L-shaped wraparound drawings for Lewisham — a full-width rear extension married to the side-return infill so the whole ground floor opens up, drawn to Lewisham Council's guidance, delivered in days and revised free until your decision, with a free approval-odds check first.
Lewisham Council granted 90% of the householder planning decisions it made in its latest published year — 3 points above the 87% England-wide householder average. Policies resist the loss of family-sized houses, so conversions to flats face an added hurdle, which is where a policy-literate drawing pack earns its keep. Its dominant Georgian (1714–1837), Victorian (1837–1901) and Edwardian (1901–1910) housing stock sets the design brief on most streets.
Under Class B, a rear dormer stays permitted development up to 40m³ of added roof volume on a terrace or 50m³ on a semi-detached or detached house, while Class A allows a single-storey rear extension of 3m beyond the original rear wall on a terrace and 4m on a detached house before a full application is needed. Lewisham carries at least one Article 4 direction, and conservation areas including Blackheath, Telegraph Hill and Brockley remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in Lewisham is determined against an 8-week statutory target.
Blackheath (grand villas and terraces on the Lewisham side of the heath), Brockley (long Victorian terraces within one of London's largest conservation areas), Telegraph Hill (hilly Victorian terraces framing the two parks), Deptford (Georgian survivals like Albury Street amid dense terraced streets), Forest Hill (Victorian villas and terraces stepping up the slopes) and Sydenham (Victorian terraces and semis toward the Crystal Palace ridge) — these are the Lewisham pockets our drawings cover most. Heritage designations here include Blackheath, Telegraph Hill, Brockley, Deptford High Street and Sydenham. Lewisham Council weighs each proposal against the Lewisham Local Plan and the borough's Alterations and Extensions SPD, where in the Brockley and Telegraph Hill conservation areas original slate roofs and front elevations are closely guarded. Brockley, Forest Hill and Deptford hold large numbers of houses long ago converted into flats and maisonettes, which carry no householder permitted-development rights.. On roofs the borough is London butterfly roofs on the Victorian terraces and gabled roofs on the villas, over Victorian terraces, Victorian and Edwardian villas and converted flats and maisonettes.
A wraparound is the ambitious ground-floor move, and Lewisham has the stock that suits it — the borough is built largely from Victorian terraces, Victorian and Edwardian villas and converted flats and maisonettes, and the terraces and semis with an L-shaped back addition give you both a side alley to infill and a rear garden to project into. Do both in one L-shaped sweep and the kitchen, dining and living space merge into a single room that runs the full width of the house and out into the garden. Lewisham Council assesses the scheme against the Lewisham Local Plan and the borough's Alterations and Extensions SPD, and because the footprint is large it looks hardest at what survives of the garden.
The drawings carry the argument. We show the retained private amenity space to scale, prove the rear projection sits within the depth the council accepts for the house type, and set the side leg so it clears the boundary and keeps the neighbour's daylight — a wraparound touches two boundaries, not one, so both neighbour relationships are drawn out. Policies resist the loss of family-sized houses, so conversions to flats face an added hurdle, which on a footprint this size is where a scheme is won or lost.
Where Lewisham's streets sit in conservation areas — Blackheath, Telegraph Hill, Brockley, Deptford High Street and Sydenham among them — a wraparound is never permitted development and the design is read against the area's character. Lewisham operates Article 4 directions in conservation areas such as Brockley alongside controls resisting the conversion of family houses into flats, so works that are permitted development elsewhere routinely need an application here. We settle the designation before the footprint is fixed.
A wraparound in Lewisham almost always needs a full householder application, because joining a side infill to a deep rear extension takes it past permitted-development limits. You will need to apply to Lewisham Council if any of these apply — and for a true wraparound, at least one always will:
We draw the L-shaped footprint against the retained garden, the rear depth within the council's limit for your house type and the two neighbour boundaries the side and rear legs touch — the things Lewisham Council's officers and both neighbours check — then submit a validation-complete householder application.
Below is Lewisham Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Lewisham grants the large majority of householder applications, though its policy shielding family houses from conversion and its Victorian conservation areas shape roof and rear works street by street. A wraparound stands or falls on the garden it leaves and the two boundaries it meets, so a pack that settles both upfront is decided faster and refused less often than a DIY submission.
Source: MHCLG planning application statistics (householder decisions, rolling year). 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 Blackheath, Brockley and Telegraph Hill, the approved wraparound is a single-storey L that reads as one considered addition rather than two bolted together: the rear leg kept to the depth the council accepts, the side leg matched to the host brick and roofed with a glazed flat or lantern, and enough garden left to satisfy the borough's private-amenity expectation. On the borough's victorian terraces, this is the biggest transformation the ground floor can take in a single application.
In the Brockley and Telegraph Hill conservation areas original slate roofs and front elevations are closely guarded. We size the footprint so the garden that remains still works, keep the eaves and roof low enough to protect both neighbours' light, and present the whole L as a single scheme — which reads far more clearly to Lewisham Council than a side return and a rear extension submitted as separate, overlapping proposals.
We draw L-shaped wraparounds on the terraced and semi-detached streets across the borough. A few of the neighbourhoods where Lewisham wraparounds come up most often:
Wraparound extension drawings for Blackheath's grand villas and terraces on the Lewisham side of the heath — garden-checked, boundary-detailed and drawn to Lewisham Council's guidance.
Wraparound extension drawings for Brockley's long Victorian terraces within one of London's largest conservation areas — garden-checked, boundary-detailed and drawn to Lewisham Council's guidance.
Wraparound extension drawings for Telegraph Hill's hilly Victorian terraces framing the two parks — garden-checked, boundary-detailed and drawn to Lewisham Council's guidance.
Wraparound extension drawings for Deptford's Georgian survivals like Albury Street amid dense terraced streets — garden-checked, boundary-detailed and drawn to Lewisham Council's guidance.
Wraparound extension drawings for Forest Hill's Victorian villas and terraces stepping up the slopes — garden-checked, boundary-detailed and drawn to Lewisham Council's guidance.
Wraparound extension drawings for Sydenham's Victorian terraces and semis toward the Crystal Palace ridge — garden-checked, boundary-detailed and drawn to Lewisham Council's guidance.
A wraparound is the two smaller extensions combined — which changes what Lewisham Council needs and what the ground floor gains. This is how the options compare.
| Ground-floor option | Permitted development? | What it gains | What Lewisham Council checks |
|---|---|---|---|
| Side return only | Sometimes, within width and height limits | Full-width kitchen | Width, roof glazing |
| Rear extension only | Often, within the depth limit | Deeper living space | Rear depth, neighbour daylight |
| Wraparound (side + rear) | No — full application | Largest open-plan ground floor | Combined footprint, garden retained |
| Two-storey wraparound | No — full application | Room above as well as below | Bulk, overlooking, two boundaries |
In conservation areas such as Blackheath and Telegraph Hill, a wraparound is never permitted development and always needs a full application.
A fixed process built around how Lewisham Council validates and decides wraparound applications — most drawings are submission-ready within seven days of survey.
Send us your Lewisham postcode and house type. We confirm your conservation and Article 4 status, measure the garden against the borough's amenity expectation, and score your odds against live Lewisham Council decisions.
We measure the side alley, the rear building line, the garden depth and both neighbours' window heights — the numbers the footprint, rear depth and two-boundary daylight tests depend on.
Chartered designers develop the L-shaped extension to your brief, drawn to Lewisham Council's extension guidance with the retained garden, rear depth and both boundary junctions detailed on the page.
We submit the householder application, manage validation and case-officer queries, and revise the drawings free until Lewisham Council issues its decision.
Almost always. A wraparound joins a side-return infill to a rear extension, and that combination takes the footprint past what permitted development allows, so it needs a full householder application to Lewisham Council. Only the rare, very shallow case stays within the limits. On designated land — a conservation area such as Blackheath and Telegraph Hill — a wraparound is never permitted development, so an application is certain.
It is an L-shaped extension that fills the side return and wraps around into a full-width rear extension in one continuous sweep, so the kitchen, dining and living space become a single open room the width of the house. Lewisham's period terraces and semis with an L-shaped back addition suit it well, which is why the wraparound is the borough's biggest single-storey extension. Lewisham Council is the decision-maker.
Lewisham Council expects a usable amount of private garden to survive, because a wraparound is the deepest single-storey footprint and takes the most outdoor space. There is no single fixed figure — it is judged on the plot and the borough's amenity guidance — so we draw the retained garden to scale and size the extension around it, rather than maximising the build and hoping it passes.
Usually on both sides. A wraparound touches two boundaries — the side leg runs along one neighbour and the rear leg can affect the other — so the Party Wall etc. Act often applies to each, and notice must be served before work starts. This is separate from Lewisham Council's planning decision. We detail both boundary junctions on the drawings and flag the notices early so surveyors can be appointed without delaying the build.
Built as one project it usually is, and it reads better to Lewisham Council too. A single wraparound application covers the whole L-shaped footprint in one decision rather than two overlapping submissions, and the build shares one set of foundations, one roof and one disruption. We draw it as a single coherent scheme so the council assesses one clear proposal instead of piecing two together.
We price each Lewisham wraparound individually, because garden depth, side-alley width and roof form 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 Lewisham Council approves, and we confirm the retained-garden and boundary position at the outset. Call 020 7864 7245 to start.
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