Good Houses
Calculators
Work out what a job is likely to cost before you speak to anyone: what moves the price, what you'd gain, and what you'd give up.
Extension cost
What a rear, side or double-storey extension typically costs, and whether it pays back.
Loft conversion cost
Rooflight, dormer, hip-to-gable and mansard conversions.
Kitchen renovation cost
Budget through premium, scaled to your kitchen's size.
Bathroom renovation cost
Cloakroom through large ensuite.
Heat pump cost
Sizing, available grants, and running cost versus your current system.
Solar panel cost
System size, generation, and payback in years.
EV charger cost
Installation cost, and whether a grant applies.
Air conditioning cost
Single or multi-split, room by room.
Stamp duty
England & Northern Ireland, Wales and Scotland's different rules, including first-time buyer relief.
Extend or move
Compare the true cost per m² of extending versus moving.