There is a moment crossing Marlow Bridge when the whole town composes itself into a single view — the suspension chains drawing your eye forward, the spire of All Saints rising beyond, the river opening out beneath you. William Tierney Clark completed this bridge in 1832, and it became the prototype for his far larger Széchenyi Chain Bridge across the Danube in Budapest. That a small Thames-side market town should have produced the working model for one of Europe's great river crossings tells you something about the ambition that has always run through Marlow. The buildings here share that quality: Georgian townhouses along the High Street, a medieval survival or two tucked behind later facades, and a church whose Bath stone spire climbs to 170 feet. For an architect, Marlow is a place where engineering confidence and material refinement have always walked together.
Award-winning Architects in Marlow
Sustainable Architecture Rooted in Craftsmanship
I founded Gresford Architects in London in 2006, and we now work across the country from our Oxford studio. A town like Marlow, where a Georgian streetscape meets a Grade I listed suspension bridge and a conservation area dense with listed buildings from the fourteenth century onwards, calls for an architect who understands how buildings perform — thermally, structurally, and as part of their street. I am an ARB registered, RIBA Chartered architect, accredited by The Green Register and a member of the Passivhaus Trust, which means every project we take on is shaped by the conviction that sustainability and character should never be in conflict. I am also a member of the Society for the Protection of Ancient Buildings, a commitment that matters deeply when you are working with buildings that have been accumulating layers for seven hundred years. Our Passivhaus home The Deerings won the RIBA East Award in 2018, and that same year I was a finalist for Sustainability Architect of the Year at the Building Design Awards. Our work has been published in Dezeen, The Modern House Journal and Grand Designs Magazine, and in 2025 I was invited to judge the British Homes Awards. My wife Phoebe is a conservation architect, and her expertise in heritage buildings has informed our approach since the earliest days of the practice.
Architectural Services for a Thames-Side Town
Renovations in Marlow often mean working with the town's Georgian fabric, and that fabric is more varied than it first appears. A property on the High Street may be a substantial eighteenth-century townhouse in handmade brick with rubbed headers and stone dressings, while a few doors along you find number 24 — a timber-framed building dating from the fourteenth or fifteenth century that has survived behind later alterations. The Old Parsonage on St Peter Street carries similar medieval origins. Understanding which era you are truly working with, how the building was modified, and what the original structure can still tell you is essential before any renovation begins.
Marlow's Georgian townhouses — the brick-fronted properties along the High Street and West Street with their thick external walls, original sash windows and stone dressings — are ideal candidates for EnerPHit, the Passivhaus Institute's framework for energy retrofit. These are buildings whose solid brick construction can work alongside modern insulation rather than against it. Careful external or internal insulation at the right junctions, upgraded airtightness where heat escapes most, and mechanical ventilation with heat recovery to keep air quality high without draughting warmth away — the result is a home that costs a fraction of what it once did to run, stays warmer through a Thames valley winter and quieter through every season, all while the period character that makes the conservation area distinctive remains entirely intact.
Extension Design in Marlow requires an architect who can read the town's two quite different conditions. Within the conservation area — the tight plots of the High Street, the brick-and-flint character of Chapel Street and St Peter Street — any extension must work within a materials palette that has been established over centuries, and the relationship to the street matters as much as the space gained inside. Beyond the historic core, towards the residential streets south and west of the centre, larger post-war plots offer the chance to open a house to its garden, bring light into rooms that the original plan kept dark, and create the kind of flowing ground-floor connection that contemporary life demands. In both cases, the best extensions do not compete with what came before — they continue the conversation.
Sustainable Design in Marlow is rooted in what the town already teaches. The builders who raised the High Street understood orientation, sourced materials from local brickfields, and built for permanence — their buildings have proved it over three centuries. When we design sustainably, we inherit that discipline with sharper tools: homes positioned to capture light and warmth, insulated and sealed to perform as efficiently as the best of what came before, built with materials chosen for their whole-life impact. The bridge itself is a lesson in economy — Tierney Clark achieved his span with the minimum of material, and it has stood for nearly two hundred years. A home designed this way is not only kinder to the planet but more comfortable to inhabit, more economical to run and more joyful to live in.
A Passivhaus in Marlow would perform as the town's best buildings always have: with technical precision and material restraint. No boilers or radiators — the building does the work through meticulous insulation, airtight construction, and the kind of passive solar discipline the Georgian builders understood without naming it. From Tierney Clark's iron chains, tensioned to carry a road across the Thames, to Inwood's Bath stone spire rising 170 feet above the river, Marlow's finest structures have always been about engineering that is also craft. PassivHaus Design belongs to that tradition.
New Build Design in Marlow means responding to a town that has always set a high standard for itself — from the precision of the bridge to the refinement of its Georgian streetscape. Any new home must earn its place through quality of materials and clarity of design, connecting to the Chilterns chalk landscape and the Thames valley that has shaped this settlement since its earliest days. For sites in the open countryside beyond the town, Paragraph 84 of the National Planning Policy Framework provides a route for truly exceptional homes — architecture of the quality that Marlow's conservation area would demand, placed sensitively within the National Landscape.
Marlow has always been a town where ambition and craftsmanship meet — in the engineering of its bridge, the precision of its Georgian streetscape, the quiet survival of its medieval buildings. Whether you are renovating a listed property, improving the energy performance of an older home, extending to create the space your family needs, or building something entirely new, we bring the same belief to every project: architecture should be comfortable, designed to last, and as efficient as it is beautiful.