London house extensions

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      Alexander Owen Architecture wraps London house extension in two types of marble

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      Alexander Owen Architecture has added a marble-clad extension and garden room to this Victorian mid-terrace in East Dulwich, London, to accommodate a home office and a well-stocked bar.The owners, a couple with three young sons, wanted a place to entertain and ample space to spend time together as a family.

      Top image: the garden room houses a bar and home office. Above: the kitchen extension looks out at the garden and annexe
      In response to the brief, the architects created a single-storey rear extension that adds 13.3 square metres and accommodates an open-plan kitchen, utility room and toilet, plus a 16-square-metre annexe that serves as a work and social space.
      Separated by a paved garden, the facade of the extension and garden room are clad in two types of precision-cut marble – a lighter version with hazier veining called Arabescato and a dark grey Bardiglio marble with a more structured finish.

      Alexander Owen Architecture clad the kitchen extension in different kinds of marble

      “We wanted to create a holistic flow to the house and garden and a certain mimicry between the extension and garden room as new interventions,” Richard Bridges and James Webster, founders of Alexander Owen Architecture, told Dezeen.
      “The marble cladding on the extension and garden room has been designed to have similar cut lines and panel formations but the arrangement of the two marble types is reversed.”

      The marble is cut so that it wraps seamlessly around the glazing frames
      The marble has been mitred around the doors and windows and digitally cut to create precise, 90-degree junctions between the individual slabs. This allows the cladding and the cut lines to seamlessly wrap themselves around the glazing frames.
      “The wider site context provides an abundance of trees and greenery, which as the day progresses cast an ever-changing array of light and shadow across the site,” said the architects, who both previously worked at Foster + Partners.
      “The final selection of marble was informed by this layering of dappled light on top of the veining, colouration and movement inherent to each type.”

      The kitchen is finished with stainless steel worktops
      A set of sliding doors with Accoya wood frames opens the kitchen and dining space up to the outside, while the garden room is glazed with a set of bi-folding windows and a pivoting door.
      Alexander Owen Architecture chose robust, low-maintenance surfaces for the kitchen extension, including a poured concrete floor, stainless steel island unit, shot-blasted pewter brick walls and a timber ceiling.

      Pewter brick walls are contrasted with timber ceilings
      “Each material was selected based on how it would sit against the other materials and its ability to sit in an almost ‘raw’ state – the very engineered precision and sheen of the stainless steel and geometric texture of the pewter blocks versus the natural, organic strength of the marble and warmth of the timber,” Bridges and Webster explained.
      “The palette tries to create a very calming balance between the organic and the engineered.”

      Dallas Pierce Quintero arranges small London home around four courtyards

      The steel island unit also incorporates a bench seat for the dining area while a linear skylight lets in sunshine from above.
      The same black, wire-cut bricks that pave the garden are used on the floor of the annexe to create a seamless connection between indoors and outdoors. In the garden room, walls are clad in yellow Valchromat MDF and birch ply, as are the built-in desk, bar and storage cupboards.

      The garden room offers a “grown-up” space for entertaining
      According to the architects, who established their studio in 2013, the home’s layout is carefully divided into various zones tailored to the family’s daily routine.
      The utility room and toilet are located in the mid-section of the property so that the kitchen and garden room at the back can function as a peaceful, “grown-up” area that can be kept tidy for dinners with friends.

      It also houses a home office
      “The rest of the house can effectively be shut off, with the utility space playing a key role in storage,” said Bridges and Webster. “The family snug in the front part of the house means the owners can read books and listen to music on their record player while their children can watch TV or play in the other end of the space.”
      The garden room serves as a home office during the week and helps the couple maintain a boundary between work and family life. It also has an expansive bar that can be used for small gatherings.

      Bar seating runs along the bi-folding windows
      According to Alexander Owen Architecture, there has been a marked increase in clients wanting to create an office space in their home.
      “We have had a lot of interest in garden rooms since the start of the pandemic, with some new clients even prioritising this ahead of developing the main house due to the need for home working, schooling and simply more space,” explained the architects.
      “It’s undeniable the impact that the last 12 months have had, not only on how much time we spend in our homes but on how we use them as live-work accommodation.”
      Covid-19 has forced companies around the world to embrace remote working, with many predicting that working from home will be here to stay long after the virus has been brought under control. Last month Dezeen rounded up 10 products to improve your home-office setup.
      Contractors for this project were Create Bespoke and photography is by French+Tye.

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      Bureau de Change makes creative use of terrazzo in Frame House renovation

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      London studio Bureau de Change has used different varieties of terrazzo to create a richly textured interior for a remodelled family home.Frame House is a Victorian terraced home in south London, renovated and extended by Bureau de Change for a property developer and her family.

      The ground floor of Frame House is split over three levels
      The project involved adding a rear extension, converting the loft and completing revamping the interior. But most importantly, the client wanted to give the home a distinct character and coherency throughout.
      The architecture studio achieved this with a carefully planned colour and material strategy, and through playful use of geometry.

      The lounge occupies the extended rear of the house

      “The brief was to create a coherent journey through all spaces and floors,” explained architect Billy Mavropoulos, who co-founded Bureau de Change with partner Katerina Dionysopoulou.
      “We needed a holistic design, looking at everything from the architecture of the extension, to the layouts and the way the spaces are used, down to the joinery handles and details,” he told Dezeen.
      “The client was after a rich palette of finishes and colours, but one that would feel consistently part of the same narrative.”

      Different varieties of terrazzo were chosen for different areas
      As is common with Victorian terraces, Frame House has a split-level layout that helps to make the floor plan more efficient.
      In the new layout, the ground floor is divided over three levels, comprising the kitchen, dining space and lounge. The two split-level upper storeys contain three en-suite bedrooms, a separate bathroom and a study room.
      Terrazzo was the material that Mavropoulos and Dionysopoulou chose to unite the various spaces. It is a material the pair are familiar with, having previously used it in another residential project, Folds House.

      Different shades of taupe feature on each of the ground floor levels
      Here, they decided to work with different varieties of terrazzo to give each space its own character, while subtly tying them all together.
      On the ground floor the flooring is a taupe terrazzo in three slightly different shades – one for each level. This creates a gentle transition from light to dark, starting with the kitchen at the front of the house and ending with the lounge at the rear.

      A green marble terrazzo was chosen for the staircase handrail
      “We chose them very carefully so that they are all of the same family but vary in darkness/density,” said Mavropoulos.
      “The colour difference is very subtle as we did not want the floor to take over. But when you look closely you notice the difference.”
      Other details have been picked out contrasting terrazzo varieties: a kitchen island features shades of red and black, the staircase handrails are a green marble terrazzo, and each bathroom has its own different shade.

      The master bedroom on the first floor features an en-suite with grey terrazzo
      The geometries of the design are based around the rear extension, which gives the occupants a large living space.
      Keen to avoid the 45-degree angled roof and frameless glass typical of infill extensions, the architects opted for a more cuboidal approach. Steel frames create staggered glass boxes, which Mavropoulos and Dionysopoulou liken to museum display cases.

      The new loft bedroom features an en-suite with pale terrazzo and pink walls
      “When we looked at the cascading volumes in plan and section, we felt there was an element of fragility to them, almost like a jewel stone, so we decided to make them out of glass to enhance that feel,” said Mavropoulos.
      “These distinctly cubist glass volumes are articulated through their bold steel-frame construction, expressing each edge in a manner that creates shifting patterns of light and space, and a paradoxical sense of both levity and solidity,” added Dionysopoulou.

      The terrazzo also extends into the garden, forming cascading planters
      These cascading box forms are referenced in other places, such as the proportions of the split floor levels, or the planting boxes in the garden. There’s also a glass display case in the dining area.
      Other details contribute to the personality of these spaces. The lounge room brings together a floral-patterned rug and a large cactus plant, while the dining space features a wall of shelving filled with various objects and books.
      The architects hope the result is one of “theatre and tactility”.
      Photography is by Gilbert McCarragher.
      Project credits
      Architect: Bureau de ChangeInteriors: Bureau de ChangeEngineer: SymmetrysM&E: MWLContractor: Argyll LondonLandscape: Tulip Landscapes

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      Studio Hallett Ike expands ER Residence in London with charred larch extension

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      Minimal white living spaces lie behind the blackened timber facade of this extension that Studio Hallett Ike has added to a Victorian flat in north London.The flat, which has been titled ER Residence, occupies the ground floor of a Victorian terrace. Studio Hallett Ike said that, prior to its intervention, the flat had a well-proportioned layout, but unfortunately was only able to accommodate a single bedroom.
      Now, thanks to a rear extension, the flat contains a second bedroom – which doubles up as a study – and a dining room.

      Beams of charred larch clad ER Residence’s extension

      “Essentially we wanted to create a property that would work for a young family living in London that wants an aspirational, clean, minimal design whilst retaining a realistic project budget,” the studio’s co-founder, Madeleine Ike, told Dezeen.
      “The idea being that it could act as a case study for other London residents in the same situation without a huge budget.”

      The extension contains an additional bedroom
      The extension is rectilinear in form and clad with beams of blackened English larch, which were charred by hand on-site.
      “Doing this, rather than painting or staining, allows the texture and grain of the larch to feel very present, and to age and patina over time,” the studio explained.
      “The colour changes depending on the weather and time of year; during the winter months it has silvery hues, but evolves to appear warmer in the summer.”

      A desk in the bedroom offers a place for inhabitants to work
      Two different-sized windows also punctuate the extension’s exterior, which are both framed with aluminium.
      The slightly wider window looks through to the bedroom-cum-study, which has been finished with clean white walls.

      The extension also plays host to a dining room
      A wide panel of Douglas fir wood has been set at the rear of the room, serving as a headboard for the bed. To the side of the room is a three-tier shelving unit and a desk where inhabitants can sit and work.

      Burnt House is a charred wood extension that looks like a Japanese tea house

      The narrower window in the extension offers a view of the dining room.
      Douglas fir has been used here again to create a seating bench – a cut-out in the shape of a cat’s head has been made in the bottom corner, through which the owners’ feline companion can crawl to access a cosy cubby.

      The dining room table is accompanied by a Douglas fir bench
      Studio Hallett Ike has continued the colour and material palette of the extension through to the rest of the home. The updated kitchen, for example, boasts Douglas-fir cabinetry and a white terrazzo splashback.
      Grey terrazzo has then been used to line surfaces in the bathroom.

      Terrazzo appears in the flat’s kitchen, and the bathroom
      Walls in the living area have been coated with a pale grey plaster that stops just beneath the room’s original plaster cornicing. The existing wooden floorboards here were also preserved and sanded down to expose more of their natural grain.
      Black-metal furnishings such as the coffee table and overhead lighting fixture were included to “give weight and depth” to the space.

      Pale grey plaster coats walls in the living room
      “The overarching design approach was to carry out a small number of strong but simple moves that are consistently applied, sitting at the heart of every design consideration,” added the studio.
      “These come together to create an overall impression that is minimal and timeless, exuding an assured and understated elegance.”

      The living room also features the flat’s original wooden floorboards
      Studio Hallet Ike was founded by Madeleine Ike and Jonty Hallett in 2018. The studio’s ER Residence isn’t the only London property to feature a charred-wood extension – Rider Stirland Architects added a blackened timber volume to a house in Ladywell.
      Will Gamble Architects also used scorched wood to create a Japanese tea house-style extension for a home in Fulham.
      Photography is by Ståle Eriksen.

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      Tsubo House in Hackney features tiny Japanese-style courtyard

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      Architecture practice Fraher & Findlay has renovated and extended a home in east London, adding a small courtyard that offers glimpses of old and new parts of the property.Tsubo House was originally built in Hackney during the Victorian era and over the years had come to look shabby and unloved.
      The house’s current owners – the founders of Studio XAG – brought architecture practice Fraher & Findlay on board to carry out a complete overhaul.

      As part of the works, the Brockley-based practice constructed a spacious back-garden extension.

      It was key for this new living space to feel closely connected to existing rooms in the home and not too distanced from the basement level, which is often utilised by visiting friends and family.

      Fraher & Findlay decided to insert a small courtyard at ground level that would visually link together the new and existing parts of the home.

      Fraher & Findlay adds wildflower-topped extension to London house

      It draws upon tsubo-niwas – tiny interior courtyards that are incorporated into Japanese buildings to provide natural views and bring in additional sunlight.
      The courtyards are traditionally the same size as a tsubo, a Japanese measuring unit of 3.3 square metres that’s roughly equivalent to the area of two tatami mats.

      “We wanted an external environment to act as a pivot point between the spaces, whilst acting as an environmental tool to bring in lots of natural light and to aid natural ventilation,” said the practice.
      “It feels like a quiet force, providing life energy to the house.  it is visible from all the rooms in the house with the exception of two bedrooms and one bathroom.”

      The pebbled courtyard is centred by a tree and has an array of potted plants running around its periphery. Leafy climbing plants also wind up its rear wall.
      One window of the courtyard looks through to the older front section of Tsubo House, while the another has views of the new rear extension that accommodates a kitchen and dining area.

      Designed to feel “textured, calm and lived in”, the kitchen has been finished with pink raw-plaster walls and timber joinery. Some of the brass light fixtures were also sourced second-hand from eBay, complementing the curved brass handles on the cupboards.
      The extension has a slatted black-timber facade and a green roof, which the studio introduced so that, when viewed from the baby’s nursery upstairs, this part of the home would look as if it’s wearing a “hairy hat”.
      Flooring of the extension was also made lower than the rest of the home, as a mid-way between the ground and basement levels.

      Plaster surfaces continue through into the home’s living room, which the practice has updated to match the owners’ creative personalities. It’s dressed with velvet furnishings, shaggy rugs and a bubblegum-pink edition of Faye Toogood’s Roly-Poly chair.
      Decades-old paintwork has also been stripped back from the ornate cornices, ceiling roses and skirting boards.

      More quirky features appear upstairs – the nursery, for example, has a midnight blue ceiling speckled with stars, and all of the bathrooms feature graphic monochromatic tiled floors. One even includes its own fireplace and a freestanding jet-black tub.
      The project also saw Fraher & Findlay create a loft extension for Tsubo House that accommodates an additional bedroom and wash facilities.

      Fraher & Finlay was established in 2009. The practice has previously created a wildflower-topped extension and renovated a home to feature traces of its original architecture.
      Photography is by Adam Scott.
      Project credits:
      Architect: Fraher & FindlayInterior design: Studio XAGEngineer: PD DesignContractor: Steflay DevelopmentsGarden and planting design: Miria Harris

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      Yellow Cloud Studio punctuates Glyn House extension with arched window

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      A half-arch window in this east London home extension by Yellow Cloud Studio offers glimpses of the older parts of the property. Glyn House is situated in the neighbourhood of Clapton and is occupied by a young couple who are hoping to grow their family. Previously, the poky proportions of the house – which dates […] More

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      Szczepaniak Astridge focuses London loft extension on timber bath

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      Szczepaniak Astridge has added a rooftop extension to Leaf House, a terrace in south London for architectural photographer Edmund Sumner and writer Yuki Sumner. Designed to be a peaceful retreat, the loft extension contains the Sumners’ master bedroom and features a wooden bath positioned against a large window with views across London. “Leaf House was […] More