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[Y/N] Studio prioritises nuance with its glass extension for a Victorian home

Words:
Alex Smith

Conservation and sustainability loom large at the reconfigured and extended Green House in Hackney, maintaining its individualism and intimacy with attention to detail

The May Green glass extension at Green House in Hackney, designed by [Y/N] Studio.
The May Green glass extension at Green House in Hackney, designed by [Y/N] Studio. Credit: Lorenzo Zandri

Who is the project for and what was the brief, including any specific requirements?

The brief called for the reconfiguration and extension of the lower ground floor of a split-level Victorian house in Hackney. In opposition to prevailing trends towards open-plan white spaces and boxy extensions, we pursued a more nuanced approach which responds to the householders’ particular tastes and interests, as well as the work of one of the clients as a building conservationist.

What was the planning context/situation?

The building is in a traditional Victorian street in Hackney but given that the works focused to the rear there were no significant issues in gaining planning permission.

Describe the project, including its context, the existing building it is extending and the work that has been done

A series of intimately connected spaces replace the previous layout, which had divided the front and back of the house and ignored the garden. Now, a new glazed study offers privacy and views into the south-facing garden, which has been relandscaped and planted for colour, scent, and to promote biodiversity. Under the stairs a small utility room and toilet are provided behind panelled walls and hidden doors. A large L-shaped kitchen takes advantage of the full width of the house and offers views from back to front gardens through its now uninterrupted length. There is a modest fully glazed extension which provides a dining area.

  • View from the new dining space into the garden, which has been relandscaped.
    View from the new dining space into the garden, which has been relandscaped. Credit: Lorenzo Zandri
  • View of the glass extension with its bifold doors open so the new dining space becomes a semi-outdoor room.
    View of the glass extension with its bifold doors open so the new dining space becomes a semi-outdoor room. Credit: Lorenzo Zandri
  • View from the kitchen through into the dining space.
    View from the kitchen through into the dining space. Credit: Lorenzo Zandri
  • The projects refurbishes and extends the ground floor of a Georgian townhouse in east London.
    The projects refurbishes and extends the ground floor of a Georgian townhouse in east London. Credit: Lorenzo Zandri
  • More oak details in the doors and architraves, where they meet a new waste wood terrazzo floor in the dining space.
    More oak details in the doors and architraves, where they meet a new waste wood terrazzo floor in the dining space. Credit: Lorenzo Zandri
  • One of the new window details at Green House, Hackney, designed by [Y/N] Studio.
    One of the new window details at Green House, Hackney, designed by [Y/N] Studio. Credit: Lorenzo Zandri
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Explain the external treatment of the project

Externally the monopitched roof of the glass house reflects that of the distinctive butterfly roofs of the terrace to ensure that this is a distinct yet harmonious addition in keeping with spirit of the original house.  The oak frame is clad in a bright ‘May Green’ metal to signify its newness.

Explain how the interiors have been designed

The challenging brief led to innovation and homage in equal measure. The material and colour palette was influenced by the clients’ love for early-20th-century paintings of domestic interiors, for example by Harold Harvey, embracing deep hues in the circulation spaces and kitchen and opening up to lighter natural oak in the glass house. Inside, taking inspiration from an antique Welsh dresser, the oak timber frame of the glass house is formed into a wall of shelving which can be used for display and storage.

What has been the project’s approach to sustainability?

The project prioritises the use of sustainable materials. A reclaimed parquet floor salvaged from a school sports hall provides character and a lasting, high-quality finish. The kitchen worktop, by Granby Workshop, is formed from 70% reclaimed materials and hand-marbled to create unique surface patterns. In the glass house, a timber terrazzo floor that reuses waste wood introduces a sense of playfulness and warmth, while harmonising with the oak frame.

[Y/N] Studio designed oak built-in furniture to create space and allow the client’s existing collection of furniture to be incorporated into the design. Credit: Lorenzo Zandri
The terrazzo worktop in the kitchen has been supplied by Granby Studio using recycled materials. Credit: Lorenzo Zandri

Describe one challenge and how you overcame it

The client has a diverse collection of traditional furniture including a Welsh dresser, which was causing the space to feel cramped. To counteract that, the entire project is conceptualised as a piece of furniture, including a built-in bench and storage. There is no distinction between the structural frame of the glass house and the other joinery elements in the house.  

What is your favourite detail/moment in the project?

We love the way the bifold door can effectively turn the space into a covered dining area in the summer.  This flexibility is something that was very important to the client from the outset and something which the team worked hard to achieve.

Which aspect would you do again next time?

We enjoy using natural materials like oak and combining them with recycled materials like the recycled worktops and timber terrazzo floors. This approach remains prevalent in many of our projects. We are also working with the contractor again, because the company had excellent attention to detail.

Alex Smith is founding director at [Y/N] Studio

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KEY DATA

Total contract cost £80,000
Area 50m2
GIFA cost per m2 £1600

Credits

Client Confidential

Architect [Y/N] Studio

Structural engineer Webb Yates

Building control Quadrant Approved Inspector

Main contractor John Goudie

Kitchen Luckin Kitchens

Worktops Granby Workshop

Existing and final ground floor plan.
Existing and final ground floor plan. Credit: [Y/N] Studio

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