A loft conversion is one of the best ways to add extra living space and increase the value of your home. But one of the first questions homeowners ask is: how long does a loft conversion take?
At Nrmltd, we aim to make the process smooth, fast, and stress-free. Here’s a simple breakdown of what to expect.
Typical Loft Conversion Timeline
On average, a standard loft conversion takes 6 to 12 weeks to complete. However, the exact timeline depends on several factors, including the type of conversion, size of the project, complexity of design, and any necessary planning permissions.
Here’s a general guide:
| Loft Conversion Type | Estimated Duration |
|---|---|
| Roof Light (Velux) Conversion | 4–6 weeks |
| Dormer Loft Conversion | 6–8 weeks |
| Hip to Gable Loft Conversion | 7–9 weeks |
| Mansard Loft Conversion | 8–12 weeks |
Key Stages of a Loft Conversion
Initial Design and Planning (2–4 weeks)
Site survey and measurements
Architectural drawings
Planning permission (if required)
Structural Work (2–4 weeks)
Strengthening the existing structure
Installing steel beams (if necessary)
Building the Loft (4–6 weeks)
Roof alterations (if needed)
Installing windows or dormers
Building internal walls and floor
Plumbing, Electrical, and Insulation (1–2 weeks)
Laying pipes, wiring, and insulating the space
Plastering, Flooring, and Finishing (1–2 weeks)
Plasterboarding, skimming walls, fitting floors
Painting, decorating, and final touches
Factors That Can Affect Loft Conversion Time
Planning permission and building regulations approval
Weather conditions (especially for major roof works)
Complexity of design (custom windows, bathrooms, extensions)
Structural issues discovered during the build
Changes made during the project (which may add time)
How Nrmltd Ensures a Smooth and Timely Build
At Nrmltd, we pride ourselves on efficient project management, clear timelines, and regular communication. We:
Assign a dedicated project manager to oversee every stage
Provide clear scheduling and progress updates
Work with highly skilled tradesmen and specialists
Ensure all work complies with building regulations
Our goal is to deliver high-quality loft conversions — on time and on budget.
Final Thoughts
How long a loft conversion takes depends on the type and complexity of the project, but with the right team, it can be a smooth and exciting transformation. If you’re thinking about a loft conversion, Nrmltd is here to guide you through every step — from initial design to final completion.
Ready to unlock the full potential of your home?
Contact Nrmltd today for a free loft consultation and quote!
Quick FAQ
Q: Can I stay in my home during a loft conversion?
Yes! Most loft conversions are carried out with minimal disruption, so you can usually remain living in your home throughout the project.
Q: Do all loft conversions need planning permission?
Not always. Many loft conversions fall under permitted development rights, but it’s best to check based on your property and local council guidelines.
Q: How much does a loft conversion add to house value?
A quality loft conversion can increase your home’s value by up to 20%, making it a smart investment.



