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W1, SW1, WC2

Westminster office fit out and refurbishment companies

Mayfair, Soho, Fitzrovia, Victoria and Marylebone sit inside Westminster and behave like five different markets. Mayfair and St James's are period buildings with small floorplates, listed interiors and hedge fund budgets. Soho and Fitzrovia are media and tech in converted stock with awkward access. Victoria is large modern floorplates around the station. Westminster's planning department is among the most active in London on facade, signage and listed building consent, so allow time.

Head office in the borough

3 firms based in Westminster

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.

Enterprise
ML
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Morgan Lovell

Est. 1977

Design led office fit out, workplace consultancy, biophilic design. 78%+ repeat business rate.

Refurbishment led, enterprise band, trading since 1977, part of Morgan Sindall Group plc, 201–500 staff. Names UniCredit and Greystar among its clients.

Projects
30k+ sq ft
Client size
250+ staff
Budget
£5m and above
Workplace ConsultancyOffice DesignRefurbishment+4
Public data, March 2026Profile
Enterprise
OV
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Overbury

Est. 1942

UK's leading fit out specialist. 91% net promoter score. Projects up to £200m.

Design and build, enterprise band, trading since 1942, part of Morgan Sindall Group plc, ~1,000 staff. Names Virgin Media O2 and GSK among its clients.

Projects
30k+ sq ft
Client size
250+ staff
Budget
£5m and above
Cat A Fit OutCat B Fit OutDesign & Build+3
Public data, March 2026Profile
Mid Market
SI
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Saracen Interiors

Est. 1990

25+ years experience across London, Manchester and Hampshire offices.

Design and build, mid market band, trading since 1990. Names Clearwater International and Tata Communications among its clients.

Projects
5k to 30k sq ft
Client size
40 to 250 staff
Budget
£300k to £5m
Office D&BRefurbishmentFit Out+5
Public data, March 2026Profile
Working in Westminster

Firms that take on Westmin. 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 Westminster: Period buildings, small floorplates, premium finishes.

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