What makes two extension quotations difficult to compare?
Different assumptions about finishes, specialist tasks, removal and making good can produce very different totals. Compare the written scope and specification, including exclusions and supplier responsibilities. Ask for unclear items to be explained before treating the prices as equivalent offers.
Can later landscaping affect the extension brief now?
Its intended route and levels can influence the connection. Recognise the plan while leaving detailed later work to its appropriate assessment.
Should exclusions be reviewed before accepting a price?
Read exclusions alongside the tasks needed to complete the room, not in isolation. Identify who provides each omitted item, when it is needed and whether the building price relies on it. Compare the full project commitment rather than only the main contractor’s total. Where the quotation contains an allowance instead, ask how it will be resolved and adjusted so an uncertain amount is not mistaken for an omitted task.
What is the difference between an exclusion and a provisional allowance?
An exclusion says a task or item is outside the price; an allowance includes an amount on a stated basis while a decision or condition remains unresolved. Ask exactly what each covers and who is responsible for excluded work. Establish how an allowance will be adjusted when information becomes available. These distinctions matter when comparing prices and estimating the total cost of completing the room.