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feature
victoria road, alexandra palace
a crafted, material-led rear extension for narrow terrace
At Victoria Road in Alexandra Palace, Zminkowska De Boise Architects have replaced a cold, poorly insulated side-return extension with a crafted, split-level addition that rethinks the rhythm of everyday family life. What was once a narrow, dark galley kitchen squeezed celebration of natural materials, deliberate design decisions and careful attention to proportion, light and detail...
The existing house – a three-storey Edwardian terrace – had long suffered from a rear extension that did little to support contemporary living. Only 1.7m wide, with a bituminous felt roof, single- glazed doors and a plastic rooflight, it was perpetually cold in winter, uncomfortably warm in summer and visually disconnected from both the outrigger and the steep rear garden. Its internal floor level sat lower than the adjacent reception spaces, creating an awkward step between rooms and limiting the house’s potential. Rather than enlarge the footprint, ZDB Architects set out to transform the space through refinement, reconfiguration and an approach to form and detailing defined by minimalist restraint. The original extension was removed, a new opening formed in the outrigger wall, and a split-level plan introduced that makes a virtue of the existing change in level. It does not feel grand, rather it feels effortlessly calm – the kind of space where every millimetre works. The new lower ground section houses
the kitchen and pantry, stepping down from the dining and living areas above. This move creates two distinct but visually linked zones: an intimate, grounded kitchen overlooking the garden, and a more elevated living-dining space that benefits from borrowed light and expanded sightlines. A pre-patinated black standing seam zinc elevation anchors the rear façade, paired with a wide aluminium framed window and an elongated rooflight that brings daylight deep into the plan. Rainwater is guided via a spout and chain into a sunken, plant-filled patio – an intentional detail that encourages
the family to enjoy the texture and atmosphere of even grey, wet days. Inside, the architects adopted a palette that favours texture, clarity and warm tactility. Oiled engineered oak parquet, linoleum, sealed plaster finishes, painted timber joists and white-oiled birch plywood create continuity between zones. This quiet, natural palette forms the backdrop to a series of bespoke joinery elements – designed to respond precisely to how the family live and work. A defining element is the desk-height
kitchen counter, intentionally set lower than standard worktop height to allow the clients’ daughter to sit and sew while her mother cooks beside her. This is one of several moments where client and architect found common ground in designing a home that makes life easier and more connected without feeling overly programmed. It demonstrates the
practice’s belief that everyday rituals – cooking, making, conversation – should inform and enrich the architecture, rather than compete with it. Beyond the kitchen, a window bench seat occupies a deep reveal overlooking the garden, becoming a natural focal point for reading, relaxing or simply pausing within the day. Adjacent to the dining area, another bench incorporates a playful, oversized “mouse hole” cat tunnel and flap set within the birch plywood joinery – a moment of humour and character that still sits comfortably within the refined aesthetic. A vertical slot window from the living area pulls light sideways into the plan, adding to the sense of calm that pervades the new ground floor. Although compact, the extension achieves a remarkable sense of cohesion. The split-level arrangement enhances spatial perception, offering subtle thresholds without resorting to partitions. Material consistency ties everything together, while natural light is choreographed to animate surfaces across the day. From the upper level, the view down into the kitchen emphasises the crafted quality of the joinery and the gentle interplay of colour and timber. From the kitchen, the steps back up to the dining area frame the social heart of the home. Externally, the zinc-clad elevation, widened rear opening and generous glazing strike a balance between quiet confidence and contextual sensitivity. The architectural language is contemporary and sits comfortably beneath the scale of the existing Edwardian shell.
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