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House extension plans in Roche South — a glazed single-storey rear extension on a period home
Roche South · House Extension Drawings & Planning

House extension plans in Roche South

Single-storey, double-storey, rear and side extension drawings for Roche South homes — measured to Rochford District Council's design guidance, delivered in days and revised free until your decision, with a free approval-odds check before you commit.

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Roche South planning decisions and design rules

Rochford District Council granted 81% of the householder planning decisions it made in its latest published year — 6 points below the 87% England-wide householder average. Roche South contains Rochford CA, Shopland Church Yard CA conservation areas, so materials, fenestration and roof form are assessed against the appraisal, which is where a policy-literate drawing pack earns its keep. Its dominant interwar (1918–1939) and postwar (1945–1970) housing stock sets the design brief on most streets.

Before permission is required, Class B allows 40m³ of added loft volume on a terrace and 50m³ on a semi or detached house, and Class A allows a 3m single-storey rear extension on a terrace or 4m on a detached house. In conservation areas such as Rochford CA and Shopland Church Yard CA those rights are removed, so we confirm your exact address before a line is drawn. A validated householder application in Roche South is determined against an 8-week statutory target.

Rochford CA (designated conservation area), Shopland Church Yard CA (designated conservation area), Barling Magna (civil parish within Roche South), Rochford (civil parish within Roche South) and Sutton (civil parish within Roche South) — these are the Roche South pockets our drawings cover most. Heritage designations here include Rochford CA and Shopland Church Yard CA. Rochford District Council weighs each proposal against Rochford District Council's development plan and the design policies it applies to householder applications, where the 2,640 homes here are 15% 1930-1939, 12% 1955-1964, 7% 1945-1954, which is what sets the realistic roof and rear-projection options. On roofs the borough is hipped roofs with shallow pitches typical of 1930s building and shallow gabled roofs typical of that period's building, over 1930s semi-detached and detached houses (15% of 2,640 homes), late-1950s and early-1960s houses (12%) and early postwar houses (7%).

Why a Roche South scheme is judged on Roche South terms

What is permitted in Roche South turns on designation first, so that is where we start: Rochford CA (designated conservation area) and Shopland Church Yard CA (designated conservation area). Inside those boundaries permitted development is curtailed and Rochford District Council assesses materials, window detail and roof form against the area's own appraisal, so a scheme that would be waved through two streets away can need a full application here.

Beyond the designated areas, Roche South takes in Barling Magna, Rochford and Sutton. No Article 4 direction is recorded for Rochford District Council, but Roche South's 2 conservation areas still limit permitted development on those streets.

On stock, Roche South is 1930s semi-detached and detached houses (15% of 2,640 homes), late-1950s and early-1960s houses (12%) and early postwar houses (7%) — which is why hipped roofs with shallow pitches typical of 1930s building and shallow gabled roofs typical of that period's building govern what a loft or rear projection can realistically be. Rochford District Council decided 298 householder applications in the latest published year and granted 81%, with 53% issued inside the eight-week target. We draw to that record rather than to a national average.

The full build-period split for Roche South runs pre-1900 7% (180 homes), 1900-1918 1% (20 homes), 1919-1929 5% (120 homes), 1930-1939 15% (400 homes), 1945-1954 7% (190 homes), 1955-1964 12% (310 homes), 1965-1972 6% (150 homes), 1973-1982 5% (140 homes), 1983-1992 5% (140 homes), 1993-1999 7% (180 homes) and 2000-2008 5% (140 homes). That distribution is why pre-1900 detailing dominates the drawings here, and it is measured from council-tax records rather than assumed from the street name.

Rochford District Council also decides for Downhall and Rawreth, Roche North and Rural and Wheatley, so a decision in Roche South sits inside a wider pattern of decisions we track across the same authority — useful when an officer cites a precedent from the next area over.

Roche South by the published data

Published figures for Roche South and Rochford District Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.

MeasureRoche South
Dwellings recorded2,640
Built pre-1900180 (7%)
Built 1900-191820 (1%)
Built 1919-1929120 (5%)
Built 1930-1939400 (15%)
Built 1945-1954190 (7%)
Built 1955-1964310 (12%)
Built 1965-1972150 (6%)
Built 1973-1982140 (5%)
Built 1983-1992140 (5%)
Built 1993-1999180 (7%)
Built 2000-2008140 (5%)
Built before 19198%
Built 1919–193920%
Built 1945–200847%
Conservation areas in Roche South2 (Rochford CA, Shopland Church Yard CA)
Conservation areas district-wide10
Article 4 directions recorded0
Householder applications decided298
Householder applications granted81%
Decided within 8 weeks53%

Dwelling stock from VOA council-tax data at 31 March 2025; conservation-area and Article 4 counts from planning.data.gov.uk (MHCLG); decision figures are Rochford District Council's own, from MHCLG live table PS2 for the year to 31 March 2026.

Extension plans built around Rochford District Council's rules

Roche South homes come in a handful of recurring shapes, and each one points to a different extension. The borough is built largely from 1930s semi-detached and detached houses (15% of 2,640 homes), late-1950s and early-1960s houses (12%) and early postwar houses (7%), so a Victorian terrace usually wants a rear or side-return infill, while an interwar semi has room for a wider single-storey wrap or a two-storey side addition. Rochford District Council judges every one of them against Rochford District Council's development plan and the design policies it applies to householder applications, weighing footprint, height and the impact on the house next door before it looks at the elevations.

That is why the drawings decide the outcome. We set the extension depth against the permitted-development limits precisely, keep the eaves and ridge within the allowances, and plot the 45-degree daylight lines to the neighbours' windows so the case officer can see the amenity test is passed. Roche South contains Rochford CA, Shopland Church Yard CA conservation areas, so materials, fenestration and roof form are assessed against the appraisal, so we design around it from the first sketch rather than discover it at validation.

Roche South also protects whole streets — Rochford CA and Shopland Church Yard CA among them. No Article 4 direction is recorded for Rochford District Council, but Roche South's 2 conservation areas still limit permitted development on those streets. On designated land the larger-home extension route and most side extensions stop being permitted development, so we confirm your address against those layers before drawing a line.

Isometric house extension drawing for a Roche South home

Do I need planning permission to extend my house in Roche South?

Plenty of Roche South extensions are permitted development and need no planning application — a single-storey rear extension within the depth and height limits is the common case. You will normally need to apply to Rochford District Council if any of these apply:

  • The single-storey rear extension is deeper than 3 metres on a terrace or semi, or 4 metres on a detached house (6m/8m needs prior approval under the larger-home scheme)
  • It is a two-storey or double-storey extension, or the rear extension is higher than 4 metres
  • A side extension is wider than half the original house, or more than one storey
  • Any part projects forward of the principal (front) elevation, or the extension covers more than half the garden
  • Your home is in a conservation area such as Rochford CA and Shopland Church Yard CA, where the larger-home route and side extensions are not permitted development

Roche South extension approval rates — live from council data

Below is Rochford District Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Rochford District Council granted 81% of its householder applications in the year to 31 March 2026, and Rochford CA shapes what is approved here. A complete, policy-literate extension pack anticipates those pressure points before submission, which is why professionally drawn applications are decided faster and refused less often than DIY ones.

Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.

81%householder applications approved in Rochford
87%national average — Rochford is 6 points below the national average

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Which extensions get approved in Roche South

Across Rochford CA, Shopland Church Yard CA and Barling Magna, the extension that lands most often is the single-storey rear addition — a glazed kitchen-diner across the back of the house, kept within the permitted-development depth or taken to a full application where the ground floor wants more. On the borough's 1930s semi-detached and detached houses (15% of 2,640 homes), a side-return infill frequently pairs with it to square off the plan; on wider early postwar houses (7%), a two-storey side or rear extension can add a bedroom above without swallowing the garden.

The 2,640 homes here are 15% 1930-1939, 12% 1955-1964, 7% 1945-1954, which is what sets the realistic roof and rear-projection options. We size the extension to the amenity and daylight tests, match the roof and materials to the host house, and keep enough garden to satisfy Rochford District Council's space standards — so the scheme answers the borough's questions before an objection can raise them. Where permitted-development rights are used up or removed, we prepare the householder application to the council's extension design guidance instead.

Single-storey rear extension opening onto the garden of a Roche South house

House extensions across Roche South

We draw extensions on every street in the borough. A few of the neighbourhoods where Roche South projects come up most often:

Rochford CA

Extension drawings for Rochford CA's designated conservation area — footprint-checked, daylight-tested and drawn to Rochford District Council's guidance.

Shopland Church Yard CA

Extension drawings for Shopland Church Yard CA's designated conservation area — footprint-checked, daylight-tested and drawn to Rochford District Council's guidance.

Barling Magna

Extension drawings for Barling Magna's civil parish within Roche South — footprint-checked, daylight-tested and drawn to Rochford District Council's guidance.

Rochford

Extension drawings for Rochford's civil parish within Roche South — footprint-checked, daylight-tested and drawn to Rochford District Council's guidance.

Sutton

Extension drawings for Sutton's civil parish within Roche South — footprint-checked, daylight-tested and drawn to Rochford District Council's guidance.

Which extension suits your Roche South home?

The right extension in Roche South depends on your house type and how much garden you can give up. This is how the main options compare on planning route and what they add.

Extension typePermitted development?What it addsWhat Rochford District Council checks
Single-storey rearOften, within 3m/4m depth (6m/8m via prior approval)Bigger kitchen-diner across the backDepth, height, neighbour daylight (45°)
Side-return infillSometimes, if within width and height limitsSquares off an L-shaped ground floorWidth vs the original house, glazing to boundary
Two-storey rear/sideNo — full applicationExtra bedroom or bathroom aboveBulk, overlooking, 7m rear-boundary gap
Wraparound (rear + side)No — full applicationWhole-width open-plan ground floorCombined footprint and garden retained

Route depends on your street — conservation areas such as Rochford CA and Shopland Church Yard CA and Article 4 directions can remove permitted-development rights.

Four steps to an approved Roche South extension

A fixed process built around how Rochford District Council validates and decides householder extension applications — most drawings are submission-ready within seven days of survey.

  1. 1

    Free approval check

    Tell us your Roche South postcode and house type. We confirm your conservation and Article 4 status, how much permitted-development depth you have left, and score your odds against live Rochford District Council decisions.

  2. 2

    Measured survey

    We measure the existing footprint, floor and eaves levels, boundary distances and the neighbours' window positions — the numbers the depth limits and daylight tests depend on.

  3. 3

    Extension design & drawings

    Chartered designers develop the single-storey, two-storey or side extension to your brief, drawn inside the permitted-development limits or to Rochford District Council's extension design guidance.

  4. 4

    Submission & follow-through

    We submit the certificate, prior-approval notice or application, manage validation and case-officer queries, and revise the drawings free until Rochford District Council issues its decision.

Frequently asked questions

Do I need planning permission to extend my house in Roche South?

Not always. A single-storey rear extension up to 3 metres deep on a terrace or semi, or 4 metres on a detached house, and no higher than 4 metres, is usually permitted development. In Roche South you will need to apply to Rochford District Council for two-storey extensions, side extensions wider than half the house, anything forward of the front wall, deeper rear extensions under the larger-home prior-approval route, and any extension in a conservation area such as Rochford CA and Shopland Church Yard CA.

How deep can a single-storey rear extension go in Roche South without planning permission?

Standard permitted development allows 3 metres on a terraced or semi-detached house and 4 metres on a detached one. The larger-home extension scheme can double that to 6 or 8 metres, but it needs a prior-approval notification to Rochford District Council and a neighbour-consultation period, and it does not apply on designated land such as Roche South's conservation areas. We confirm which route your property qualifies for before drawing.

Can I build a double-storey extension in Roche South?

Two-storey and double-storey extensions almost always need a full householder application to Rochford District Council, because they fall outside permitted development on most homes. The council looks closely at bulk, overlooking of neighbours and the 7-metre gap a two-storey rear extension must keep from the rear boundary. We design to those tests and show the daylight and privacy angles on the drawings. This applies to your Roche South address specifically.

How long does Rochford District Council take to decide an extension application?

A householder planning application in Roche South runs to a statutory eight-week target, a larger-home prior-approval notification to around six weeks including the neighbour-consultation period, and a lawful development certificate to eight weeks. Incomplete submissions stall at validation, so we submit a complete pack and manage officer queries to keep the decision on schedule. Rochford District Council is the decision-maker.

Will my extension in Roche South need building regulations approval as well as planning?

Yes — planning permission and building regulations are separate consents, and almost every extension needs both. Planning governs whether you can build it; building control governs how it is built, covering structure, insulation, drainage and fire safety. We prepare the building-regulations drawings alongside the planning set so Rochford District Council's building control or an approved inspector can sign the work off. This applies to your Roche South address specifically.

How much do extension plans in Roche South cost?

Every house and brief is different, so we price each Roche South extension individually and send a fixed, no-obligation quote back within one working day. It covers the full drawing pack with free revisions until Rochford District Council approves, and we tell you upfront whether your extension qualifies as permitted development. Call 020 7864 7245 to get started.

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