Demolition is the first thing that happens on almost any project and the most underestimated. It isn’t about knocking walls down: it is about knowing which ones can come down, in what order, how what remains is held up meanwhile, and where every lorry-load of rubble ends up. Done properly, the rest of the job starts clean; done carelessly, cracks appear in the neighbour’s flat.
At Grupo Construcciones Alicante we carry out demolition work across Alicante and the province with our own plant and operatives trained in site safety. Before anything is touched we identify which elements are structural, where the services run and what propping is required, and we plan the waste route through to a licensed disposal facility. We work inside homes and on whole buildings, units and warehouses.
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A well-planned demolition saves money on the job that follows. Separating waste on site (concrete, ceramics, timber, metals, plaster) cuts the tipping bill considerably, because mixed rubble is charged at a higher rate; and recovering steel and aluminium offsets part of the work. This is what is known as selective demolition, and it is now what the construction waste regulations require.
The other benefit is the safety of everything left standing. Propping before forming an opening, protecting the neighbour’s party wall and controlling dust and vibration avoids the classic outcome: cracks, complaints and a job stopped for weeks. We work with licensed waste documentation, public liability insurance and operatives holding construction safety training.
A demolition is planned from the top down. This is what we do before touching the first partition:
We visit the property and establish what is structural and what is not, where the services run and the condition of party walls and adjoining buildings. That determines the demolition sequence and the propping required.
A fixed quote with the estimated cubic metres of waste, haulage, licensed disposal charges and access equipment. Tipping is the item that runs away when it isn’t properly measured up front.
Before starting we install protection, propping and shoring, close off access to the affected areas and isolate or divert any services crossing the demolition zone.
We demolish from the top down and from the inside out, separating materials for recycling. We use diamond cutting where precision matters and vibration must be avoided in an occupied building.
We control dust with water, screen the area and respect the hours set by local by-laws and the residents’ association. Propping and remaining elements are checked daily.
We remove every last piece of rubble, hand over the licensed disposal documentation and leave the space swept and ready for the next trade.
Internal demolition. The most common on refurbishment work: the property or unit is stripped out (partitions, tiling, floors, ceilings, joinery) while preserving the structure, soil stacks and communal service ducts. In an occupied building, the key lies in protecting the entrance and lift, controlling dust and keeping the waste moving out.
Complete demolition. For entire buildings and warehouses, using plant and a plan that works from roof to foundations. It requires local authority consent, a design and appointed supervision, along with a waste management report and a health and safety plan.
Cutting and forming openings. When a doorway has to be formed in a load-bearing wall or a service routed through a floor slab, the structure is propped first and the opening cut with a diamond wire or blade. It is slower than a breaker, but it transmits no vibration to the structure or the neighbours, and the cut is clean and square.
Construction and demolition waste regulations require materials to be separated by type and delivered to a licensed facility, which issues a certificate of receipt. That paperwork is not bureaucracy: it is what proves to the council that the waste ended up where it should, and on major works it is requested alongside the waste bond.
One case deserves separate attention. In buildings from before 2002 it is common to find asbestos cement in soil stacks, water tanks and roof sheets. It must not be broken or cut: its removal can only be carried out by a company entered in the official asbestos register (RERA), with a work plan approved by the labour authority and operatives under health surveillance. If it appears on your job, we stop, explain the situation and coordinate the licensed specialist.
We also check whether the building has heritage protection or sits within a protected setting, since demolition may then be restricted or require prior reports from the council.
Demolition work we carry out regularly in Alicante and the province:
For a complete demolition, yes: it counts as major works and requires local authority consent, a technical design, appointed supervision and a waste management report, and the council usually asks for a bond returned once the waste disposal is evidenced. For internal demolition that leaves structure and façade untouched, a responsible declaration or minor works consent is normally enough. We tell you which applies and handle the paperwork.
It depends what comes out, but as a guide, stripping out an average flat usually produces between 15 and 30 cubic metres, several skips’ worth. That is why the quote is based on measurement rather than guesswork: haulage and disposal charges weigh as much as the labour. Separating the waste by material brings that cost down noticeably.
With propping and shoring before any opening is formed, protection of communal entrances and the lift, screening of the work area and water suppression for dust. Where concrete has to be cut next to a party wall, we use diamond wire or blade rather than a breaker so no vibration is transmitted. And we let the neighbours know which days will be noisiest.
Yes, and it is the most common case: keeping the structure and façade while stripping out the interior, or demolishing only an added structure, a mezzanine or a staircase. We first establish what load rests on the part being removed and resolve it with propping or a permanent reinforcement before taking it out.
If asbestos cement appears in soil stacks, tanks or roof sheets, work stops. Removal can only be carried out by a company entered in the official asbestos register, with an approved work plan and operatives under health surveillance. We coordinate the licensed specialist and resume once the area is clear and certified. Material containing asbestos is never broken or cut.
Yes, and that is where planning shows: narrow streets, road space needed for the skip or lorry, restricted hours and buildings tight against each other. We arrange the highway licence with the council, match the plant size to the available access and check whether the building carries any heritage protection before proposing the demolition.