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Free 2026 London Planning Report — Rear Extension Drawings in Wood Green N22

Rear extension drawings for a Victorian terrace in Wood Green N22, London Borough of Haringey
Wood Green · N22 · Haringey

Rear Extension Drawings in Wood Green N22

Fixed-fee, MCIAT-chartered rear extension drawings for Wood Green (N22) homeowners — London Borough of Haringey validation and local constraints handled from the start.

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Wood Green (N22) carries four conservation areas in one postcode district — Noel Park, Bowes Park, Trinity Gardens and Wood Green Common — which is unusual, and it changes how a project here starts. The defining one is Noel Park: a planned late-Victorian model estate of uniform cottages, built as a single designed scheme rather than accreted street by street.

That matters practically. On a model estate the whole point of the designation is the uniformity, so Haringey assesses even modest elevation and roof changes in Noel Park against the estate's original pattern, and the narrow estate plots limit rear extension depth in any case. Outside the estate, the Bowes Park, Trinity Gardens and Wood Green Common conservation areas cover distinct historic pockets with their own character, while the wider late-Victorian and interwar streets are more conventional. We identify which of the four conservation areas — if any — an N22 address falls in before drawing to Haringey's residential guidance.

Rear extension drawings for a Victorian terrace in Wood Green N22, London Borough of Haringey
Isometric illustration of a Wood Green N22 home rear extension drawings design
Proposed floor plan
Wood Green N22

Planning in Wood Green (N22): what to know before you apply

N22 has no householder Article 4 direction, so many Wood Green houses retain permitted development rights for rear and loft work — but four conservation areas cover the district, and the Noel Park model estate is the strictest: because it was built as one uniform planned scheme, elevation and roof changes are judged against the original estate pattern, and the narrow plots limit rear depth regardless. Bowes Park, Trinity Gardens and Wood Green Common each control their own historic pocket.

Typical Wood Green housing stock

Late-Victorian terraces including the Noel Park model estate's distinctive planned cottages, with Edwardian and interwar housing toward Bowes Park and the Common.

Streets we regularly draw for in Wood Green

Wood Green High Road · Lordship Lane · Gladstone Avenue · Westbury Avenue

Rear Extension Drawings for Wood Green (N22) homes: the package and the process

Every rear extension drawings we prepare for an Wood Green property is drawn to London Borough of Haringey’s validation standards and tuned to the N22 constraints above. Here is what the drawing package covers and how the process runs from first survey to approval.

A single-storey rear extension is the most common way London homeowners add space, usually taking the form of an open-plan kitchen-diner that opens onto the garden through bi-fold or sliding doors, with rooflights or a roof lantern bringing daylight deep into the plan. Because depth and height are tightly controlled by permitted development rules and by the 45-degree rule that protects neighbouring windows, the design work sits as much in checking what the council will allow as in drawing what you want.

DrawingsDirect draws rear extensions for permitted development, the larger home extension prior-approval scheme and full householder planning, with structural calculations for the opening and roof produced in-house by our MCIAT-chartered team. If your project also involves widening the kitchen sideways or adding a second storey, see our Side Return, Wraparound and Double Storey Extension pages — many London rear extensions grow into one of those during design.

Do I need planning permission for a rear extension in London?

Many single-storey rear extensions qualify as permitted development, meaning no planning application is needed, provided depth, height and materials stay within set limits. That changes if your property sits in a conservation area or is subject to an Article 4 direction, both of which can remove permitted development rights across a street or borough — in that case a full householder planning application is required regardless of size.

Even where an extension qualifies, most homeowners obtain a Lawful Development Certificate to confirm that status in writing before building — useful for mortgage lenders, buyers and Building Control. We check your property against your borough's constraints before recommending a route.

How deep can a single-storey rear extension go?

Depth is the main constraint on a rear extension, and it depends on your house type and whether you use standard permitted development or the larger home extension scheme.

Permitted development

Standard permitted development allows a single-storey rear extension up to 3 metres deep for terraced and semi-detached houses, or 4 metres for detached houses, generally with eaves height limited to match or stay close to the existing house.

Larger home extension scheme

The prior-approval scheme extends this to 6 metres for terraced and semi-detached houses and 8 metres for detached houses. Your council writes to affected neighbours; if none object within the notification period, approval follows without a full planning application. If an objection is raised, the council assesses the impact on neighbouring light and outlook itself, rather than automatically refusing, so a well-considered design still has a good chance of approval.

Rear extension routes at a glance
RouteWhen it appliesTypical fee
Permitted development (Lawful Development Certificate)Depth within 3m (terraced/semi) or 4m (detached), height and materials within PD limitsPD/LDC pack ~£950–£1,450
Larger home extension (prior approval)Depth up to 6m (terraced/semi) or 8m (detached), with neighbour notificationfrom £1,100
Full householder planning permissionExtension exceeds PD/larger-home limits, or the property is in a conservation area with an Article 4 directionFull Planning pack ~£1,600–£2,400
Planning + Building Regulations (structural)Combined planning and construction-ready pack with structural calculations for the opening and roofPlanning + Building Regs pack ~£2,200–£3,850

Also in Wood Green N22

Planning PermissionPlanning DrawingsArchitectural DrawingsBuilding Regulations DrawingsLoft Conversion DrawingsRear Extension Drawings across HaringeyRear Extension Drawings across London
FAQ

Rear Extension Drawings in Wood Green N22 — FAQs

How much does a rear extension cost to design in London?+
Rear extension drawings start from £1,100, with the final fee set by the route your extension takes — permitted development, prior approval or full planning — and whether you need building regulations and structural calculations bundled in. The fee is fixed and agreed upfront.
Do I need an architect for a rear extension?+
No. DrawingsDirect is an MCIAT-chartered architectural technologist practice, producing the same council-accepted drawings as an architect for a fixed fee typically around 30% lower.
How long does it take to get rear extension drawings?+
Drawings are typically ready around 7 days from survey. Once submitted, councils have a statutory 8-week period to determine a standard householder planning application.
What is the 45-degree rule?+
It is a daylight test many London councils apply to check that a rear extension does not block too much light to a neighbour's nearest window, measured as a line drawn at 45 degrees from that window. We check it before submission, not after a refusal.
Will I need a Party Wall Agreement for a rear extension?+
Only if your foundations or new walls sit on or near the boundary with a neighbouring property. A straightforward rear extension set within your own plot often does not trigger the Party Wall etc. Act 1996, unlike a Side Return or Wraparound extension, which usually does.
Do I need planning permission for a loft conversion in Haringey?+
On the Edwardian terraces of the Harringay Ladder and the streets of Crouch End, hip-to-gable and dormer lofts frequently qualify as permitted development within the volume limits, so a full application isn't always needed. Conservation areas — Highgate, Crouch End and Muswell Hill in particular — restrict this. We check your street first and can confirm permitted development with a Lawful Development Certificate.
Will protected views toward Alexandra Palace affect my project?+
They can for roof-level proposals. Haringey protects views toward Alexandra Palace and across the borough's hills, so a dormer or roof extension on a prominent site may be assessed against that setting. We check whether your address falls within a protected view and design the roof form to respect it, which keeps the application on track.
What does Haringey expect on the Harringay Ladder?+
The Ladder has a consistent Edwardian terrace character the council expects extensions and lofts to respect — matching the building line, roofline and materials of the street. We design to that established pattern rather than imposing a standard template, which is what carries applications to consent on these streets.
How long does Haringey Council take to decide?+
Haringey determines most householder applications within the statutory eight-week period once validated; Highgate, Crouch End and Muswell Hill conservation cases can involve additional consultation. We prepare submissions to the council's validation checklist to avoid the drawing queries that cause most delays.
How much do planning drawings cost in Haringey?+
We agree a fixed fee before starting, usually around 30% below an architect's fee for the same council-accepted drawings, with free redraws until Haringey approves. A Harringay Ladder loft and a Highgate conservation application differ in the evidence required, so we quote once we understand your street and project rather than by the hour.
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