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Free 2026 London Planning ReportHouse Extension Drawings in Kidbrooke SE3

New-build and postwar houses on a regenerated Kidbrooke SE3 street in the Royal Borough of Greenwich suited to a rear extension
Kidbrooke · SE3 · Greenwich

House Extension Drawings in Kidbrooke SE3

Fixed-fee, MCIAT-chartered house extension drawings for Kidbrooke (SE3) homeowners — Royal Borough of Greenwich validation and local constraints handled from the start.

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Kidbrooke (SE3) is a district defined by change: the system-built Ferrier Estate has been cleared and rebuilt as Kidbrooke Village, one of the largest housing regeneration schemes in south-east London, ringed by surviving interwar and postwar suburban housing. Householder extension and loft work concentrates on those older semi-detached and terraced houses on the fringes, where drawings have to respond to a genuinely mixed streetscape.

There is no conservation area covering Kidbrooke — that is a genuine, verified fact, not an omission. Its planning character is instead shaped by the scale of the ongoing regeneration and by the varied older housing around it, read against the Royal Borough of Greenwich's householder design expectations. We treat the immediate context of each house, rather than a conservation designation, as the reference point when we design an extension.

Across streets like Westbrook Road, Dursley Road and Whetstone Road, demand is steady for rear extensions, side infills and loft conversions on the interwar and postwar houses. We check each property's permitted-development position against Greenwich's borough-wide controls — and, on newer Kidbrooke Village homes, any developer conditions or covenants — before preparing drawings that either stay within permitted development or are ready to validate as a full householder application.

New-build and postwar houses on a regenerated Kidbrooke SE3 street in the Royal Borough of Greenwich suited to a rear extension
Isometric illustration of a Kidbrooke SE3 home house extension drawings design
Proposed floor plan
Kidbrooke SE3

Planning in Kidbrooke (SE3): what to know before you apply

Greenwich assesses Kidbrooke extensions against the immediate context, which varies from new-build village blocks to older interwar and postwar houses, so the design has to respond to each house rather than a single estate pattern. There is no conservation area and no local Article 4 direction, so many older houses retain permitted development rights for rear and loft work — but on newer homes, developer conditions and covenants can restrict alterations, and neighbour amenity and building lines remain the points a householder application is judged on.

Typical Kidbrooke housing stock

A rapidly changing mix of new-build Kidbrooke Village apartments and houses alongside surviving interwar and postwar semi-detached and terraced homes on the fringes. The suburban houses around the regeneration area are where most householder extension and loft work happens.

Streets we regularly draw for in Kidbrooke

Blackheath Park · Charlton Park Lane · Morden Road · Sweyn Place · Paddock Close · The Lane · The Hall · Liskeard Gardens · Westbrook Road · St Germans Place · Dursley Road · Whetstone Road

What SE3 is actually built of

Measured from 411 classified residential buildings in SE3, not from a description of the area.

Kidbrooke SE3 housing mix

Residential building form across the SE3 postcode district, from 411 classified buildings.

Attached on more than one side43%
Attached on one side41%
Detached16%
Median building footprint67 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate2.2
Buildings classified411

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.

House Extension Drawings for Kidbrooke (SE3) homes: the package and the process

Extension drawings are read for their dimensions. The proposed plan needs depth measured from the original rear wall — not from a previous extension — eaves and ridge heights taken from existing ground level, and the distance to each boundary marked. A site plan showing how much garden remains is what an officer reaches for when the amenity question comes up.

We draw the existing building accurately first, because everything else is measured from it. Where the original footprint has already been added to, that history goes on the drawing: it decides which allowances are still available and it is the first thing an officer checks against the council's own records.

The plot decides the extension type long before taste does. A mid-terrace has depth to work with and an alley if it is lucky; a semi has one clear flank; a detached house can go wide. Reading the building form first is what stops a design being drawn that the plot cannot take.

Which extension types do you draw?

Every London extension is shaped by the plot, the neighbours and the borough's design guidance. We draw them all.

Rear extension

A single-storey rear extension is often permitted development within depth limits — ideal for an open-plan kitchen-diner.

Side-return

Fills the alley beside a Victorian terrace, widening the ground floor without losing garden.

Wraparound

Combines a rear and side-return extension for a transformative ground floor, usually needing planning permission.

Double-storey

Adds space above and below, subject to tighter scale and neighbour-impact scrutiny.

Basement

Creates space downward where footprint is limited, with structural and party-wall care.

Do I need planning permission for a house extension in London?

Single-storey rear extensions within permitted development limits (up to 6m for terraced/semi-detached homes under the larger-home scheme, subject to neighbour consultation) may not need a full application. Wraparounds, double-storeys and anything in a conservation area usually do. We assess your plot and recommend the right route before drawing. The current depth, height and eaves limits are set out in full in the guide to planning permission for a rear extension, and where you would rather one practice ran the design, the application and the building-regulations stage together, Architectural Drawings covers that full scope.

How do you maximise the footprint the council will approve?

We know each borough's depth, height and daylight standards, so we design to the edge of what will be approved rather than guessing — and we check the 45-degree neighbour daylight rule and any rear building line before submission. Where a plot is tight we test a permitted-development scheme against a slightly larger householder application and show you the trade-off in space, cost and timescale, so the drawn scheme is the one that actually maximises value rather than just floor area.

Typical London extension drawing packages
ExtensionTypical routePackageFee from
Single-storey rearPermitted development / householderPlanning + building regs£1,100
Side-returnHouseholder planningPlanning + building regs + structural£1,600
WraparoundHouseholder planningFull package + structural£2,200
Double-storeyHouseholder planningFull package + structural£2,400
Sheet from a house extension drawings package drawn for a Kidbrooke property in SE3, showing the existing and proposed arrangement at scale
A sheet from the house extension drawings package we submit to Royal Borough of Greenwich for Kidbrooke (SE3) properties.
FAQ

House Extension Drawings in Kidbrooke SE3 — FAQs

How far can I extend without planning permission in London?+
Under permitted development, single-storey rear extensions can reach 3m (terraced/semi) or 4m (detached), or up to 6–8m under the prior-approval larger-home scheme — but conservation areas and Article 4 directions can remove these rights. We check your property first.
Do extension drawings include structural calculations?+
Our full package includes structural drawings and calculations coordinated in-house, so your builder can price and build without waiting on an engineer.
How long do extension drawings take?+
Typically about 7 days from survey to a full drawing set delivered to your online portal.
Will my rear extension need a party wall agreement?+
If you build up to or on a shared boundary, excavate near a neighbour's foundations, or cut into a party wall for a steel, the Party Wall etc. Act 1996 usually applies. Our drawings show the works clearly so a party wall surveyor — or your neighbour — can see exactly what is proposed, which keeps that process quick.
Can I extend a house in a conservation area?+
Yes, but conservation areas and Article 4 directions commonly remove permitted development for rear and side extensions, so the work needs a full householder application designed to the council's heritage guidance. We confirm your property's designation before recommending a route.
Do I need planning permission to extend a house in Kidbrooke?+
Not always. Many of the interwar and postwar houses around Kidbrooke retain permitted development rights, so a single-storey rear extension or a rear loft conversion can often proceed without a full planning application. On newer Kidbrooke Village homes there may also be developer conditions or covenants to check, so we review your property's position against Greenwich's controls first and prepare a full householder application where the project goes beyond permitted development.
Is Kidbrooke in a conservation area?+
No. There is no conservation area covering Kidbrooke. Its planning character is shaped instead by the large-scale Kidbrooke Village regeneration and the varied interwar and postwar housing around it, together with the Royal Borough of Greenwich's householder design expectations, which focus on how an extension sits against its immediate neighbours.
How much do planning and building-regulation drawings cost for a Kidbrooke extension?+
We work to fixed fees agreed before we start, with a typical turnaround of around seven days for a standard rear extension or loft on a Kidbrooke house. As a chartered architectural technologist practice we produce the same council-accepted planning and building-regulation drawings as an architect, usually for a lower fee, and include free redraws until your application is approved.
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.
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