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Two storey extension plans in Woking — a two-storey rear addition to a family house
Woking · Two Storey Extension Drawings

Two storey extension plans in Woking

Two-storey extension drawings for Woking homes — bedroom above, living space below, drawn against the 3-metre projection and 7-metre boundary rules and to Woking Borough Council's design guidance, delivered in days and revised free until your decision.

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Woking planning decisions and design rules

Woking Borough Council granted 87% of the householder planning decisions it made in its latest published year — level with the 87% England-wide householder average. Metropolitan Green Belt covers roughly three-fifths of the borough, one of the highest shares in England, forcing growth onto the urban core, which is where a policy-literate drawing pack earns its keep. Its dominant Victorian (1837–1901), Edwardian (1901–1910), 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. Woking carries at least one Article 4 direction, and conservation areas including Old Woking, Horsell and Hook Heath remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in Woking is determined against an 8-week statutory target.

Woking town centre (dense modern flatted and commercial regeneration), Horsell (historic village character beside Horsell Common), Old Woking (the historic parish core with a conservation area), Hook Heath (affluent large detached houses on wooded plots), Knaphill (postwar and interwar suburban semis to the west) and West Byfleet (village-character commuter settlement to the north-east) — these are the Woking pockets our drawings cover most. Heritage designations here include Old Woking, Horsell, Hook Heath, Mount Hermon, St Johns and Byfleet. Woking Borough Council weighs each proposal against the Woking Core Strategy (adopted 2012) and Site Allocations DPD (adopted 2021), where consequent town-centre densification through tall flatted schemes sits in tension with protected village character at Horsell, Old Woking and Pyrford. Converted and purpose-built flats are common and growing, heavily concentrated in the town centre, and hold no householder permitted-development rights.. On roofs the borough is pitched gabled and hipped tiled roofs on the villas and semis and steep tile-hung and gabled roofs on the affluent detached houses, over Victorian and Edwardian villas around Woking, Horsell and Maybury built after the 1838 railway, large detached stockbroker-belt houses on wooded plots at Hook Heath and Pyrford, interwar and postwar semi-detached and terraced commuter suburbia and high-density modern flats in the town centre.

The three tests a Woking two-storey extension has to pass

Adding at first floor changes the question the case officer asks. A single-storey extension is judged mostly on daylight and garden loss; a two-storey extension is judged on overlooking, bulk against the neighbouring roofline, and whether it reads as part of the house or bolted onto it. Woking is largely Victorian and Edwardian villas around Woking, Horsell and Maybury built after the 1838 railway, large detached stockbroker-belt houses on wooded plots at Hook Heath and Pyrford, interwar and postwar semi-detached and terraced commuter suburbia and high-density modern flats in the town centre, and pitched gabled and hipped tiled roofs on the villas and semis and steep tile-hung and gabled roofs on the affluent detached houses set what a matching roof actually means here.

The permitted-development route exists but is narrow: 3 metres of rear projection, a 7-metre stand-off from the rear boundary, eaves and ridge no higher than the original, and side-facing upper windows obscure-glazed and non-opening below 1.7 metres above floor level. Most two-storey schemes fail one of those, usually the 7-metre boundary rule on a shorter garden, and go in as a full application instead. We establish which route applies before designing, because it changes the drawing set.

Metropolitan Green Belt covers roughly three-fifths of the borough, one of the highest shares in England, forcing growth onto the urban core. Woking uses Article 4(2) directions within its conservation areas to remove specified permitted-development rights, so minor alterations to houses in areas such as Old Woking and Mount Hermon need planning consent.

Isometric two storey extension drawing for a Woking house

Does a two storey extension need planning permission in Woking?

Some two-storey rear extensions are permitted development. You will need a full application to Woking Borough Council if any of these apply:

  • The extension projects more than 3 metres beyond the original rear wall
  • Any part comes within 7 metres of the rear boundary
  • The eaves or ridge would sit higher than the existing house
  • The extension is to the side, or wraps around to the side at first floor
  • Upper-floor side windows are clear-glazed or open below 1.7 metres
  • The property is on designated land such as Old Woking and Horsell, where two-storey rights are removed
  • An Article 4 direction applies to your street — always checked first in Woking
  • The property is a flat or maisonette — householder rights apply only to houses

Woking two-storey extension approval rates — live council data

Below is Woking Borough Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Woking is among the more restrictive commuter authorities, with dominant Green Belt and heathland designations the reason its countryside grant rate runs below the national average even as urban householder work fares better. Two-storey schemes attract more neighbour comment than any other householder work, so the overlooking and daylight case has to be made on the drawings.

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

84%householder applications approved in Woking
87%national average — Woking is 3 points below the national average

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What two-storey extensions get approved in Woking

Across Woking town centre, Horsell and Old Woking, the schemes that succeed set the first floor back from the ground floor, keep the ridge below the original, and treat the flank wall as blank or obscure-glazed. On victorian and edwardian villas around woking, horsell and maybury built after the 1838 railway, matching the eaves line matters more than matching the brick: an extension that carries the existing eaves through reads as original even in a different material.

Consequent town-centre densification through tall flatted schemes sits in tension with protected village character at Horsell, Old Woking and Pyrford. We draw the 45-degree daylight test from the neighbour's nearest habitable window, show the window positions in section, and set out the steel and foundation implications early — a two-storey extension changes the load path, so the structural design and the planning design have to be developed together rather than in sequence.

Ground floor created by a two storey extension in Woking

Two-storey extensions across Woking

We draw two-storey extensions across Woking. A few of the areas where they come up most often:

Woking town centre

Two storey extension drawings for Woking town centre — dense modern flatted and commercial regeneration — dimensioned against the 3m and 7m limits and drawn to Woking Borough Council's guidance.

Horsell

Two storey extension drawings for Horsell — historic village character beside Horsell Common — dimensioned against the 3m and 7m limits and drawn to Woking Borough Council's guidance.

Old Woking

Two storey extension drawings for Old Woking — the historic parish core with a conservation area — dimensioned against the 3m and 7m limits and drawn to Woking Borough Council's guidance.

Hook Heath

Two storey extension drawings for Hook Heath — affluent large detached houses on wooded plots — dimensioned against the 3m and 7m limits and drawn to Woking Borough Council's guidance.

Knaphill

Two storey extension drawings for Knaphill — postwar and interwar suburban semis to the west — dimensioned against the 3m and 7m limits and drawn to Woking Borough Council's guidance.

West Byfleet

Two storey extension drawings for West Byfleet — village-character commuter settlement to the north-east — dimensioned against the 3m and 7m limits and drawn to Woking Borough Council's guidance.

Which two-storey extensions are permitted development in Woking?

The first-floor limits are tighter than the ground-floor ones. This is how the common cases compare.

SchemePermitted development?Deciding limitWhat Woking Borough Council checks
Two-storey rear, 3m projection, 7m+ to boundaryOften yes3m projection / 7m boundaryRoof match, side-window glazing
Two-storey rear, under 7m to boundaryNo — full applicationRear-boundary distanceOverlooking, daylight, garden loss
Two-storey side extensionNo — full applicationSide elevationGap to boundary, street rhythm
Two-storey wraparoundNo — full applicationCombined footprintBulk, massing, neighbour amenity
Any two-storey on designated landNo — full applicationDesignationCharacter and appearance

Limits from the GPDO 2015, Schedule 2, Part 1, Class A — two-storey rear extension conditions.

Four steps to an approved Woking two-storey extension

A fixed process built around how Woking Borough Council validates and decides two-storey applications.

  1. 1

    Free approval check

    Send us your Woking postcode and garden depth. We measure the 7-metre boundary rule against your plot, confirm designation status, and score your odds against live Woking Borough Council decisions.

  2. 2

    Measured survey

    We measure the original rear wall, eaves and ridge heights, garden depth and every neighbouring window that faces the site — the inputs the daylight and overlooking case is built from.

  3. 3

    Design, drawings & structure

    Chartered designers develop the two-storey addition to your brief with the roof and eaves resolved, and we coordinate the load path so the structural scheme and the planning scheme are the same building.

  4. 4

    Submission & follow-through

    We submit the application, manage validation and case-officer queries, and revise the drawings free until Woking Borough Council issues its decision.

Frequently asked questions

Do I need planning permission for a two storey extension in Woking?

Often, but not always. A two-storey rear extension can be permitted development if it projects no more than 3 metres, sits at least 7 metres from the rear boundary, does not exceed the existing eaves and ridge, and has obscure-glazed non-opening side windows below 1.7 metres. In Woking, the 7-metre rule is what most commonly forces a full application to Woking Borough Council.

What is the 7 metre rule for two storey extensions in Woking?

No part of a permitted-development two-storey rear extension may come within 7 metres of the boundary opposite the rear wall of the house. It exists to protect the neighbour behind you from being overlooked at first floor. On shorter Woking gardens this is decisive, and we measure it on survey before any design work rather than discovering it at validation. Woking Borough Council is the decision-maker.

Can I build a two storey side extension in Woking?

Not under permitted development — two-storey side extensions always need a full application to Woking Borough Council. They are assessed on the gap to the boundary, whether the street's rhythm of spaces between houses survives, and whether the extension is subordinate to the original. Setting the first floor back from the front building line and down from the ridge is what usually makes the difference.

Will a two storey extension in Woking be refused for overlooking?

Overlooking is the most common objection, and it is answerable on the drawings. We position habitable-room windows away from neighbouring gardens, obscure-glaze and fix shut anything on the flank below 1.7 metres, and show the sight lines in section. Where the geometry is tight, a rooflight or a high-level window gives the same daylight without the mutual overlooking that draws objections. This applies to your Woking address specifically. Woking Borough Council is the decision-maker.

Do I need a party wall agreement for a two storey extension in Woking?

Almost certainly. Excavating within 3 metres of a neighbouring structure and building on or up to the boundary both trigger the Party Wall etc. Act 1996, and a two-storey extension usually does both. It is entirely separate from Woking Borough Council's planning decision, so we flag the notice period early and detail the junction on the drawings.

Does a two storey extension need structural calculations in Woking?

Yes. Adding a floor changes the load path from roof to foundation, so beams, padstones and foundation depths all need designing and calculating for building control. Planning and building regulations are separate consents, and the structural set is what building control assesses — we prepare both so the approved scheme is the buildable one. This applies to your Woking address specifically. Woking Borough Council is the decision-maker.

How much do two storey extension plans in Woking cost?

We quote each Woking two-storey extension individually, because plot depth, roof form and structural complexity vary house to house, and send a fixed, no-obligation quote within one working day. It covers the drawing pack with free revisions until Woking Borough Council approves. Call 020 7864 7245 to start.

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