Advice centre
Residential project advice, without the jargon.
Guides to extension costs, planning routes, technical drawings, consultant teams and the practical steps between an idea and construction.
How much does a rear extension cost in Leeds?
There is no single reliable cost-per-square-metre figure for every extension. A useful budget separates the building work from professional fees, statutory charges, surveys, specialist consultants and contingency.
Read guide →FeesHow much do architectural drawings cost for an extension?
The cost depends less on the number of sheets and more on what the architectural service is expected to achieve. Design drawings, planning drawings and technical construction information are different stages with different levels of work.
Read guide →PlanningDo I need planning permission for a rear extension?
Some house extensions can be carried out under permitted development rights, while others require planning permission. The correct route depends on the property, dimensions, previous alterations and local constraints.
Read guide →PlanningPermitted development vs planning permission.
Both routes can lead to a residential project being built, but they work differently. The important question is not which one sounds easier; it is which route legitimately fits the proposed work and the property.
Read guide →TechnicalWhat are Building Regulations drawings?
Building Regulations drawings develop a residential design into more detailed technical information. They help explain how the project is intended to satisfy relevant requirements and how key parts of the construction fit together.
Read guide →Project planningWhat consultants do I need for a house extension?
Not every extension needs the same consultant team. A straightforward project may only need a small number of specialist inputs, while a constrained or complex site can require additional surveys and technical advice.
Read guide →ProgrammeHow long does a house extension take from design to construction?
The programme is made up of several stages rather than one continuous design period. Planning route, client decisions, consultant information and contractor availability can all affect the overall timeline.
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