Our Projects - Residential Extensions, Loft Conversions and New Builds in London

Cobham Residence KT11 - new build exterior, Cobham, Surrey

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Cobham Residence
New Build · KT11

New Build · Cobham, Surrey · 2024

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Chelsea Townhouse SW3 - rear extension, Cheyne Walk

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Chelsea Townhouse
Extension · SW3

Extension · Cheyne Walk, Chelsea, SW3 · 2022

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Putney Terrace SW15 - living space, Disraeli Road

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Putney Terrace
Extension · SW15

Extension · Disraeli Road, Putney, SW15 · 2024

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Cobham Residence KT11 - new build exterior, Cobham, Surrey

New Build · Cobham, Surrey

Cobham Residence KT11

Set within a generous garden plot in Cobham, this substantial new build was designed around the client's vision of a refined family home that speaks to its leafy Surrey setting without retreating into pastiche. Rosace developed a contemporary design that balances openness with intimacy, creating spaces that flow seamlessly between inside and out.

New BuildCompleted 2024
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Putney Terrace SW15 - living space, Disraeli Road

Extension · Disraeli Road, Putney, SW15

Putney Terrace SW15

A single storey rear extension and garden room outbuilding for a Putney terrace house on Disraeli Road, giving the client the dining and entertaining space their existing layout could not provide.

ExtensionCompleted 2024
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Kingston Mansard KT2 - mansard loft conversion exterior, Brunswick Road

Loft Conversion · Brunswick Road, Kingston upon Thames, KT2

Kingston Mansard KT2

A mansard loft conversion and single storey rear extension for a Kingston upon Thames property in a conservation area, adding a master suite with balcony above and extra living space below.

Loft ConversionCompleted 2025
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Kingston Basement KT6 - basement conversion, Cotterill Road, Surbiton

Basement Conversion · Cotterill Road, Surbiton, KT6

Kingston Basement KT6

A basement conversion in Surbiton, KT6, approved with a flood risk assessment despite the site's Flood Zone 1 rating, delivering a single considered living space below ground.

Basement ConversionCompleted 2024
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Chelsea Townhouse SW3 - rear extension, Cheyne Walk

Extension · Cheyne Walk, Chelsea, SW3

Chelsea Townhouse SW3

A rear extension and full interior design for a Grade II listed Chelsea townhouse on Cheyne Walk, approved by the Royal Borough of Kensington and Chelsea within a conservation area.

ExtensionCompleted 2022
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Finsbury Park Terrace N4 - single storey rear extension, Hanley Road

Extension · Hanley Road, Finsbury Park, N4

Finsbury Park Terrace N4

A single storey rear extension in Finsbury Park, N4, delivered under permitted development for a straightforward, no-fuss addition of family space.

ExtensionCompleted 2022
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Merton Terrace SW19 - single storey wraparound extension, Tybenham Road

Extension · Tybenham Road, Wimbledon, SW19

Merton Terrace SW19

A single storey wraparound extension for a Wimbledon terrace house, clad in dark charcoal aluminium fascia with a bronze undertone and a sedum green roof, a contemporary departure from the brick extensions either side of it.

ExtensionCompleted 2023
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Kingston Loft Extension KT2 - loft conversion with Juliet balcony, Barnfield Avenue

Loft Conversion · Barnfield Avenue, Kingston upon Thames, KT2

Kingston Loft Extension KT2

A loft conversion with a Juliet balcony in Kingston, KT2, delivered under permitted development for a terrace property on Barnfield Avenue.

Loft ConversionCompleted 2024
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Kingston Double Storey KT3 - double storey extension, Dukes Avenue, New Malden

Extension · Dukes Avenue, New Malden, KT3

Kingston Double Storey KT3

A double storey extension to a semi-detached house in New Malden, KT3, adding a ground floor living area and a first floor master suite above.

ExtensionCompleted 2023
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Tufnell Park Terrace N7 - single storey rear extension with pitched roof, Tufnell Park Road

Extension · Tufnell Park Road, N7

Tufnell Park Terrace N7

A single storey rear kitchen extension with a pitched roof for a Tufnell Park terrace house on the Islington and Camden border, finished in a warm beige monocouche render.

ExtensionCompleted 2022
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