Wandsworth Master Loft Conversion
Design visualisationImagery shown is a design visualisation of this project.
A premium Mansard loft conversion transforming an unused Victorian attic into a luxury hotel-style master bedroom suite, Juliette balcony, and a microcement en-suite bathroom.
We designed and constructed a stunning Mansard loft conversion on this Victorian townhouse in Wandsworth, unlocking valuable space without expanding the ground footprint. The new second-floor master suite is designed in a luxury boutique hotel style. Large, custom timber-framed sash windows and a minimalist black iron Juliette balcony flood the room with natural light and offer commanding views of the local London rooftops. The sleeping area features bespoke floor-to-ceiling wardrobes and raw timber rafters, while a sleek glass screen partitions the open en-suite. The bathroom is finished entirely in a calming, seamless grey microcement, equipped with high-end brushed brass rain showers, designer vanity units, and an integrated smart toilet.
Maximising vertical headroom within a complex, asymmetrical truss roof structure while meeting building regulations for thermal envelope performance.
We replaced the bulky original timber trusses with high-performance steel flitch beams tucked into the partition walls, gaining an additional 25cm of ceiling height. Sourcing ultra-thin, vacuum-sealed PIR insulation boards allowed us to exceed U-value regulations without adding depth to the roof profile.
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“Grand Innovations Surrey did an outstanding job on our kitchen extension. This was a big project involving structural steelwork and a full redesign of our layout, and the team handled everything with real expertise. The quality of finish is superb, and the builders were friendly, tidy, and very considerate of our family routine. The result is better than we imagined, and we feel like we're living in a new home.”
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