Attic renovation: a guide for pros
What customers ask, how to win the job, and what to put on your profile.
Offering attic renovation
Attic conversions depend on the existing roof framing, the stair layout and the ventilation, and customers want to know which of those are real limits. Win the job by checking the structure and showing the stair and headroom on paper before you quote.
What customers ask
- Is my roof framing strong enough for a floor and a room?
- How much headroom will I have at the stair and at the walls?
- Will the attic stay cool in summer, and will it get condensation in winter?
- Where does the stair go, and does it take much space from the room below?
- Who checks the structure, and will you put that in writing?
How to win the job
- Measure the roof pitch, ridge height and rafter or joist sizes on the first visit, and photograph the framing from the attic side and the roof side.
- Sketch the stair footprint on the floor below and the headroom line in the attic, so the customer sees the trade-off before the quote.
- Put the structural check and any reinforcement in its own line in the quote, with the person who verified it named.
- Specify the insulation layer, the air seal and the vent path in the quote, and explain how the roof deck stays dry.
- Show the window or escape route on the plan with its size, and state the local requirement it meets.
- Quote the roofing, flashing and dormer work as separate lines so the customer knows who handles the roof.
- Bring a sample of the insulation and the ventilation product you plan to install, so the customer sees the materials.
What to put on your profile
- Before and after photos of attic conversions showing the stair, headroom and window
- Photos of the framing reinforcement and the insulation layer before drywall
- A photo of a dormer or skylight flashing detail, which shows the roof work quality
- A short note on the ventilation and air-seal method used on attic rooms
Follow-up that helps the customer
- A check after the first heating and cooling season to look at humidity, condensation and the vent path
- A care sheet for the stair, handrail and window hardware
- Advice on adding an attic bathroom or a second window later, offered only when the customer asks
Licenses and permits
Attic conversions often need permits for structural, stair, window and electrical work, and roofing work is often inspected. Confirm your contractor registration, any roofing or trade licenses and your insurance in your state and locality before you take the job.
Questions
Should I give a structural guarantee?
Only if a qualified person has checked the framing and the work follows that check. Put the name of the person and the scope of the check in the file, and do not promise the framing will carry loads you did not evaluate.
How do I price a dormer I have not built?
Get the roof details, the flashing system and the framing plan before you quote. Ask the homeowner for photos of the roof from the outside, and list the dormer as a separate line with its unknowns named.
About this guide
This national guide is written and checked by infinibell. Rules and conditions differ by place, so local pros are credited on guides for the cities they serve, not on national ones.
Edit history
- Oct 29, 2026: Drafted by infinibell to our content guidelines.
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