![]() Once those elements have been planned, work can proceed without having to wait on the interior details. Defining the core and shell elements of the building first allows for progress to be made in the design of other portions of the building while the long-lead items of the core and shell can be implemented. Firstly, it speeds up the design and builds process. There are several benefits to the core and shell method. The result is a great deal of wasted time spent altering a space that just had new fittings installed. However, oftentimes these items are altered to accommodate a tenant’s ideas and requirements for space. The alternative to the core and shell method is to fit out tenant space with ceilings, flooring, lighting, HVAC, etc., before a tenant occupies the space. Once the core and shell structures are built, the internal architectural elements and tenant fit-out can be integrated throughout building occupancy. ![]() The core (inside) of the building is covered by the shell (outside) as the first part of the construction. The method refers to a process where the interior core structure of the building and the exterior building envelope are fully designed as the first phase of the project. The method originated in the United States and has become the preferred method of design and construction for commercial office buildings today, especially buildings with multiple tenants and multiple fit-outs. Here is a little bit on what ‘core and shell’ really mean and why it should definitely be on your real estate project checklist of questions to ask your project manager, architect or landlord.Ĭore and shell is a design method commonly used in commercial office buildings today. ‘Core and shell’ is undoubtedly a technical term that you will come across during a real estate project. However, the actual tenant’s ideas often differed from the developer’s notional layouts, and so money was wasted taking down ceilings and taking up floors, while mechanical and electrical services had to be altered to accommodate partition layouts. American developers initially fitted out offices, installing access floors, carpet tiles, ceilings, air conditioning and lighting based on a notional layout for prospective tenants. The concept originated in the USA, where it was applied to office buildings built by developers for rent. A range of other construction and fit-out works are left to be completed before the building is occupied. The concept of shell and core (or base build) is that the developer’s scope of work is the design and construction of the base building. Unlike the shell, these core areas are usually finished to a high standard and will be ready for incoming tenants. The building may be complete on the outside, but on the inside, the office space is just a shell, looking like a bare construction site, with concrete floors and walls, but with no lighting or facilities.Īlthough the office space is a bare shell, the common areas shared between tenants will have been completed for example, the lifts, toilets and building reception. This is the bare bones of a building’s interior space and is often how the developers provide the building.
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