Modular Buildings with Roof Terraces
Where a ground-floor module is left uncovered by the storey above, its roof can be formed into a usable first-floor terrace with balustrade to the open edges — outdoor space at no extra footprint.

Outdoor space with no extra footprint
A roof terrace only exists where the stacking leaves a ground-floor module exposed, so it is planned with the arrangement rather than added afterwards. Balustrade runs to every open edge and access comes from the first floor.
- Formed over an exposed ground-floor module
- Balustrade to all open edges
- Access from the first-floor interior
- No additional ground footprint
- Planned with the stacking arrangement
- Pairs with full-height glazing to the terrace elevation
Typical arrangements
Two below, one above, with a terrace over the exposed module.
Office or clubhouse with a first-floor terrace.
Home arrangement with a bedroom opening to the terrace.
Roof Terraces — key facts
- P300 unit
- 2.9m × 2.2m externally; approximately 2.7m × 2.0m usable internally
- P400 unit
- 3.9m × 2.2m externally; approximately 3.7m × 2.0m usable internally
- P600 unit
- 5.9m × 2.2m externally; approximately 5.7m × 2.0m usable internally
- Configuration
- Mix P300, P400 and P600 units to create tailored footprints and shapes
- Unit height
- 2.40m external / 2.16m internal
- Storeys
- Up to two storeys, subject to final project design
- Delivery
- UK mainland and Northern Ireland — transport quoted separately
Adacon modular buildings use P300, P400 and P600 units with external lengths of 2.9m, 3.9m and 5.9m, a common 2.2m width and 2.40m external / 2.16m internal height. The sizes can be combined to create more tailored floor areas and building shapes, joined side by side or stacked to two storeys subject to the final project design.
What's available
Roof Terraces — photo gallery



Roof Terraces — common questions
Buildings that commonly use this
Modular clubhouses, sports pavilions and player hubs for football, rugby, cricket, tennis and padel clubs — meeting space, kitchenette, bar, WCs and changing.
Modular office buildings from a single room to multi-module, two-storey layouts. Fitted out, insulated and delivered UK-wide. Configure yours online.
Modular holiday lodges and glamping units for holiday parks, campsites and rural sites — insulated, fitted, with shower room and kitchenette options.
Homes with this design
All modular homesUseful guides
Looking for an alternative to a static caravan? Compare static caravans, traditional lodges and modular holiday units — layout, extending later, terraces, roofs and legal status.
Practical guidance on module sizes, configuration, fit-out and the factors that shape a tailored modular-building quotation.
Whether a modular building needs planning permission depends on its use, size, siting and duration. Read how the common cases usually work in the UK.
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