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Free 2026 London Planning ReportWraparound Extension Drawings in Woolwich SE18

Period terrace and mansion-flat conversion near the town centre in Woolwich SE18, Royal Borough of Greenwich
Woolwich · SE18 · Greenwich

Wraparound Extension Drawings in Woolwich SE18

Fixed-fee, MCIAT-chartered wraparound extension drawings for Woolwich (SE18) homeowners — Royal Borough of Greenwich validation and local constraints handled from the start.

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Woolwich (SE18) in the Royal Borough of Greenwich pairs a historic military townscape with one of London's largest riverside regeneration schemes. The Royal Arsenal, Woolwich and Woolwich Common conservation areas cover much of the older fabric, restricting permitted development and requiring consent for demolition and many external works, while the Royal Arsenal Riverside brings 21st-century apartment living to the Thames edge.

For the Georgian and Victorian terraces climbing from the town centre toward Woolwich Common, rear and loft projects are the staple, worked around the conservation-area controls and the setting of the Grade I listed Royal Artillery Barracks. Greenwich does not publish its Article 4 directions to the national register, so we confirm the status for a Woolwich address directly with the council before recommending a route.

Period terrace and mansion-flat conversion near the town centre in Woolwich SE18, Royal Borough of Greenwich
Isometric illustration of a Woolwich SE18 home wraparound extension drawings design
Proposed floor plan
Woolwich SE18

Planning in Woolwich (SE18): what to know before you apply

Much of Woolwich sits within the Royal Arsenal, Woolwich or Woolwich Common conservation areas, where demolition and many external alterations need consent and the Royal Arsenal in particular carries strict, heritage-led design guidance. Greenwich does not publish its Article 4 directions to the national register, so permitted-development status can't be confirmed from open data — we check the position for a specific address with the council and design to the borough's conservation guidance.

Typical Woolwich housing stock

Georgian and Victorian terraces on the streets rising from the town centre toward Woolwich Common, the listed military buildings of the Royal Arsenal, and 21st-century apartment blocks within the Royal Arsenal Riverside regeneration.

Streets we regularly draw for in Woolwich

Powis Street · Woolwich New Road · Sandy Hill Road · Rectory Place

Wraparound Extension Drawings for Woolwich (SE18) homes: the package and the process

Every wraparound extension drawings we prepare for an Woolwich property is drawn to Royal Borough of Greenwich’s validation standards and tuned to the SE18 constraints above. Here is what the drawing package covers and how the process runs from first survey to approval.

A wraparound extension is what happens when a rear extension and a side return are designed together rather than as two separate projects: the new build wraps around the back corner of the house, turning a galley kitchen and a small rear room into one continuous kitchen, dining and living space running the full width of the plot. It is the most ambitious single-storey option most London terraces and semi-detached houses have, and because it reshapes almost the entire ground floor, it needs careful structural and drainage planning as well as a confident planning application.

DrawingsDirect draws wraparound extensions for full planning and building regulations, with structural calculations for the L-shaped frame and any drainage diversion produced in-house by our MCIAT-chartered team, on a fixed fee. If your project is a single-storey rear addition or a side infill on its own, see our Rear Extension and Side Return Extension pages; if you also want a second storey, see Double Storey Extension Drawings.

What makes a wraparound extension different from a rear or side return alone?

A rear extension adds depth at the back of the house; a side return adds width down the alley; a wraparound does both at once, so the new floor area turns the corner of the original building rather than sitting against just one wall. The result is typically the largest open-plan space a single-storey extension can deliver, but it also means more of the original external wall is removed and more of the roof is new, which raises the structural and drainage stakes compared with either extension on its own. Homeowners who start out planning a rear extension or a side return alone often move to a wraparound once they see how little extra it costs to combine the two, since much of the groundwork, roof structure and glazing is shared between them rather than duplicated.

Do wraparound extensions need full planning permission in London?

Almost always, yes. Permitted development allowances are calculated on combined additions to the original house, and a wraparound's depth plus width together generally exceed the volume and footprint limits that apply to a rear extension or side extension considered separately. A Lawful Development Certificate route is rarely viable for a genuine wraparound.

Conservation area status and Article 4 directions, common across the terraced streets where wraparound extensions are most popular, remove permitted development rights further still, so we design every wraparound on the assumption it will go through full householder planning.

Wraparound extension planning routes
RouteWhat it coversTypical fee
Full planning permissionRequired for almost all wraparound extensions given the combined footprintFull Planning pack ~£1,600–£2,400
Planning + Building Regulations (structural)Combined pack including structural calculations for the L-shaped frame and drainage diversionPlanning + Building Regs pack ~£2,200–£3,850
Rear extension alone (comparison)Smaller single-storey addition, may qualify for permitted developmentsee Rear Extension Drawings, from £1,100
Side return alone (comparison)Widens the kitchen only, keeps garden depth unchangedsee Side Return Extension Drawings, from £1,400
FAQ

Wraparound Extension Drawings in Woolwich SE18 — FAQs

How much does a wraparound extension cost to design in London?+
Wraparound extension drawings start from £2,200, covering full planning permission and structural design for the combined frame. Adding building regulations and construction detail brings the package to the Planning + Building Regs band, up to around £3,850, fixed and agreed upfront.
Does a wraparound extension always need planning permission?+
In almost every case, yes. The combined depth and width of a rear and side return together generally exceed permitted development limits, so we design wraparound projects on the assumption a full householder planning application is needed.
Do I need an architect for a wraparound extension?+
No. DrawingsDirect is an MCIAT-chartered architectural technologist practice, producing the same council-accepted drawings and structural coordination as an architect, for a fixed fee typically around 30% lower, with one team responsible for both the rear and side return elements rather than two separately briefed designers.
Will I need a Party Wall Agreement for a wraparound extension?+
Usually, because the side return element of a wraparound typically builds against or close to the boundary with the neighbouring property. We prepare the drawings your Party Wall surveyor needs alongside the planning application, timed so the notice period runs in parallel with the council's determination rather than adding to your overall timescale.
How long does it take to get wraparound extension drawings?+
Drawings are typically ready around 7 days from survey. A householder planning application then has a statutory 8-week determination period once submitted.
Do I need planning permission for an extension in Greenwich?+
It depends on the area. The interwar and post-war suburbs toward Eltham and Kidbrooke often retain permitted development rights for rear extensions and lofts, while the historic core around West Greenwich and Blackheath sits within conservation areas where those rights are removed. We check your address against the designations first and can confirm permitted development with a Lawful Development Certificate.
How does the Maritime Greenwich World Heritage Site affect my project?+
Proposals within the World Heritage Site or its buffer zone are assessed against the setting of Maritime Greenwich, where the council protects townscape and long views toward the Royal Observatory. It doesn't rule out an extension, but roof-level and prominent works near the site need careful, context-led design. We confirm whether the setting applies to your address before drawing.
Can I extend a home in Blackheath or Westcombe Park?+
Yes, but these conservation areas carry strong design control over materials, rooflines and front elevations, and sloping sites around Blackheath and the Greenwich hills shape what works. We design context-led drawings that respond to the area's Georgian and Edwardian character and the topography, which is what carries applications to consent here.
How long does the Royal Borough of Greenwich take to decide?+
Greenwich determines most householder applications within the statutory eight-week period once validated; World Heritage Site, conservation and protected-view 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 Greenwich?+
We agree a fixed fee before starting, typically around 30% below an architect's fee for the same council-accepted drawings, with free redraws until Greenwich approves. A suburban Eltham extension and a West Greenwich heritage application differ in the evidence required, so we quote once we understand your address and project rather than by the hour.
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