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Wraparound extension plans in Hammersmith and Fulham — an L-shaped open-plan ground floor combining a rear extension and a side return
Hammersmith and Fulham · Wraparound Extension Drawings & Planning

Wraparound extension plans in Hammersmith and Fulham

L-shaped wraparound drawings for Hammersmith and Fulham — a full-width rear extension married to the side-return infill so the whole ground floor opens up, drawn to Hammersmith & Fulham Council's guidance, delivered in days and revised free until your decision, with a free approval-odds check first.

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Householder planning in Hammersmith and Fulham — the record

Hammersmith & Fulham Council granted 87% of the householder planning decisions it made in its latest published year — level with the 87% England-wide householder average. Basement schemes require a detailed basement impact assessment covering ground stability, flooding and construction management, which is where a policy-literate drawing pack earns its keep. Its dominant Victorian (1837–1901) and Edwardian (1901–1910) housing stock sets the design brief on most streets.

The permitted-development ceilings are fixed: 40m³ of new roof volume for a terraced loft and 50m³ for a semi or detached house under Class B, plus a 3m single-storey rear extension on a terrace or 4m on a detached house under Class A. Hammersmith and Fulham carries at least one Article 4 direction, and conservation areas including Brackenbury, Bradmore and Peterborough Estate remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in Hammersmith and Fulham is determined against an 8-week statutory target.

Hammersmith (Victorian terraces around the Brackenbury village grid), Fulham (the Peterborough Estate 'Lion' houses and Hurlingham mansion flats), Shepherd's Bush (dense Victorian terraces, much of it split into flats), Brook Green (Edwardian terraces interspersed with mansion blocks), Parsons Green (Victorian terraces gathered around the green) and Sands End (former industrial land now mixing terraces with new housing) — these are the Hammersmith and Fulham pockets our drawings cover most. Heritage designations here include Brackenbury, Bradmore, Peterborough Estate, Ravenscourt and Wendell Park. Hammersmith & Fulham Council weighs each proposal against Hammersmith and Fulham Local Plan and the Planning Guidance SPD, where with terraces packed tightly, mansard and side-return proposals turn on protecting a consistent roofline and rear amenity. Converted flats dominate large parts of Shepherd's Bush and Fulham, and none carry householder permitted-development rights.. On roofs the borough is London butterfly roofs concealed behind the terrace parapets and back-addition closet-wing roofs that shape side-return schemes, over Victorian and Edwardian terraces, purpose-built mansion flats and converted period flats.

Wraparound extensions drawn for Hammersmith and Fulham homes

A wraparound is the ambitious ground-floor move, and Hammersmith and Fulham has the stock that suits it — the borough is built largely from Victorian and Edwardian terraces, purpose-built mansion flats and converted period flats, 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. Hammersmith & Fulham Council assesses the scheme against Hammersmith and Fulham Local Plan and the Planning Guidance 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. Basement schemes require a detailed basement impact assessment covering ground stability, flooding and construction management, which on a footprint this size is where a scheme is won or lost.

Where Hammersmith and Fulham's streets sit in conservation areas — Brackenbury, Bradmore, Peterborough Estate, Ravenscourt and Wendell Park among them — a wraparound is never permitted development and the design is read against the area's character. Conservation areas blanket much of the borough — Brackenbury, Bradmore and the Fulham Peterborough Estate among them — and Article 4 directions there remove permitted-development rights on frontages and roofs. We settle the designation before the footprint is fixed.

Isometric L-shaped wraparound extension drawing for a Hammersmith and Fulham house

Does a wraparound extension need planning permission in Hammersmith and Fulham?

A wraparound in Hammersmith and Fulham 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 Hammersmith & Fulham Council if any of these apply — and for a true wraparound, at least one always will:

  • You are combining a side-return infill with a rear extension — the defining shape of a wraparound removes permitted-development cover
  • The rear leg projects beyond 3 metres on a terrace or 4 metres on a semi or detached house (6 or 8 metres via the larger-home prior-approval route)
  • The side leg is wider than half the width of the original house, or higher than 4 metres
  • The house is on designated land — wraparounds are not permitted development in conservation areas such as Brackenbury and Bradmore
  • An Article 4 direction covers your street — Hammersmith and Fulham operates several, so this is confirmed at the outset
  • The property is a converted flat or maisonette — permitted-development rights apply only to houses

Hammersmith and Fulham wraparound approval rates — live from council data

Below is Hammersmith & Fulham Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Hammersmith and Fulham grants a high share of householder applications, though tight terrace density and basement engineering are the constraints that shape most designs. 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.

87%householder applications approved in Hammersmith and Fulham
87%national average — Hammersmith and Fulham is in line with the national average

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What wraparound extensions get approved in Hammersmith and Fulham

Across Hammersmith, Fulham and Shepherd's Bush, 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 and edwardian terraces, this is the biggest transformation the ground floor can take in a single application.

With terraces packed tightly, mansard and side-return proposals turn on protecting a consistent roofline and rear amenity. 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 Hammersmith & Fulham Council than a side return and a rear extension submitted as separate, overlapping proposals.

Wraparound extension retaining garden depth at the rear of a Hammersmith and Fulham house

Wraparound extensions across Hammersmith and Fulham

We draw L-shaped wraparounds on the terraced and semi-detached streets across the borough. A few of the neighbourhoods where Hammersmith and Fulham wraparounds come up most often:

Hammersmith

Wraparound extension drawings for Hammersmith's Victorian terraces around the Brackenbury village grid — garden-checked, boundary-detailed and drawn to Hammersmith & Fulham Council's guidance.

Fulham

Wraparound extension drawings for Fulham's the Peterborough Estate 'Lion' houses and Hurlingham mansion flats — garden-checked, boundary-detailed and drawn to Hammersmith & Fulham Council's guidance.

Shepherd's Bush

Wraparound extension drawings for Shepherd's Bush's dense Victorian terraces, much of it split into flats — garden-checked, boundary-detailed and drawn to Hammersmith & Fulham Council's guidance.

Brook Green

Wraparound extension drawings for Brook Green's Edwardian terraces interspersed with mansion blocks — garden-checked, boundary-detailed and drawn to Hammersmith & Fulham Council's guidance.

Parsons Green

Wraparound extension drawings for Parsons Green's Victorian terraces gathered around the green — garden-checked, boundary-detailed and drawn to Hammersmith & Fulham Council's guidance.

Sands End

Wraparound extension drawings for Sands End's former industrial land now mixing terraces with new housing — garden-checked, boundary-detailed and drawn to Hammersmith & Fulham Council's guidance.

How does a Hammersmith and Fulham wraparound compare to its separate parts?

A wraparound is the two smaller extensions combined — which changes what Hammersmith & Fulham Council needs and what the ground floor gains. This is how the options compare.

Ground-floor optionPermitted development?What it gainsWhat Hammersmith & Fulham Council checks
Side return onlySometimes, within width and height limitsFull-width kitchenWidth, roof glazing
Rear extension onlyOften, within the depth limitDeeper living spaceRear depth, neighbour daylight
Wraparound (side + rear)No — full applicationLargest open-plan ground floorCombined footprint, garden retained
Two-storey wraparoundNo — full applicationRoom above as well as belowBulk, overlooking, two boundaries

In conservation areas such as Brackenbury and Bradmore, a wraparound is never permitted development and always needs a full application.

Four steps to an approved Hammersmith and Fulham wraparound

A fixed process built around how Hammersmith & Fulham Council validates and decides wraparound applications — most drawings are submission-ready within seven days of survey.

  1. 1

    Free approval check

    Send us your Hammersmith and Fulham 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 Hammersmith & Fulham Council decisions.

  2. 2

    Measured survey

    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.

  3. 3

    Wraparound design & drawings

    Chartered designers develop the L-shaped extension to your brief, drawn to Hammersmith & Fulham Council's extension guidance with the retained garden, rear depth and both boundary junctions detailed on the page.

  4. 4

    Submission & follow-through

    We submit the householder application, manage validation and case-officer queries, and revise the drawings free until Hammersmith & Fulham Council issues its decision.

Frequently asked questions

Does a wraparound extension need planning permission in Hammersmith and Fulham?

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 Hammersmith & Fulham Council. Only the rare, very shallow case stays within the limits. On designated land — a conservation area such as Brackenbury and Bradmore — a wraparound is never permitted development, so an application is certain. This applies to your Hammersmith and Fulham address specifically.

What is a wraparound extension on a Hammersmith and Fulham house?

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. Hammersmith and Fulham'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. Hammersmith & Fulham Council is the decision-maker.

How much garden do I have to keep for a wraparound in Hammersmith and Fulham?

Hammersmith & Fulham 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. This applies to your Hammersmith and Fulham address specifically.

Do I need a party wall agreement for a wraparound in Hammersmith and Fulham?

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 Hammersmith & Fulham 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. This applies to your Hammersmith and Fulham address specifically.

Is a wraparound cheaper than a side return and rear extension done separately in Hammersmith and Fulham?

Built as one project it usually is, and it reads better to Hammersmith & Fulham 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. This applies to your Hammersmith and Fulham address specifically.

How much do wraparound extension plans in Hammersmith and Fulham cost?

We price each Hammersmith and Fulham 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 Hammersmith & Fulham Council approves, and we confirm the retained-garden and boundary position at the outset. Call 020 7864 7245 to start.

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