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The London Loft Conversion Company

Loft Conversions in Fulham SW6

The London Loft Conversion Company is based right here in Fulham SW6. We design and build loft conversions across the whole of London, but Fulham is home: our office, our team and a good number of our finished projects are all within the postcode. One in-house team for feasibility, design, planning, structural engineering and the build itself. One fixed price, VAT included, written contract.

Typical project
£58k–£90k, 8–14 weeks
Fulham SW6
Our home base, same-day surveys
Local council
Hammersmith & Fulham
Best for
Victorian terraces, mansards
Rooftops of Victorian terraces with rear dormer loft conversions in Fulham

Why Fulham is home ground for our loft conversions

This is the one page on our site where we don't have to quote a travel time. Our office and our team are based in Fulham SW6, so surveys are usually same-day or next-working-day, the project manager driving past your scaffold each morning is on his way to work anyway, and many of our references are neighbours you can actually knock for. If you want to stand inside a finished loft before committing, we can normally arrange a visit to a past client's home a few streets away.

Fulham is packed with dense Victorian terraces: the Peterborough Estate's famous "Lion houses", the grids around Moore Park, Parsons Green and Munster Village, and the streets running down to Bishop's Park and the river. Much of that stock sits inside conservation areas, which is why mansard conversions are so common here. Where a street falls outside conservation control, a rear dormer or L-shaped dormer remains the most cost-effective way to add a full floor.

Planning sits with Hammersmith & Fulham Council, which we deal with more than any other authority in London. Full applications typically take 8–10 weeks and Lawful Development Certificates around 6 weeks. We know which Fulham streets carry conservation designations, what the council's officers expect to see in a heritage statement, and which mansard precedents on your street make an approval straightforward.

Victorian terraced houses with dormer loft conversions in Fulham

Recent loft conversions in Fulham

Because SW6 is our home postcode, more of our own-badge work is concentrated here than anywhere else in London. Each project below is labelled so you can see whether it was built by The London Loft Conversion Company or through our parent company, Pillarstone Operations Group.

Mansard loft conversion on a Peterborough Estate Lion house in Fulham

Perrymead Street, Fulham SW6

Full mansard on a Peterborough Estate "Lion house", adding a master bedroom and en-suite while matching the consented mansards already on the terrace.

  • Mansard
  • 14 weeks
  • £98k
  • Hammersmith & Fulham Council
  • Delivered by us
Rear mansard loft conversion on a Victorian terrace near Parsons Green

Parthenia Road, Fulham SW6

Rear mansard on a Victorian terrace near Parsons Green, creating a principal suite with built-in wardrobes and a walk-in shower.

  • Mansard
  • 13 weeks
  • £86k
  • Hammersmith & Fulham Council
  • Delivered by us
Rear dormer loft conversion on a mid-terrace in Munster Village, Fulham

Epirus Road, Fulham SW6

Rear dormer on a Munster Village mid-terrace, adding a double bedroom and shower room under permitted development.

  • Dormer
  • 9 weeks
  • £64k
  • Hammersmith & Fulham Council
  • Delivered by us
L-shaped dormer loft conversion on a terrace in Sands End, Fulham

Stephendale Road, Fulham SW6

L-shaped dormer over the rear outrigger of a Sands End terrace, giving a bedroom, study and family bathroom in one build.

  • L-Shaped Dormer
  • 11 weeks
  • £78k
  • Hammersmith & Fulham Council
  • Delivered by us
Rear dormer loft conversion under construction near Bishop's Park, Fulham

Cloncurry Street, Fulham SW6

Rear dormer near Bishop's Park with a reconfigured landing and new oak staircase to keep the first-floor layout intact.

  • Dormer
  • 10 weeks
  • £70k
  • Hammersmith & Fulham Council
  • Group-delivered
Finished loft bedroom with en-suite in the Moore Park area of Fulham

Britannia Road, Fulham SW6

Loft bedroom and en-suite in the Moore Park area, with conservation-grade rooflights to the front slope and a dormer to the rear.

  • Dormer
  • 10 weeks
  • £72k
  • Hammersmith & Fulham Council
  • Group-delivered

Our projects in and around Fulham

Which loft conversion suits a Fulham home?

Fulham's housing stock is unusually consistent: street after street of Victorian terraces, a large share of them inside conservation areas. That pushes more projects toward mansards here than almost anywhere else we build.

MansardWhy it suits Fulham

The signature Fulham conversion. Conservation areas cover much of SW6, including the Peterborough Estate, Moore Park and Parsons Green, and on those streets a mansard that matches existing consented examples is usually the route the council supports. It rebuilds the rear roof at a steep angle to create a full extra storey with near-vertical walls.

£80,000 – £110,000

Read more about mansards

L-Shaped DormerWhy it suits Fulham

Most Fulham terraces have a rear back addition ("outrigger"), and an L-shaped dormer builds over both roofs at once. On streets outside conservation control, in parts of Sands End, Munster Village and off Dawes Road, it adds two rooms, typically a master bedroom and bathroom, often within permitted development.

£70,000 – £86,000

Read more about l-shaped dormers

Rear DormerWhy it suits Fulham

The most cost-effective full-headroom option where the street allows it. A straight rear dormer on a Fulham terrace typically delivers a master bedroom and en-suite, and where the house sits outside a conservation area it usually needs only a Lawful Development Certificate rather than full planning.

£58,000 – £74,000

Read more about rear dormers

Planning permission in Fulham: what you actually need to know

When you'll usually need planning permission in Fulham

  • Mansards: always
  • Front-facing dormers: almost always
  • Any conversion of a flat or maisonette
  • Houses within the Peterborough Estate, Moore Park or Parsons Green conservation areas
  • Listed buildings and locally listed Buildings of Merit
  • Properties where previous extensions have used up the permitted development "allowance"
  • Anything that significantly alters the ridge line, chimney stacks or front roof slope

Conservation areas affecting Fulham

  • Peterborough Estate Conservation Area — The "Lion house" streets between Parsons Green and South Park. Roof alterations are tightly controlled; mansards matching consented precedents on the terrace are the established route.
  • Moore Park Conservation Area — The streets between Fulham Road and the Chelsea border around Moore Park Road. Rear dormers are often restricted; front rooflights must usually be conservation-grade.
  • Parsons Green Conservation Area — Covers the Green itself and surrounding streets off New King's Road. Similar restrictions, with mansard and Velux schemes generally preferred by officers.

Local councils

Hammersmith & Fulham Council

Covers all of Fulham SW6

Planning portal: lbhf.gov.uk/planning

Typical planning timeline

Full application (Hammersmith & Fulham)
8–10 weeks
Lawful Development Certificates
~6 weeks

We handle every part of this: Lawful Development Certificates, full planning applications, Design & Access Statements, conservation-area heritage statements, council liaison and responding to planning officer queries, all as part of your fixed quote. And because Hammersmith & Fulham is our own local authority, we submit to this council more than any other in London. You don't deal with the council, we do.

What does a loft conversion in Fulham cost?

Fulham sits at the top of the London loft conversion cost bracket. The housing stock is almost entirely period, conservation coverage is wide, party wall agreements are needed on nearly every terrace, and finish expectations in SW6 are high. The ranges below are 2026 figures for Victorian terraces across Fulham, Parsons Green, Moore Park and Sands End. Final quotes are confirmed in writing after a free home survey.

TypeTypical rangeBuild timePlanning
Velux£42,000 – £52,0006–8 weeksUsually permitted development
Dormer£58,000 – £74,0008–10 weeksUsually permitted development
L-Shaped Dormer£70,000 – £86,00010–12 weeksOften permitted development
Hip-to-GableRare in SW6Quoted on surveyCase by case
Mansard£80,000 – £110,00012–16 weeksPlanning permission required

VAT included. Final price varies with structural complexity, spec and finish. Your proposal is itemised line by line before any commitment.

Book a free survey for your Fulham quote

What our Fulham clients say

We were nervous about committing to such a big project, but the team made it the smoothest experience. They stayed on budget, finished a week early and even sorted the snags before we'd noticed them. Our bedroom is the best room in the house now.

Sarah & Tom

L-shaped dormer · Clapham

From the first survey to handover, everything happened when they said it would. The fixed price genuinely was fixed, and the weekly photo updates meant we always knew exactly where the build was. The dormer has completely changed how we use the house.

James R.

Rear dormer · Wandsworth

Our loft was a dumping ground for ten years and now it's the nicest room we own. The crew were tidy, polite and honest about what was possible, and the finish is better than we dared hope for.

Rebecca H.

Mansard · Fulham

Loft conversion questions from Fulham homeowners

How much does a loft conversion in Fulham cost?

Loft conversions in Fulham typically cost £58,000 to £110,000 depending on the type and the property. A straight rear dormer on a Victorian terrace usually falls between £58,000 and £74,000. L-shaped dormers over a rear outrigger run £70,000 to £86,000. Mansards, the most common route on conservation-area streets like the Peterborough Estate, are £80,000 to £110,000, and a Velux conversion is £42,000 to £52,000. Every figure is VAT included and confirmed in writing after a free home survey.

Do I need planning permission for a loft conversion in Fulham?

More often than in most of London, because conservation areas cover so much of SW6. If your house sits inside the Peterborough Estate, Moore Park or Parsons Green conservation areas, expect a full planning application, usually for a mansard. Outside those areas, rear dormers and L-shaped dormers commonly fall under permitted development and need only a Lawful Development Certificate. We confirm your street's exact position at the free survey and handle whichever route applies.

Can I convert the loft of a Peterborough Estate "Lion house"?

Yes. The Peterborough Estate is a conservation area, so the roofline is protected, but there is a long track record of consented mansards on these terraces. The council generally supports schemes that match the profile, materials and detailing of existing approved examples on the same street. We prepare the heritage statement and full application, and we can point to Lion house mansards we have delivered a short walk from our own office.

How long does Hammersmith & Fulham Council take to approve a loft conversion?

A full planning application typically takes 8 to 10 weeks. A Lawful Development Certificate, which is all many Fulham dormer conversions outside the conservation areas need, is usually decided in around 6 weeks. We prepare and submit everything, deal with planning officer queries, and build the approval time into your project programme.

You say Fulham is your home area. What does that actually mean for my project?

Our office and team are based in SW6, so a survey can usually happen the same day or the next working day. Your project manager passes the site daily rather than weekly, materials and scaffold issues get resolved fast, and our references are local: past clients a few streets away whose finished lofts you can visit before you commit. A large share of our Fulham work comes from neighbours of previous projects.

Do I need a party wall agreement for a loft conversion in Fulham?

Almost certainly. Fulham terraces share party walls on both sides, and a dormer or mansard involves structural work on those walls, so the Party Wall Act applies with each attached neighbour. We manage the process as part of the fixed quote: serving notices, appointing the surveyor and scheduling the condition surveys, and because we work these streets constantly, many Fulham neighbours have been through the process with us before.

We also work in nearby areas

Don't see Fulham as your nearest postcode? We work across London. Most of our work comes from referrals between neighbouring streets.

Looking for a specific postcode? See all the South London areas we cover or West London areas.

Ready to start your Fulham loft conversion?

Tell us your postcode and a bit about your house. Daniel will arrange a free home survey, usually same-day or next-working-day in SW6 since we are based here, and you'll have a fully itemised fixed-price proposal within 7 days of the visit. No pressure, no obligation, no hard sell.

  • Free home survey, usually same-day or next-working-day in Fulham
  • Itemised fixed-price proposal within 7 days of the survey
  • 15% deposit only after you sign · 5% retention held until snagging is signed off
  • VAT included in every figure

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