Free cost calculators
Instant estimates for the most common London projects. Borough-specific.
Loft conversion cost calculator
Free instant estimate. Borough + variant aware.
House extension cost calculator
Free instant estimate. Borough + variant aware.
Mansard roof cost calculator
Free instant estimate. Borough + variant aware.
Basement extension cost calculator
Free instant estimate. Borough + variant aware.
Full project cost calculator
Free instant estimate. Borough + variant aware.
Garage conversion cost calculator
Free instant estimate. Borough + variant aware.
Build cost per m² calculator
Free instant estimate. Borough + variant aware.
Planning application fee calculator
Current statutory council application fees.
Party wall surveyor cost calculator
Estimate party wall surveyor and award fees.
Stamp duty & extension calculator
Estimate the SDLT impact of your project.
