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Fulham · SW6 · Loft Conversions

Loft
conversions
in Fulham, SW6

Brick house with a glass and timber rear extension facing the garden Rear extension with black-framed glazed doors opening onto a garden terrace
Updated 10 November 2026

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Fulham lofts are judged street by street: Moore Park's profile asks that existing roof lines stay undisturbed, yet one Britannia Road terrace already has mansards on all but one house. We design the roof to sit with its own terrace.

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Fulham is classic Victorian family London. In the London Borough of Hammersmith and Fulham, conservation areas protect its best Victorian streets and the riverside around Hurlingham, and it is a family-house area above all — long runs of bay-fronted Victorian terraces and Edwardian cottages. That is exactly why so much of the work here is loft conversions, adding an extra bedroom without leaving a much-loved street.

The planning check is unusually property-specific. Beyond any borough-wide rules, Hammersmith & Fulham has made Article 4 directions restricting permitted-development rights at many individual properties, especially in conservation areas, so two neighbouring houses can sit under different rules. We confirm the exact position for your address, because assuming permitted development in SW6 is a mistake.

The build has its own procedural steps. Where a conversion involves removing part of the roof structure, demolition work may need a Section 80 notice under the Building Act 1984, giving the council six weeks' notice before work starts. On roof form, and excluding VAT, a rooflight scheme and a hip-to-gable are priced differently, with the bay-fronted terraces on Hurlingham Road and Munster Road ideal candidates.

Fulham lofts: unbroken rooflines, chimneys and the mansards already built

In Moore Park, Fulham's earliest estate, the character profile is direct: existing roof lines should not be disturbed. It asks owners to keep decorative ridge tiles, finials, crestings, cast iron gutters and down pipes and the original roof covering and its pattern, and to keep chimney stacks seen from the street, with their original pots.

Streets differ, and the profile records what has already happened on each. At 51 to 65 Britannia Road every house except No. 61 now has a modern mansard roof extension, while the gault brick terrace on Avalon Road has no roof extensions at all, with chimneys and clay pots still marking the skyline. A loft on one street is judged against that street's roofs.

The borough's Planning Guidance SPD treats the front slope as the sensitive side. It says front roof extensions are likely to interrupt continuous parapet and eave lines and are generally unacceptable for typical building styles in the borough, so a Fulham loft usually grows to the rear behind an unchanged front roof.

Rooftop clutter counts too. The Moore Park profile asks that rooflights and vents be as inconspicuous as possible and that enclosed water tanks and air conditioning units on roofs be avoided, so we plan the loft's plumbing, extract and any condenser inside the new envelope.

Where permitted development rights survive, the Planning Portal limits a terraced house's loft enlargement, counting any earlier one, to 40 cubic metres beyond the original roof space, with side windows obscure-glazed and, if they open, at least 1.7 metres above the floor.

Outside Fulham: Muswell Hill Road, N10, a renovated Edwardian family house whose loft we converted.

We photograph the roofs of the whole terrace from the street and from the gardens before we design a dormer or mansard, so the drawings show how the new roof sits among its neighbours.

Sources: Hammersmith & Fulham: Moore Park Conservation Area character profile; Hammersmith & Fulham: Planning Guidance Supplementary Planning Document (February 2018); Planning Portal: Loft conversion, planning permission.

Loft Conversions in Fulham: Questions

Do loft conversions in Fulham need planning permission?

Often, and you cannot assume otherwise. Hammersmith & Fulham scrutinises external change in its conservation areas and applies Article 4 controls, and it has made Article 4 directions at many individual properties, especially in conservation areas. Because two neighbouring houses can sit under different rules, we confirm the exact position for your address first.

Which Fulham houses suit a loft conversion?

The bay-fronted Victorian terraces, above all. Generous family houses on Hurlingham Road and Munster Road are ideal for whole-house refurbishment, lofts and rear extensions, and their roofs take a conversion comfortably. On these streets a loft is the classic way to add a bedroom without moving.

What does a loft conversion cost in Fulham, and what forms are there?

Excluding VAT, a dormer, a mansard, a hip-to-gable and a Velux or skylight scheme are each priced differently. On a bay-fronted terrace a rear dormer or hip-to-gable usually gives the most usable room, subject to the conservation area.

Is a loft the best way to add a bedroom to a Fulham house?

For most family houses here, yes. These are family homes, and the work reflects it: loft conversions for an extra bedroom, rear and side-return extensions to open kitchens to gardens, and whole-house refurbishment. A loft adds a room and often an en-suite while leaving the footprint and garden untouched.

Does a Fulham loft need a demolition notice?

It can. Where the work involves removing part of the roof structure, demolition in Hammersmith & Fulham may require a Section 80 notice under the Building Act 1984, given to the council before work begins, and significant demolition in a conservation area needs planning permission with a heritage statement. We prepare and send those notices for you.

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