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N1, EC1, N7, N19

Islington office fit out and refurbishment companies

Clerkenwell is the centre of London's fit out and furniture industry as well as an office market; more design led fit out firms are based here than anywhere else in the capital, and the annual Clerkenwell Design Week fills the streets. The stock is converted warehouses and print works with exposed structure, high ceilings and character that clients pay for and that hides expensive mechanical problems. Old Street and the Angel add more conventional floorplates.

Head office in the borough

4 firms based in Islington

Resolved from the registered or trading address on each profile. Being based here does not mean a firm only works here; every firm in the directory covers London.

Boutique
AS
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AW Spaces

Under 5k sq ft

Sustainability specialist D&B. Biophilic design. Green materials. Old Street tech hub location.

Fit out, boutique band.

Projects
Under 5k sq ft
Client size
Up to 40 staff
Budget
£50k to £500k
Sustainable Office Fit OutDesignGreen Office Design
Public data, March 2026Profile
Mid Market
FF
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Form Fit Out

Est. 2006

Independent. Education/university/school fit outs. Change of use projects. Based in Clerkenwell.

Refurbishment led, mid market band, trading since 2006. Names Patrizia and Cushman & Wakefield among its clients.

Projects
5k to 30k sq ft
Client size
40 to 250 staff
Budget
£300k to £5m
Office Fit OutRefurbishmentFurniture+2
Public data, March 2026Profile
Mid Market
KS
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K2 Space

Est. 2004

Furniture consultancy in DNA. Financial services and legal sector strength.

Refurbishment led, mid market band, trading since 2004, ~15–16 staff.

Projects
5k to 30k sq ft
Client size
40 to 250 staff
Budget
£300k to £5m
Office DesignFit OutRefurbishment+4
Public data, March 2026Profile
Mid Market
WG
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Wagstaff Group

5k to 30k sq ft

Right first time mindset. Manages multiple trades in house. Multi year client relationships.

Design and build, mid market band. Names Spaces/IWG Plc and AutoTrader among its clients.

Projects
5k to 30k sq ft
Client size
40 to 250 staff
Budget
£300k to £5m
Turnkey Fit OutInterior Fit OutMulti Trade Management
Public data, March 2026Profile
Working in Islington

Firms that take on Islingt. projects

Ordered with enterprise and mid market firms first, because central London projects skew larger. The six below are a starting point.

Every firm in the directory covers the whole capital. For all 66, see the full list of London office refurbishment companies.

Typical stock in Islington: Converted warehouses, design led occupiers, fit out firms' home turf.

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