Rear dormer drawings for Woking roofs — the box across the back slope that turns a low attic into a full-height room, drawn to Woking Borough Council's guidance and the volume limits, delivered in days and revised free until your decision, with a free approval-odds check first.
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 box dormer is the workhorse loft, and most of Woking is built for it — the borough runs to 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 under pitched gabled and hipped tiled roofs on the villas and semis and steep tile-hung and gabled roofs on the affluent detached houses, and a flat-roofed box across the rear slope is the cheapest cubic metre of full-height space those roofs give up. Woking Borough Council tests the dormer against the Woking Core Strategy (adopted 2012) and Site Allocations DPD (adopted 2021), and because permitted development turns on a number, the volume you propose against the volume you have left is the first thing an officer or a certificate checks.
That is why the arithmetic goes on the drawings. We calculate the box against the 40- or 50-cubic-metre allowance, count any earlier roof enlargement into the total, hold the flat roof below the ridge and set the face back off the eaves so the dormer reads as subordinate. Metropolitan Green Belt covers roughly three-fifths of the borough, one of the highest shares in England, forcing growth onto the urban core, so the cheeks, the window line and the material are drawn to answer it rather than invite a query.
Where Woking's streets are protected — Old Woking, Horsell, Hook Heath, Mount Hermon, St Johns and Byfleet among them — the Class B dormer right is switched off and even a modest rear box needs consent. 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. We confirm the designation before the box is sized.
Many rear dormers in Woking are permitted development, but the volume and position decide it. You will normally need a full application to Woking Borough Council if any of these apply:
We draw the box within its volume allowance, the flat roof below the ridge and the face set back off the eaves — the three things a dormer stands or falls on — and submit a validation-complete pack, whether that is a lawful development certificate or a full householder application.
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. A dormer is decided on volume and set-back, so a pack that shows the calculation and the eaves detail is cleared faster and refused less often than a DIY submission.
Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.
Tell us about your project and get a fixed, no-obligation quote back within one working day. If you don't need planning permission at all, we'll tell you that too — for free.
Across Woking town centre, Horsell and Old Woking, the dormer that goes through is the subordinate rear box: flat roof kept low, cheeks clad to recede, side windows obscure-glazed against overlooking, and the whole thing set back so the original eaves line still reads from the garden. On pitched gabled and hipped tiled roofs on the villas and semis, this returns a full-height double and en-suite from what was standing-room-only, usually inside the permitted-development volume.
Consequent town-centre densification through tall flatted schemes sits in tension with protected village character at Horsell, Old Woking and Pyrford. We keep the box off the ridge, match the cheek material to the roof, and where the volume is already spent — or the street is designated — draw the dormer as a householder application composed to Woking Borough Council's roof-alteration guidance rather than push a certificate that would be refused.
We draw rear dormers on the terraced and semi-detached streets across the borough. A few of the neighbourhoods where Woking dormers come up most often:
Dormer loft drawings for Woking town centre's dense modern flatted and commercial regeneration — volume-checked, set-back-detailed and drawn to Woking Borough Council's guidance.
Dormer loft drawings for Horsell's historic village character beside Horsell Common — volume-checked, set-back-detailed and drawn to Woking Borough Council's guidance.
Dormer loft drawings for Old Woking's the historic parish core with a conservation area — volume-checked, set-back-detailed and drawn to Woking Borough Council's guidance.
Dormer loft drawings for Hook Heath's affluent large detached houses on wooded plots — volume-checked, set-back-detailed and drawn to Woking Borough Council's guidance.
Dormer loft drawings for Knaphill's postwar and interwar suburban semis to the west — volume-checked, set-back-detailed and drawn to Woking Borough Council's guidance.
Dormer loft drawings for West Byfleet's village-character commuter settlement to the north-east — volume-checked, set-back-detailed and drawn to Woking Borough Council's guidance.
Whether a dormer in Woking needs permission comes down to where it sits and how big the box is. This is how the cases compare.
| Dormer type | Permitted development? | What it gains | What Woking Borough Council checks |
|---|---|---|---|
| Rear box, within volume | Usually yes | Full-height room across the back | Volume total, 20cm eaves set-back |
| Rear box, over volume limit | No — full application | A larger room | How far over the allowance, bulk |
| Front or side dormer | No — full application | Light to the front rooms | Visibility from the street, character |
| Dormer in a conservation area | No — full application | Same space, extra scrutiny | Roof form and street appearance |
In conservation areas such as Old Woking and Horsell, Class B dormer rights are removed and every dormer needs a full application.
A fixed process built around how Woking Borough Council validates and decides dormer applications — most drawings are submission-ready within seven days of survey.
Send us your Woking postcode and roof type. We confirm your conservation and Article 4 status, work out how much permitted-development volume you have left, and score your odds against live Woking Borough Council decisions.
We measure ridge and eaves heights, roof pitch and the existing loft floor — the numbers the volume calculation, the set-back and the head heights depend on.
Chartered designers develop the box to your brief, drawn inside the Class B volume limits or, where those are exhausted or removed, to Woking Borough Council's roof-alteration guidance.
We submit the certificate or application, manage validation and case-officer queries, and revise the drawings free until Woking Borough Council issues its decision.
Often not. A rear box dormer within 40 cubic metres on a terrace, or 50 on a semi or detached house, set back at least 20 centimetres from the eaves and kept below the ridge, is usually permitted development. In Woking you will need a full application to Woking Borough Council for a front or side dormer, a box that exceeds the volume, and any dormer in a conservation area such as Old Woking and Horsell, where those rights are removed.
The permitted-development limit is a volume, not a footprint: 40 cubic metres of added roof space on a terraced house and 50 on a semi-detached or detached one, and any earlier loft enlargement counts against that total. In Woking the box must also sit below the ridge and back from the eaves. We measure your roof and calculate the exact volume you have left before drawing. Woking Borough Council is the decision-maker.
Not under permitted development. A dormer on the front roof slope, or one facing a highway, always needs a full application to Woking Borough Council, because it changes how the house reads from the street. Rear box dormers are far more likely to be approved — or to be permitted development outright — which is why almost every Woking dormer we draw sits on the back slope.
Often, on a terrace or semi. If the dormer or the loft steelwork meets the party wall with your neighbour, the Party Wall etc. Act applies and notice must be served before work starts — separately from Woking Borough Council's planning decision. We flag the party-wall junction on the drawings so a surveyor can be appointed early and the build is not held up.
If your dormer is permitted development, a lawful development certificate from Woking Borough Council is council-stamped proof of it — worth holding, because a buyer's solicitor will ask for it when you sell. We prepare and submit the certificate with the same measured drawing pack that shows the box within its volume allowance.
We price each Woking dormer individually, because the roof pitch and the volume left vary house to house, and send a fixed, no-obligation quote within one working day. It covers the full drawing pack with free revisions until Woking Borough Council approves, and we confirm at the outset whether your box is permitted development or needs an application. Call 020 7864 7245 to start.
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