Standard process timescale

Week 1
Erect scaffold, delivery of timber and steels, new floor structure.

Week 2
Dormer structure, floor and internal walls, velux installation.

Week 3
1st fix plumbing & electrics, floor & insulation.

Week 4
Plasterboard and new staircase fitted.

Week 5
Plastering & roof works.

Week 6
2nd fix carpentry, plumbing and electrics.

Week 7
Quality control check, site clean.

Week 8
Completion, decoration and scaffolding removal.