Ground

Floor

Floor plan
CGIs
1

Workspace

9,362

sq ft

870

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.

Ground
[Retail/Class E space]

GAIL'S BAKERY

Ground
[Retail/Class E space]

UNDER OFFER TO A RESTAURANT

Lower Ground

PRIVATE COURTYARD

7,479

695

Available now Shell and Core

Lower Ground

Floor

Floor plan
CGI
1 Wellness suite 2 Cycle store 3 Male changing rooms 4 Female changing rooms 5 Toilets 6 Accessible toilet 7 Drying room 8 Private courtyard

Workspace

7,479

sq ft

695

sq m

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on.
Totals
97,299
9,039

Measurements are estimated Net Internal Areas, subject to final measurement. Plans are indicative only and are not to scale, they should not be relied on. 

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Sustainability & Wellbeing

The most sustainable way to create a new workspace is to use what’s already there.

Retaining and refurbishing the existing building is equivalent to at least 13,500 tCO2e* saved vs building a new zero emissions building. That’s the same as:

The annual carbon associated with 1,040 UK citizens

Building 170 new homes

27 hectares of deforestation

Or 3 flights in a space shuttle

Mainframe will be aiming to achieve the
following minimum accreditations

*Please note that these are high-level calculations based on estimates and comparable case studies and should not be relied upon for statutory reporting or financial decision-making.

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Specifications

Designed for optimised performance

Floor to ceiling
height 2.8-3.9m

Communal roof
garden and private
pocket terraces

Commuter suite

Fibre backbone

Refurbished
reception and
common parts

Excellent
natural light

Openable windows

Occupational
density ratio 1:10

Dedicated entrance
opportunity

24/7 staffed
reception

Wellness
studio

7x Showers

Vanity and
hairdrying station

Changing rooms
and lockers

Refurbished
private WCs

New AC and
central plant

Targeting
WiredScore Platinium

Targeting
BREEAM Excellent

Targeting
EPC A

Targeting
WELL Platinum

Downloads

Brochure

Download

Plans

Download

CGIs

Download

Retail brochure

Download
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