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Free 2026 London Planning ReportHouse Extension Drawings in Gidea Park RM2

Rear garden extension behind a detached Gidea Park garden-suburb house in Havering RM2
Gidea Park · RM2 · Havering

House Extension Drawings in Gidea Park RM2

Fixed-fee, MCIAT-chartered house extension drawings for Gidea Park (RM2) homeowners — London Borough of Havering validation and local constraints handled from the start.

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Gidea Park (RM2) is one of Havering's most tightly protected neighbourhoods — a designated garden suburb of detached architect-designed houses where the Gidea Park Conservation Area carries a confirmed Article 4 direction. That direction removes the permitted development rights most homeowners rely on, so alterations here almost always need a formal application.

Because the estate's character rests on generous plots, deep gardens and consistent building lines, Havering scrutinises anything that disrupts that rhythm. We prepare drawings to the conservation-area appraisal and the Article 4 control levels so extensions, dormers and even window or boundary changes are presented in a form the borough will accept.

Rear garden extension behind a detached Gidea Park garden-suburb house in Havering RM2
Isometric illustration of a Gidea Park RM2 home house extension drawings design
Proposed floor plan
Gidea Park RM2

Planning in Gidea Park (RM2): what to know before you apply

Unlike most of Havering, Gidea Park has a confirmed Article 4 direction (Art4/4/2015) covering the whole conservation area, so permitted development rights are withdrawn under Control Level 1 or 2. Assume nearly all external householder work needs express planning consent and design that respects the garden-suburb layout.

Typical Gidea Park housing stock

Almost entirely detached houses on generous plots, many by named Arts-and-Crafts-era architects from the 1910-11 exhibition estates, set on wide tree-lined roads with deep front gardens and mature planting.

Streets we regularly draw for in Gidea Park

Reed Pond Walk · Meadway · Heath Drive · Balgores Lane

What RM2 is actually built of

Measured from 138 classified residential buildings in RM2, not from a description of the area.

Gidea Park RM2 housing mix

Residential building form across the RM2 postcode district, from 138 classified buildings.

Attached on more than one side29%
Attached on one side52%
Detached19%
Median building footprint84 m²
Addresses per buildingAbove about 2 means flats and maisonettes dominate1.47
Buildings classified138

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 Gidea Park (RM2) 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 Gidea Park property in RM2, showing the existing and proposed arrangement at scale
A sheet from the house extension drawings package we submit to London Borough of Havering for Gidea Park (RM2) properties.
FAQ

House Extension Drawings in Gidea Park RM2 — 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 for an extension in Havering?+
Havering has no borough-wide Article 4 direction affecting typical householder permitted development, so its detached and semi-detached homes often keep fuller rights than inner-London terraces — larger rear and single-storey extensions can qualify. Green-belt land toward the east and conservation areas such as Upminster and Emerson Park restrict this. We check your address first and can confirm permitted development with a Lawful Development Certificate.
How does green-belt land affect my Havering project?+
On green-belt properties toward the borough's eastern and northern edges, extensions are assessed against strict limits on disproportionate additions to the original dwelling. It does not rule out an extension, but scale and siting matter and the case must be evidenced carefully. We confirm whether your property is green belt and design a scheme that stays within policy.
Can I build a bigger extension because Havering plots are larger?+
Often, yes. The generous interwar and detached plots across Hornchurch, Emerson Park and Upminster make substantial rear and double-storey extensions viable where a tight terrace could not. The limit is usually policy rather than space. We design to use the plot fully within permitted-development allowances or a well-evidenced full application.
How long does Havering Council take to decide?+
Havering determines most householder applications within the statutory eight-week period once validated; green-belt and conservation cases can involve additional consultation. A complete, correctly scaled submission is the best way to avoid a validation query — we prepare Havering drawings to the council's checklist to keep the application on track.
How much do planning drawings cost in Havering?+
We quote a fixed fee upfront, typically around 30% below an architect's charge for the same council-accepted drawings, with free redraws until Havering approves. Because plots here allow larger schemes, the fee tracks complexity — a single-storey rear differs from a double-storey or a green-belt case — and we confirm it once we understand your plans.
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