180 Wardour Street, London W1
Ampersand is a rare architectural opportunity to transform a key Soho building by introducing exciting new features and integrating a sophisticated approach to design.

Typical office floor

  • Designed for 2 tenancies per floor.
  • Painted plasterboard walls and linings.
  • New full access raised floors with a 130mm void.
  • Sprayed and exposed concrete waffle slab feature ceiling.
  • Suspended blade LED lighting with integrated services.
  • Full glazed core doors set within European oak surround.
  • Tenant riser provision.
  • Breakout ‘module’ meeting spaces at the Atrium.
  • Exposed aluminium finished air handling diffusers with jet nozzle air distribution.
  • New full height double glazed windows set within bronze projecting frames.
  • Daylight mimicking LED light system.
  • Light fittings conform to CIBSE lighting.
  • Guide 350 lux in offices to improve on the energy performance of
  • 1.8W/m2/100lux and the EPC rating.

Floor / ceiling heights

Clear floor to ceiling heights and clear floor to service spine heights.

Floor Floor to ceiling
Floor to ceiling under
services spine
Ground floor 4.60m 3.45m
1st floor 3,26m 2.60m
2nd floor 3,26m 2.60m
3rd floor 3,26m 2.60m
4th floor 3.10m 2.52m


  • Unique feature staircase by Paul Cocksedge.
  • High performance glazing to roof.
  • Vented Natural climate control.


  • 3 x 13 person passenger lift (1,000 kg) equivalent to a “good” rating by CIBSE.
    Lift car finishes: Polished concrete floor tiles, white back-painted glass and
    mirror walls, stainless steel handrail and recessed LED downlighting.
  • Lift speed - 1.6 m/s.

Facade and entrance

  • Upgraded insulation to the facade.
  • Full height frameless glazed reception façade.
  • 4.5m floor to ceiling height within the entrance lobby.
  • Crystal Tourniket revolving door and pass door.
  • Inset ribbed entrance mat in recessed aluminium mat well.
  • Managed disabled access.


  • Integral and bespoke Ampersand motif design.
  • Polished poured concrete floor.
  • Bespoke cast concrete feature panel cladding to lift lobby.
  • Hunter Douglas feature solid European oak suspended ceiling and wall cladding to lift lobby.
  • Bespoke LED lighting installation..
  • Bespoke steel staircase and balustrade.
  • Bespoke steel staircase and balustrade.
    (Concept design subject to variances).

Roof decks

  • 4th floor terrace providing circa 2,100 sq ft. — Brown roof.
  • Photovoltaic panels.
  • Sliding glazed terrace doors.
  • Living wall to terrace areas.
  • Frameless cantilevered glass balustrading.
  • Enclosed plant area.

Toilets and shower provisions

  • Male and female superloos with white back painted glass wall cladding and Hunter Douglas oak ceilings.
  • DDA compliant disabled WC's and showers on 1st to 4th floors with back painted glass wall cladding and Hunter Douglas oak ceilings.
  • 1 shower and 1 disabled access shower on each upper floor.
  • White Duravit Pura Vida vitreous china sanitaryware.
  • Bespoke polished concrete vanity units.
  • Flush frameless doors clad in European oak to match Hunter Douglas ceilings.
  • Integrated Dali digital control lighting system to LED lighting.

Cycle provisions

Located at basement level with dedicated lift entrance from Hollen Street.

  • Bicycle lift.
  • 62 Bike racks.
  • 62 lockers.
  • 3 individual showers and changing rooms.

Design occupancy levels

Clear floor to ceiling heights and clear floor to service spine heights.

Means of escape 1 person /6 sq m
Cooling / heating 1 person /10 sq m
(with the capacity for tenants to increase this to 1 person/8 sq m)
Lift provisions 1 person / 10 sq m
Sanitary provisions 1 person / 10 sq m

Performance criteria

Electrical Services

  • Lighting: Fittings conforming to CIBSE lighting guide 350 lux in offices to improve on the energy performance of 1.8W/m2/100lux and the EPC rating.
  • Lighting power: 1.8W/m2/100lux.
  • Small power: 15 w/m (risers and bus bars sized at 25 w/m).
  • 350 lux average to office area.


Electrical Services

  • Incoming ducts for tenant telecoms.
  • Dedicated tray for data and telecoms by way of risers to each floor.

Standby power provisions

Landlords standby generator for life safety systems and space for future tenants’ generator.

Satellite and terrestrial reception system

Space at roof level/Incoming duct for satellite and terrestrial systems with containment in risers.


  • Access control and CCTV provided to reception and landlord areas including loading bay and car park.
  • Provision for access control to all floors.
  • Designated security room linked to reception and final exits.

Mechanical services

  • A new 3-Pipe VRV/VRF energy efficient air conditioning system. Comprising a range of ceiling mounted fan coil units (located within the central spine).
  • All fan coils are autonomous, provided with integral dedicated temperature controls set by the BMS (with the ability to extend sensor locations).
  • Cooling system separated to allow future subletting of floors and energy monitoring (per half floor).
  • Offices will have two central ventilation systems providing fresh air for occupants at 12 litres/sec per person.
  • Each system feed is via a roof mounted air handling unit incorporating filtration, heating and cooling coils, thermal wheel energy recovery, and variable speed supply and extract fans. The treated air would be distributed via risers and ceiling void mounted ductwork, delivering air local to the rear of the fan coil units.
  • Submeters to office areas for future connection to CHP plant.

Building management system and energy monitoring provided

Full BMS with central head end providing monitoring and alarms of the building services systems. Interface with all meters enabling energy and performance monitoring of the main systems.

Design loadings

Clear floor to ceiling heights and clear floor to service spine heights.

Roof load    
Dead load Brown roof 2.4kN / m2
Live load 0.6kN / m2
Typical office floor    
Dead load Raised floor 0.5kN / m2
Ceiling and services 0.4kN / m2
Toilets 1.5kN / m2
Tiles on
Live load Typical floor 3.0 + 1.0 kN / m2
Live load Toilets 2.0 + 1.0 kN / m2
Plant area    
Dead load Floor finishes 1.2kN / m2
Steel grillage floor 1.0kN / m2
Live load Typical floor 7.5kN / m2

Double height plant area to be designed for a total live load of 7.5 kN/m2 to include for plant at both levels.


Upgraded 11 kV UKPN owned substation within basement – 1MVA Capacity.