Conservatory to Extension Conversion – hup! | Sussex Window Works

For homes with existing conservatories

Convert your conservatory into a fully Building Regulations–compliant extension

hup! logo — The better way to build

Using the innovative hup! system, Sussex Window Works specialises in conservatory conversions in Brighton and Hove transforming them into warm, beautiful living spaces — often while retaining your existing footings (around 95% of projects, subject to survey). Once compliant, the separating doors can be removed for a true open‑plan feel.

Based in Sussex • Friendly local team • No‑pressure advice

See how hup! transforms an old conservatory into a real extension

Experience Ultraframe’s innovative building system that transforms conservatories into modern extensions, fast.

Case Study 1 - hup! conversion

This project transformed an ageing conservatory into a bright, modern living space using the innovative hup! building system. The original room felt dated and underused, with a glazed roof and limited year-round comfort. By converting it into a fully insulated extension with contemporary glazing and rooflights, the space is now warmer, more practical, and far better connected to the home and garden.

The finished result is a sleek new room that feels like a natural part of the house, bringing in plenty of light while creating a much more comfortable space to relax and enjoy throughout the year.

 

Case Study 2 - hup! conversion

This project completely transformed an outdated conservatory into a sleek, modern extension that feels fully integrated with the home. The original space was tired and dated, with a lightweight glazed roof and older white frames that limited both the appearance and year-round usability of the room.

Using the hup! system, the old conservatory was replaced with a stylish new extension featuring a solid insulated roof, large contemporary glazing, and a much cleaner external finish. The result is a brighter, warmer and far more practical living space that looks like a natural continuation of the property rather than an add-on.

Inside, the transformation is just as striking. What was once a basic conservatory is now a comfortable, high-quality room with a modern finish, rooflights for added natural light, and slim framed doors opening onto the garden. Externally, the new design has completely modernised the rear elevation, creating a sharp and elegant space that enhances both the look and function of the home.

The finished extension gives the homeowners a room they can enjoy all year round, with improved comfort, a more contemporary appearance, and a space that adds genuine value to the property.

Conservatory Conversions Across Brighton & Hove

Sussex Window Works installs hup! conservatory conversions across Brighton, Hove, Portslade, Shoreham-by-Sea, Lewes, Haywards Heath, Burgess Hill and Peacehaven, helping homeowners transform outdated conservatories into modern living spaces.

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