House Extension Drawings in Rush Green RM7
Fixed-fee, MCIAT-chartered house extension drawings for Rush Green (RM7) homeowners — London Borough of Havering validation and local constraints handled from the start.
Rush Green (RM7) is an interwar residential suburb straddling the boundary between the London Boroughs of Havering and Barking & Dagenham along Rush Green Road, built up largely in the 1920s and 1930s with semi-detached housing and now anchored by Queen's Hospital nearby. Most householder projects here are extensions or lofts on those cohesive interwar semis, so the drawings have to sit comfortably within a consistent, planned streetscape.
There is no conservation area covering the Rush Green part of RM7 — that is a genuine, verified fact, not an omission. Its planning character is instead shaped by the uniformity of the interwar semi-detached layout and by the London Borough of Havering's householder design expectations, which lean on keeping the paired-house symmetry, original materials and roof forms intact. We treat that suburban cohesion, rather than a conservation designation, as the reference point when we design an extension.
Demand for rear extensions, side extensions and loft conversions runs steadily across roads like Sylvan Avenue, Kings Avenue and Whalebone Grove, where interwar semis sit on regular plots. Because the borough boundary runs through the suburb, we confirm which authority your property falls in and check its permitted-development position against Havering's borough-wide controls first, then prepare drawings that either stay within permitted development or are ready to validate as a full householder application.
Planning in Rush Green (RM7): what to know before you apply
Because Rush Green is a consistent interwar suburb of semi-detached houses, Havering assess extensions against the steady street rhythm and paired-house symmetry, so matching original brick, render and roof form and respecting the shared building line matters alongside the numbers. There is no conservation area and no local Article 4 direction in the Rush Green part of RM7, so many houses retain permitted development rights for rear and loft work — but modest plots, shared party walls and the Havering–Barking & Dagenham boundary running through the suburb mean depth, height, neighbour impact and confirming the correct authority are the points a householder application is judged on.
Typical Rush Green housing stock
Predominantly interwar semi-detached houses on planned suburban roads, with postwar and modern infill on regular plots. Those consistent interwar semis, on regular plots with front and rear gardens, are what drive most of the rear-extension, side-extension and loft-conversion work across the area.
Streets we regularly draw for in Rush Green
Mill Lane · East Road · Crow Lane · Whalebone Grove · Hainault Road · Kings Avenue · Sylvan Avenue · Albany Road · Gordon Road · Millbrook Gardens · Whalebone Avenue · Burchett Way
What RM7 is actually built of
Measured from 270 classified residential buildings in RM7, not from a description of the area.
Rush Green RM7 housing mix
Residential building form across the RM7 postcode district, from 270 classified buildings.
| Attached on more than one side | 41% |
|---|---|
| Attached on one side | 54% |
| Detached | 4% |
| Median building footprint | 59 m² |
| Addresses per buildingAbove about 2 means flats and maisonettes dominate | 1.26 |
| Buildings classified | 270 |
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 Rush Green (RM7) 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.
| Extension | Typical route | Package | Fee from |
|---|---|---|---|
| Single-storey rear | Permitted development / householder | Planning + building regs | £1,100 |
| Side-return | Householder planning | Planning + building regs + structural | £1,600 |
| Wraparound | Householder planning | Full package + structural | £2,200 |
| Double-storey | Householder planning | Full package + structural | £2,400 |
House Extension Drawings in Rush Green RM7 — FAQs
How far can I extend without planning permission in London?+
Do extension drawings include structural calculations?+
How long do extension drawings take?+
Will my rear extension need a party wall agreement?+
Can I extend a house in a conservation area?+
Do I need planning permission to extend a house in Rush Green?+
Is Rush Green in a conservation area?+
How much do planning and building-regulation drawings cost for a Rush Green extension?+
How long does Havering Council take to decide?+
Get your free Rush Green planning assessment
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