Design and Build

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House Extension Camden

Camden is among the most tightly regulated boroughs in the country to build in, and the figures explain why. Forty conservation areas cover roughly half of it. More than 5,600 buildings are statutorily listed, 53 squares are protected under an Act of Parliament passed in 1931, and a heritage statement accompanies every application made within a designated area. Whether a scheme is achievable at all turns on which of those designations reaches a particular address — and since the boundaries abut one another across the borough, that answer varies from one street to the next rather than from one district to another.

The housing is unlike anywhere else in north London. Camden Town holds the smallest resident population of any ward in the borough, because so much of it is market, high street and licensed premises rather than homes; what housing does exist sits above shops, behind public houses, and along mews entered through archways off the main roads. Around it the range is remarkable. Regency terraces at Regent’s Park, Georgian and Victorian streets of tall narrow houses, purpose-built mansion blocks along the arterial roads, industrial buildings converted beside the canal, and a body of post-war council housing so highly regarded architecturally that parts of it carry a higher listing grade than the Georgian terraces a few streets away. The great majority of Camden homes are flats within a larger building, and that single fact alters the rules before a drawing has been made.

Design And Build is an architect-led building company working throughout the borough. Design, structural engineering, party wall surveying and construction are delivered by people we employ directly, under a single contract running from the first survey to the final certificate. Nothing passes between separate firms, so the scheme approved on paper is the scheme that arrives on site.

Arrange a free survey and we will establish what your property permits before you commit to design.

House Extension Camden

Extending a Camden house behind the building line

House extensions to the rear, where Camden schemes succeed

The conservation areas here are principally concerned with what the street can see, which is why the back of a Camden house is almost invariably where a scheme finds its space. A full-width rear extension converts the narrow service kitchen of a Victorian plan into the room a household genuinely occupies, and a side return recovers the strip of yard that the original closet-wing layout left redundant. Plots in this part of London are considerably tighter than in the outer boroughs, so a design has to justify every square metre it claims rather than simply extending until the garden runs out. That constraint tends to produce better architecture, provided it is accepted at the outset rather than resisted.

Garden extension Camden
House extension Designer Camden

House extension design that satisfies a conservation area

Camden expects materials to correspond to the original building and a proposal to sit comfortably within the established rhythm of the street. In practice this governs brick selection and bond, window proportion and glazing pattern, the treatment of the parapet or eaves, and how the new work reads when seen obliquely from a neighbouring garden. Our architects and structural engineers develop the scheme jointly, which means the drawing you are shown has already been reconciled with what the building will structurally accept — a sequence that avoids the familiar and expensive discovery that an approved design cannot be built as drawn

House extension applications, prepared and argued by us

We assemble the submission, including the heritage statement Camden requires within a designated area, and conduct the correspondence with the planning department through to determination. Where the prospects of a proposal look uncertain, we say so at the point it can still be redrawn cheaply, and where a pre-application enquiry would justify its fee we recommend one. What we do not do is hand over a set of plans and leave you to negotiate the outcome alone.

side return Extension Camden

Home Renovation in Camden

Home renovation of a Camden period house

Most houses in this borough have been altered repeatedly and improved coherently once, if at all. A renovation of any ambition therefore begins with subtraction: stud partitions inserted in the nineteen-seventies, chimney breasts boarded over, a consumer unit fed by four successive generations of wiring, and paint or render that has quietly sealed moisture into solid brickwork for decades. Only when that has been removed does the constructive work begin — services renewed throughout, the fabric made warm and dry by methods appropriate to solid-wall construction rather than to a modern cavity, and the plan reorganised around the way the household actually lives rather than the way an Edwardian family once did.

Home renovation and interior design as a single process

Where finishes, joinery and lighting are selected after the building work is complete, the result reads as a series of separate decisions. We bring interior design into the programme while the layout is still fluid, so that the position of a wall, the height of a ceiling and the specification of a floor are resolved together. On a period property this also determines what original detail is worth retaining and repairing — a repaired sash costs less than a replacement and looks considerably better, and run-in-situ mouldings can be matched where a section has been lost.

Home renovation to reunite a divided Camden house

A great many Camden houses were subdivided into flats decades ago and can be brought back to single occupation. The work involves removing a duplicated kitchen and a surplus bathroom, returning gas, water and electrical supplies to single services, and correcting whatever was done to the staircase and landings at the time of conversion. Since what lies behind the partitions determines the cost, we survey thoroughly before quoting rather than discovering the position halfway through a contract.

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    Flat Refurbishment in Camden

    Flat refurbishment and permitted development: why flats differ

    This is the point at which a great many Camden projects begin badly. Permitted development rights attach to dwellinghouses; they do not attach to flats or maisonettes. Not curtailed, not reduced — simply absent, and absent irrespective of whether the building stands within a conservation area or well outside one. An alteration that a neighbour in the adjoining house could make without reference to anybody is, for the owner of a flat, a full planning application from the first day.

    Flat refurbishment consents: your lease and your freeholder

    Running alongside the council, and entirely independent of it, is the question of what your lease permits and whether the freeholder or managing agent will consent to it. That consent is normally granted through a licence to alter, a legal process with its own surveyor, its own costs and a timetable over which you have limited influence. Planning permission does not authorise you to begin work, and neither does the licence in isolation. Both are required, and proceeding on the strength of one alone remains the most expensive error available to anyone refurbishing a flat in this borough. We manage both consents as part of the project.

    Flat refurbishment in mixed-use Camden buildings

    Flats above shops and public houses are a defining Camden arrangement, and they behave differently again. Separation between the commercial floor and the residential accommodation above becomes a matter for building control rather than a formality, and it shapes the design rather than following it. Access for materials and waste is frequently confined to a single staircase, working hours are constrained by the business trading below as much as by the council, and protection of common parts has to be arranged with the freeholder in advance. None of this prevents good work; it does mean the programme must be built around the realities of the building rather than imposed upon it.

    Our Services

    Camden Builders Who Understand the Borough’s Planning Position

    Camden conservation areas: forty designations, one address

    Which of the forty areas covers a given property materially changes what can be proposed, and because the boundaries meet one another the distinction is often a matter of a few doors rather than a few streets. Regent’s Park carries the strictest control in the borough, with listed buildings running through it; Primrose Hill attends closely to extensions and to any alteration of a roof; Camden Square, Camden Broadway and the Regent’s Canal corridor each operate on their own terms. We establish the designation for a specific address against the council’s own records before design begins, because it determines the route rather than merely adding paperwork to it.

    Camden Article 4 Directions and what they withdraw

    Article 4 Directions operate in parts of Camden, removing permitted development rights that would otherwise apply automatically. Where one is in force, work that proceeds without reference to the council in most of London requires a full application here. Establishing whether one reaches your address is a matter of minutes and it changes both the programme and the cost.

    Camden conservation area appraisals: the council’s own view of your street

    Camden publishes a character appraisal for each designated area, and they are unusually forthright. The Camden Town appraisal commends Albert Street for the quality of its streetscape and identifies other buildings by name as detracting from the area — among them a former Post Office conversion criticised for applied decoration, an electricity generating station judged out of scale with its neighbours, and a garage frontage on Delancey Street. Read carefully, that is the council setting out in writing what it will and will not accept on a particular road. It is the first document we consult, and it is why our applications tend to answer objections before they are raised.

    Camden trees, party walls and the details that stall projects

    Two obligations catch Camden homeowners with some regularity. The council requires six weeks’ notice before any work to a tree within a conservation area, and the threshold is low — any trunk exceeding 75mm in diameter measured at 1.5 metres. Separately, Camden is built at close quarters, so the Party Wall etc. Act 1996 is engaged by most structural work, frequently with several adjoining owners entitled to formal notice. In a building subdivided over the years, identifying precisely who holds that entitlement requires some unpicking, and our surveyors undertake it as a matter of course.

    Camden Homeowners Choose Design And Build For Six Reasons

    • One practice, one contract, one price. Architecture, structural engineering, planning and construction under a single agreement, which removes the gap between what an architect draws and what a builder is willing to price — and removes any question of where responsibility lies when something has been overlooked.
    • The planning position settled before design. Designation, Article 4 status, listing and tenure confirmed against Camden’s own records at survey stage, rather than emerging once drawings have been paid for.
    • An itemised scope, priced and fixed, with the contingency that older buildings invariably demand declared openly as its own figure instead of being absorbed into a rate.
    • Applications prepared and defended in house, heritage statement included, with the correspondence to the planning department conducted on your behalf from validation to decision.
    • Work carried out by our own trades rather than assembled from day-rate subcontractors, to one programme, with a single project manager accountable throughout.
    • Full insurance and a written workmanship guarantee, with certificates and warranties transferred at completion and the snagging list closed rather than merely recorded.

    Camden Project Delivery, From First Survey to Final Certificate

    Camden survey and feasibility

    The survey is free and it is where the consequential questions are answered: designation and Article 4 position, tenure and lease, construction and condition, protected trees, and what access a particular Camden street will realistically permit. You receive a candid assessment of what is achievable before any money is committed to drawings.

    Camden design and structural engineering

    Plans, elevations, structural calculations and the heritage statement are developed concurrently by our own people, working within limits already confirmed rather than limits discovered during design. Where a scheme requires a specialist input, we procure it rather than passing the task to you.

    Camden planning applications and neighbour consents

    The planning application, building regulations approval, the freeholder’s licence to alter where a lease is involved, and party wall notices to every adjoining owner entitled to them — all prepared, served and pursued by us.

    Camden construction and handover

    A single programme, a single project manager and our own trades on site, with progress reported without your having to request it. The contract closes with sign-off from building control, the full certificate and warranty pack, defects resolved rather than listed, and a guarantee we put in writing.

    Camden Areas We Cover

    Camden Town, Primrose Hill, Chalk Farm, Regent’s Park, Gospel Oak and the canal side, together with Kentish Town, Hampstead, Kilburn, St Johns Wood, and the wider north west London area.

    Camden House Extension, Renovation and Refurbishment Enquiries

    House extension, home renovation or flat refurbishment — the sensible starting point is establishing what your own property and its designation actually permit. Tell us where it is and broadly what you have in mind, and you will receive that assessment together with an itemised scope and a price fixed against it, before any commitment is made.

    Contact us to arrange your free site survey.