Loft Conversion Cost in Newcastle: 2026 Price Guide

• Rooflight (Velux) conversion: £18,000-£31,500
• Rear dormer conversion: £31,500-£46,500
• Hip-to-gable or mansard: £46,500-£70,000+

Roof space in a Tyneside flat

The roof space above a Tyneside flat typically belongs to the upstairs flat, not shared between both as in a standard tenement, which usually makes a loft conversion more straightforward for that owner than in a jointly-owned block - but it's still worth confirming exact ownership and any title conditions before assuming the loft is automatically available to convert.

Full houses in Gosforth and Jesmond

Where full houses predominate, loft conversions follow the more familiar rules - a rear dormer not visible from the street usually falls under permitted development, while front-facing dormers typically need a full planning application.

Party walls

Most Newcastle terraces, flat-split or not, share a party wall with the neighbouring building, meaning a Party Wall Agreement is required before work starts - budget several weeks for this specifically.