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How our fees work
Not to scale
You choose one of two ways to pay, and we confirm the fee in a letter before any work starts.
A percentage of the build cost
Usual for new homes and large extensions: for example 8 to 12% of the construction cost (example), spread across the stages.
A fixed fee per stage
Usual for smaller extensions, renovations and planning drawings only. You pay each stage as it is finished.
| Stage | What you get | Fixed fee |
|---|---|---|
| Brief and survey | Site visit, measured survey and a written brief | $650 |
| Concept design | Two options with sketches, plans and a 3D view | $2,400 |
| Planning | Planning drawings, the application and follow-up | $1,900 |
| Technical design | Construction drawings, notes and a schedule of works | $3,600 |
| Build | Site visits and help with questions from the builder | $110 an hour |
Example prices for a single-storey rear extension. Your fee depends on the size and complexity of the project and is confirmed in writing first.
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Start with a conversation
Scale 1:100
Tell us about your house or your plot and what you would like to change. We will suggest a time for a first consultation, at your home or in the studio.