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Rear extension behind a Georgian terrace in Greenwich SE10, Royal Borough of Greenwich
Greenwich · SE10 · Greenwich

Measured Building Survey in Greenwich SE10

Fixed-fee, MCIAT-chartered measured building survey for Greenwich (SE10) homeowners — Royal Borough of Greenwich validation and local constraints handled from the start.

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Greenwich (SE10) is among the most heritage-sensitive places to build in London: most of its period housing sits within one of the Royal Borough's conservation areas — West Greenwich, Greenwich Park, East Greenwich or the Ashburnham Triangle — and three of those carry Article 4 directions that pull nearly all external work into the planning system. Side-return and rear extensions on the Victorian and Georgian terraces are the staple, but they are judged carefully on materials, proportion and detail.

SE10 also sits within, or beside, the Maritime Greenwich World Heritage Site: the inscribed core is the Old Royal Naval College, Queen's House, Royal Observatory and Cutty Sark, with the surrounding streets in the buffer zone. That means townscape and setting weigh heavily on how schemes are assessed. We check exactly which conservation area — and which Article 4 direction — applies to a Greenwich address before advising on a permitted-development or full-application route.

Rear extension behind a Georgian terrace in Greenwich SE10, Royal Borough of Greenwich
Isometric illustration of a Greenwich SE10 home measured building survey design
Proposed floor plan
Greenwich SE10

Planning in Greenwich (SE10): what to know before you apply

Most SE10 houses fall inside the West Greenwich, Greenwich Park, East Greenwich or Ashburnham Triangle conservation areas, and the first three carry Article 4 directions removing permitted-development rights for re-roofing, windows, doors and other external changes. The Maritime Greenwich World Heritage Site and its buffer zone add further townscape scrutiny. We confirm the conservation area and Article 4 status for a specific property before recommending a route and drawing to the Royal Borough's guidance.

Typical Greenwich housing stock

Georgian and early-Victorian terraces around Royal Hill and Crooms Hill, the Victorian terraces of the Ashburnham Triangle, and the streets of West and East Greenwich framing the town centre and Greenwich Park.

Streets we regularly draw for in Greenwich

Royal Hill · Crooms Hill · Ashburnham Grove · Gloucester Circus

Measured Building Survey for Greenwich (SE10) homes: the package and the process

Every measured building survey we prepare for an Greenwich property is drawn to Royal Borough of Greenwich’s validation standards and tuned to the SE10 constraints above. Here is what the drawing package covers and how the process runs from first survey to approval.

Every accurate drawing starts with an accurate survey. Before any proposed extension, loft conversion or alteration can be designed, we need to know exactly what already exists — the true dimensions of each room, the position and size of every door and window, floor-to-ceiling heights, wall thicknesses, roof pitches and the exact shape of the plot. A measured building survey captures all of this on site using a laser distance meter, recording existing plans, elevations and sections to millimetre accuracy, rather than relying on old estate agent floor plans, a previous owner's drawings, or rough on-site guesswork.

This matters more than it might seem. A design drawn on top of an inaccurate existing survey can look correct on paper and then not actually fit once a builder is on site — a wall that is 200mm out of position, a ceiling height that is lower than assumed, or a roof pitch that does not match reality can all force a costly redesign mid-build. A fresh, laser-measured survey de-risks that from the outset: the proposed extension, loft conversion or internal alteration is designed against the real dimensions of your home, not an approximation, so what is drawn is what can actually be built.

Why does a planning or building regulations application need a measured survey?

A planning or building regulations application needs to show the existing building accurately alongside the proposed changes, so the council or Building Control can judge the impact of the work against what is actually there. Existing plans, elevations and sections drawn from an accurate measured survey give the borough confidence that the proposal has been designed against real dimensions, and give your builder a reliable set of drawings to price and build from — an application based on inaccurate or assumed dimensions risks queries, delays, or a design that does not translate cleanly on site.

What does a measured building survey capture?

The survey records everything needed to produce accurate existing drawings: internal room dimensions and floor-to-ceiling heights on every level, the position, width and height of every door and window, wall thicknesses, staircase dimensions and headroom, roof shape and pitch, chimney breasts and structural features, and the external footprint and boundary relationship of the property. Where relevant to the project, we also record ground levels, existing drainage runs and neighbouring boundary conditions.

This is captured with a laser distance meter rather than a tape measure, which keeps the survey accurate to within a few millimetres across a whole property and removes the cumulative measuring error that can creep into a hand-measured survey of a larger or more complex building.

What a measured survey feeds into
Output drawingRelies on the measured survey for
Floor plansAccurate room dimensions and layout for sale, letting or lease use
Planning drawingsExisting plans, elevations and sections to compare against the proposal
Building regulations drawingsAccurate existing structure to design technical compliance against
Structural calculationsTrue spans, floor-to-ceiling heights and existing structural elements
FAQ

Measured Building Survey in Greenwich SE10 — FAQs

How much does a measured building survey cost?+
A measured building survey starts from £450, or is included as the first stage of a planning, building regulations or architectural drawing package, depending on the size and complexity of the property.
How long does a measured survey take?+
The site visit itself typically takes a few hours depending on the size of the property, with existing drawings produced from the survey data shortly afterwards as the basis for the next stage of your project.
Is a measured survey the same as a floor plan?+
A measured survey is the site data-capture process; floor plans are one of the outputs drawn from it. The same survey can also produce elevations, sections and the existing-layout base drawing for a planning application.
Do I need a measured survey if I am only doing internal work?+
Usually yes if you are removing or altering walls, since accurate existing dimensions and structural features are needed to design and calculate the changes safely, even where no planning application is required.
Can the survey be used for more than one purpose?+
Yes — a single measured survey typically underpins floor plans, planning drawings, building regulations drawings and structural calculations for the same project, so it only needs to be carried out once.
Do I need planning permission for an extension in Greenwich?+
It depends on the area. The interwar and post-war suburbs toward Eltham and Kidbrooke often retain permitted development rights for rear extensions and lofts, while the historic core around West Greenwich and Blackheath sits within conservation areas where those rights are removed. We check your address against the designations first and can confirm permitted development with a Lawful Development Certificate.
How does the Maritime Greenwich World Heritage Site affect my project?+
Proposals within the World Heritage Site or its buffer zone are assessed against the setting of Maritime Greenwich, where the council protects townscape and long views toward the Royal Observatory. It doesn't rule out an extension, but roof-level and prominent works near the site need careful, context-led design. We confirm whether the setting applies to your address before drawing.
Can I extend a home in Blackheath or Westcombe Park?+
Yes, but these conservation areas carry strong design control over materials, rooflines and front elevations, and sloping sites around Blackheath and the Greenwich hills shape what works. We design context-led drawings that respond to the area's Georgian and Edwardian character and the topography, which is what carries applications to consent here.
How long does the Royal Borough of Greenwich take to decide?+
Greenwich determines most householder applications within the statutory eight-week period once validated; World Heritage Site, conservation and protected-view cases can involve additional consultation. We prepare submissions to the council's validation checklist to avoid the drawing queries that cause most delays.
How much do planning drawings cost in Greenwich?+
We agree a fixed fee before starting, typically around 30% below an architect's fee for the same council-accepted drawings, with free redraws until Greenwich approves. A suburban Eltham extension and a West Greenwich heritage application differ in the evidence required, so we quote once we understand your address and project rather than by the hour.
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