Loft conversion and extension project in Marylebone by Bluebird Spaces
    Marylebone W1U

    Georgian Restoration Builders in Marylebone

    Period property experts. Sensitive modernisation behind heritage facades.

    07564 041115

    Marylebone's elegant Georgian terraces and mansion blocks deserve careful, considered renovation. We specialise in bringing these properties up to modern standards while preserving the proportions and detailing that make them special.

    Our Services in Marylebone

    Georgian Restoration

    Faithful restoration of original sash windows, panelled doors, cornicing, and fireplaces combined with discreet modern upgrades.

    • Heritage-trained craftspeople
    • From £100,000
    • Westminster consent managed

    Mansion Block Refurbishment

    Complete apartment refurbishments within Marylebone's red-brick mansion blocks. Kitchens, bathrooms, rewiring, and replumbing.

    • 4–8 week programmes
    • From £60,000
    • Freeholder liaison included

    Marylebone Cost Guide

    TypeTypical CostPlanning?
    Period Bathroom£20,000 – £40,000No
    Kitchen Renovation£35,000 – £70,000No
    Mansion Block Refurb£60,000 – £150,000No
    Georgian Townhouse Renovation£200,000 – £600,000+Often yes
    Sash Window Restoration£1,500 – £3,000 per windowIf listed

    All costs exclude VAT. Howard de Walden and Portman Estate properties may require additional estate approvals.

    Common Questions

    Yes. We understand the Howard de Walden and Portman Estate approval processes and work within their guidelines for permitted works and materials.

    That's our speciality. We conceal modern M&E within period fabric, restore original features, and use sympathetic materials so upgrades are invisible.

    Typically 4–8 weeks for a full apartment refurbishment. We coordinate with building management on deliveries and working hours.

    Most of Marylebone is a conservation area. Internal works rarely need consent, but external changes and listed building alterations do. We assess your specific situation.

    Yes. We use specialist joiners who can draught-proof, repair, and restore original sash windows — often more cost-effective and sympathetic than replacement.
    Get Started

    Ready to talk about your project?

    Free consultation. Transparent, fixed-price quote within 48 hours.