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Free 2026 London Planning ReportMeasured Building Survey in Putney SW15

Open-plan kitchen extension interior in a Putney SW15 Victorian house near the Thames, Wandsworth
Putney · SW15 · Wandsworth

Measured Building Survey in Putney SW15

Fixed-fee, MCIAT-chartered measured building survey for Putney (SW15) homeowners — London Borough of Wandsworth validation and local constraints handled from the start.

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Putney (SW15) is unusually heavily conservation-controlled for an outer-inner London neighbourhood: five separate conservation areas — Putney Embankment, West Putney, East Putney, Charlwood Road & Lifford Street, and Oxford Road — cover a large share of the housing. Whether a property sits inside one of those boundaries is the single biggest factor in how an extension or loft is designed and assessed.

Add the Thames on the northern edge, and riverside and Embankment properties also carry flood-zone considerations that have to be addressed in the application. We map a Putney property against the conservation and flood-zone boundaries first, then design the drawings to Wandsworth's residential guidance so the application is validated without a query.

Open-plan kitchen extension interior in a Putney SW15 Victorian house near the Thames, Wandsworth
Isometric illustration of a Putney SW15 home measured building survey design
Proposed floor plan
Putney SW15

Planning in Putney (SW15): what to know before you apply

SW15 has no householder Article 4 direction, but its five conservation areas mean permitted development cannot be assumed across much of Putney, and riverside properties near the Embankment sit within the Thames flood zone — both are checked before we recommend a route.

Typical Putney housing stock

Victorian and Edwardian terraces on the streets climbing from the river, riverside mansion blocks along the Embankment, and interwar semi-detached houses toward Putney Heath and Roehampton.

Streets we regularly draw for in Putney

Putney High Street · Upper Richmond Road · Lower Richmond Road · Disraeli Road

What SW15 is actually built of

Measured from 341 classified residential buildings in SW15, not from a description of the area.

Putney SW15 housing mix

Residential building form across the SW15 postcode district, from 341 classified buildings.

Attached on more than one side55%
Attached on one side34%
Detached10%
Median building footprint71 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate2.14
Buildings classified341

Source: Ordnance Survey National Geographic Database (derived statistics). Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Extracted 2026-08-17.

Measured Building Survey for Putney (SW15) homes: the package and the process

A measured survey is the foundation every later drawing is checked against. We record the building as found — floor plans, elevations, sections, levels and, where needed, the position of structure and services — to a stated tolerance, so nothing downstream rests on an assumption about what is there.

The deliverable is chosen for what happens next. A conversion or extension design wants a layered CAD file that a designer can build on; a party wall or dilapidations matter wants dimensioned PDFs that stand on their own as a record. We agree that before the survey, because it changes what we capture.

Survey effort follows the building, not the floor area. A regular detached house measures quickly; a terrace with a rear outrigger, split levels, and a century of alterations takes longer because the survey has to record what was actually built rather than what the plan form implies.

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.

Can I reuse an old survey or estate agent floor plan instead?

Generally, no — estate agent floor plans are produced for marketing purposes and are not dimensionally accurate enough to design an extension or loft conversion against, and a previous owner's drawings may not reflect alterations made since, or may simply be inaccurate to begin with. A fresh measured survey is a modest cost relative to the overall project and is the single best way to avoid a redesign once a builder is on site and finds the real dimensions differ from the drawings.

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
Sheet from a measured building survey package drawn for a Putney property in SW15, showing the existing and proposed arrangement at scale
A sheet from the measured building survey package we submit to London Borough of Wandsworth for Putney (SW15) properties.
FAQ

Measured Building Survey in Putney SW15 — 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 a side-return extension in Wandsworth?+
On many of Wandsworth's Victorian terraces a single-storey side-return or rear extension can fall within permitted development, so a full application isn't always required. Conservation areas such as Wandsworth Common and Nightingale Lane, and the 'between the commons' streets, can restrict this. We check your street's designation first and can secure a Lawful Development Certificate where the work is permitted development.
What does Wandsworth's basement Article 4 direction mean for me?+
In parts of Wandsworth an Article 4 direction removes permitted development for basement works, and the council requires a Basement Impact Assessment covering structural stability, drainage and groundwater. If you are considering a basement or lower-ground extension we flag whether the direction applies to your address early, and coordinate the structural input so the application is complete when submitted.
How long will Wandsworth take to decide my application?+
Wandsworth determines most householder applications within the statutory eight-week window once the submission is validated. Because the terraced grids around the commons are party-wall-sensitive and design expectations are well established, the commonest delay is a drawing query — so we prepare Wandsworth submissions to the validation checklist to keep them moving.
Can you design an extension for a converted flat near the commons?+
Yes. Much of Battersea and the streets around Clapham and Wandsworth Commons are mansion blocks and converted flats, where ownership, lease and party-wall considerations shape what is deliverable alongside the planning route. We confirm the ownership and structural context before drawing, and coordinate the calculations in-house so party-wall-sensitive schemes are handled cleanly.
How much do Wandsworth planning drawings cost?+
We agree a fixed fee before starting, usually around 30% below an architect's fee for the same council-accepted drawings, with free redraws until Wandsworth approves. The price depends on the scheme — a side-return differs from a mansard loft or a basement — so we quote once we have seen your project rather than charging by the hour.
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