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Lack of a systematic approach
Deadlines can slip when stages and dates are not defined clearly enough. Construction or renovation often starts with great enthusiasm: contractors rely on verbal agreements, schedules lack detail, and logistics and procurement are worked out as the job progresses. This makes it harder to keep the site, documents and the tradespeople’s work organised.
For example, a foreman may start rough work before the project documentation is fully approved, hoping to “sort it out as we go”. Later, work has to pause, changes have to be made, or completed work has to be redone.
If this problem sounds familiar, assess your planning and coordination tools. The 101 website presents Gantt charts, planned versus actual project figures, tasks and assignees. These capabilities help organise work; the outcome depends on how the team manages the project.
Check the 101 website for subscription terms and the availability of the capabilities you need. For questions about the application, you can contact 101 technical support (in Russian); this link opens the support bot.
Changes during the work
A renovation project can change as work progresses: the estimate is revised and more affordable solutions are needed, the client is inspired by a trend and the designer revises the design, or alterations cannot be approved and the stages of work have to change.
Even small changes can take time: moving a partition, revising drawings, ordering materials again or obtaining approval for the project. For example, when replacing ordinary tiles with porcelain tiles, check the weight of the finish, the condition of the substrate and the requirements of the selected installation method. Reinforcing the substrate, changing the laying method and buying new tools may be necessary after that assessment; they are not automatically required for every replacement.
Such changes can slow the overall pace and alter the sequence of work. You need to organise business processes, agree changes with the client, discuss additional services and manage workforce allocation.
Financing problems
One possible source of delay is a late advance payment from the client. Work may stop and tradespeople may have nothing to do if they cannot temporarily move to other sites.
This is particularly relevant to large projects or renovations with payments in stages. Sometimes the client cannot transfer the money for the next stage in time, leaving no funds to continue the work. Financing the renovation from the company’s own funds carries risks.
A funding shortfall can also arise when the original budget includes only a small contingency and a sudden rise in material prices puts the continuation of the entire project at risk.
Administrative procedures and permits
Administrative approvals can also delay a project. If particular work requires permits or documents, their absence may prevent work from starting or the property from being handed over. The documents and approval procedures depend on the country, local rules and the type of project.
Construction can be delayed by a missing approval for a utility connection or incomplete land documentation. In the original article, the author described a case in which a house was built on time, but handover took an extra six months because a water-supply certificate awaited approval between two authorities. This is the author’s account, not a universal deadline or rule for every project.
These situations are particularly frustrating: everything appears ready, yet the result cannot be used. The more complex the project, the greater the risk of getting caught up in paperwork.
Construction errors
Construction errors occur often, especially when contractors cut costs on qualified staff or work without adequate technical oversight.
The consequences of an error may become apparent later. For example, a foundation defect may show up after several weeks and require an inspection and structural repairs as determined by specialists. Incorrect installation of utility systems may also mean opening them up and redoing the work.
Rushing increases the risk of errors if stages are skipped or necessary technological waiting periods are shortened to meet deadlines. Quality may suffer, and completed work may have to be redone.
Unforeseen circumstances
Weather, supply disruptions and geopolitical instability can affect the schedule. Cold weather can restrict concrete work, facade work and roofing; whether work can continue depends on the temperature, materials and technology used. In the original article, the author also noted changes in customary seasonal schedules. A weather or logistics disruption does not automatically constitute force majeure in legal terms: that classification depends on the applicable law, the contract and the circumstances.
Delivery times for components, including those from abroad, also affect the pace of construction. Planning for weather and logistics risks and allowing extra time help reduce the impact of delays, but do not guarantee that they will be eliminated.
Staffing difficulties and weak management
Construction depends on people’s work. A shortage of skilled workers can affect both quality and the speed of execution. For example, a manager expected 5 tradespeople, but only 2 arrived on site: the others declined the work or chose other jobs. Finding urgent replacements can require additional money and time, pushing back later stages.
An up-to-date list of tradespeople and contractors helps you maintain working contacts and find replacements. The 101 website lists teams and counterparties, as well as contacts, among the system’s capabilities. This describes a general capability, without instructions for the current interface.
Management arrangements also affect deadlines. Efficiency depends on how well the project manager organises the team and communication between the client, architect and builders. Clear, timely coordination helps experienced specialists align their actions and reduce the risk of errors.





