Shakespeare Road, Acton W3
L-shaped dormer adding a master bedroom and en-suite to an Edwardian mid-terrace in Poets' Corner.
- L-Shaped Dormer
- 11 weeks
- £72k
- Ealing Council
- Delivered by us
Loft Conversions in Acton W3
The London Loft Conversion Company designs and builds loft conversions across Acton and the surrounding W3, W4 and NW10 postcodes, around 20 minutes from our Fulham base. One in-house team for feasibility, design, planning, structural engineering and the build itself. One fixed price, VAT included, written contract.
- Typical project
- £52k–£66k, 8–10 weeks
- Area
- Acton W3 (W4 and NW10 edges)
- Local council
- Ealing
- Best for
- Edwardian terraces and 1930s semis
Why Acton is one of the smartest places in London for a loft conversion
Acton offers some of the best value in West London, and its housing stock is built for converting. The Edwardian terraces around Poets' Corner and central W3 have the rear outriggers that suit L-shaped dormers, the Acton Green terraces on the Chiswick border take straightforward rear dormers, and the 1930s semis toward North Acton and West Acton are ideal for hip-to-gable conversions. With Chiswick prices sitting a clear step higher just across the border, extending in W3 rather than moving is an easy sum for most families.
Planning sits with Ealing Council across the whole of W3. A full householder application typically takes 8–10 weeks; Lawful Development Certificates, which cover most rear dormers and hip-to-gables in Acton, are usually quicker at 6–8 weeks. The Mill Hill Park and Creffield conservation areas are the main watch-outs, where roof alterations face closer scrutiny and a full application is often the safer route. We check your street's exact position before any design work starts.
We're around 20 minutes by road from our Fulham base, straight up through Hammersmith, which means same-day or next-working-day survey visits across Acton. Much of our West London work spreads street by street. Once one terrace on a road like Churchfield Road's side streets has been converted, the neighbours can see exactly what their own roof could do.
Recent loft conversions in Acton
A selection of dormer, L-shaped and hip-to-gable projects we've delivered in W3 and the immediately surrounding postcodes, labelled clearly so you can see whether the build was through The London Loft Conversion Company or our parent company, Pillarstone Operations Group.
Antrobus Road, Acton Green W4
Rear dormer with double bedroom and walk-in shower on a Victorian terrace, a short walk from Chiswick Park station.
- Dormer
- 9 weeks
- £61k
- Ealing Council
- Delivered by us
Saxon Drive, West Acton W3
Hip-to-gable conversion with rear dormer on a 1930s semi, turning a cramped hipped roof into a full-width bedroom floor.
- Hip-to-Gable
- 10 weeks
- £64k
- Ealing Council
- Group-delivered
Baldwyn Gardens, Acton W3
Rear dormer creating two bedrooms and a shower room with a reconfigured landing on an Edwardian terrace.
- Dormer
- 10 weeks
- £59k
- Ealing Council
- Group-delivered
Milton Road, Acton W3
L-shaped dormer master suite with fitted storage in the eaves on an Edwardian terrace near Acton Central.
- L-Shaped Dormer
- 12 weeks
- £76k
- Ealing Council
- Group-delivered
Creffield Road, Acton W3
Sensitively detailed rear dormer on a large Edwardian house in the Creffield conservation area, approved via full planning application.
- Dormer
- 10 weeks
- £66k
- Ealing Council
- Group-delivered
Our projects in and around Acton
Which loft conversion suits an Acton home?
Acton's housing splits fairly cleanly by era, and the right conversion follows the roof you already have. Here's the short version.
L-Shaped DormerWhy it suits Acton
The Edwardian terraces around Poets' Corner and central Acton mostly have a rear back addition ("outrigger"), which is exactly where an L-shaped dormer sits. Adds two rooms, usually a master bedroom and a generous bathroom, within permitted development on the vast majority of W3 terraces outside the conservation areas.
£62,000 – £78,000
Read more about l-shaped dormersHip-to-GableWhy it suits Acton
The 1930s semis toward North Acton and West Acton were built with hipped roofs that leave very little usable loft. A hip-to-gable rebuilds the sloping side into a vertical gable wall, usually combined with a rear dormer, and transforms these houses more than any other conversion type.
£56,000 – £70,000
Read more about hip-to-gablesRear DormerWhy it suits Acton
The most cost-effective option for the Victorian and Edwardian terraces of Acton Green, South Acton and the streets off Churchfield Road. Usually permitted development, with a finished cost typically £52k–£66k for a master bedroom and en-suite.
£52,000 – £66,000
Read more about rear dormersPlanning permission in Acton: what you actually need to know
When you'll usually need planning permission in Acton
- Mansards, which always need a full application
- Front-facing dormers, in almost every case
- Any conversion of a flat or maisonette
- Properties within the Mill Hill Park or Creffield conservation areas
- Listed buildings (rare in W3 but worth checking)
- Properties where previous extensions have used up the permitted development "allowance"
- Anything that significantly alters the ridge line or chimney stacks
Conservation areas affecting Acton
- Mill Hill Park Conservation Area — Victorian and Edwardian villas between Acton Town station and the town centre. Roof alterations are closely scrutinised; rear dormers often need a full application rather than permitted development.
- Creffield Conservation Area — Large Edwardian houses around Creffield Road on the Acton and Ealing Common border. Dormers are expected to sit below the ridge, stay off the front slope and use matching materials.
- Acton Green and the Chiswick border — Some streets around the common carry conservation-area status on the Chiswick side of the boundary. We confirm your street's exact position before any design work.
Local councils
Typical planning timeline
- Full application (Ealing Council)
- 8–10 weeks
- Lawful Development Certificates
- 6–8 weeks
We handle every part of this, from Lawful Development Certificates and full planning applications to Design and Access Statements, conservation-area heritage statements, council liaison and responding to planning officer queries, all within your fixed quote. You don't deal with the council, we do.
What does a loft conversion in Acton cost?
Acton is one of the better-value areas in West London for a loft conversion. The stock is largely straightforward Edwardian terraces and 1930s semis, conservation oversight is limited to a couple of pockets, and finished costs sit a clear notch below equivalent projects in neighbouring Chiswick. The ranges below are 2026 figures for houses across W3. Final quotes are confirmed in writing after a free home survey.
| Type | Typical range | Build time | Planning |
|---|---|---|---|
| Velux | £38,000 – £46,000 | 6–8 weeks | Usually permitted development |
| Dormer | £52,000 – £66,000 | 8–10 weeks | Usually permitted development |
| Hip-to-Gable | £56,000 – £70,000 | 9–11 weeks | Usually permitted development |
| L-Shaped Dormer | £62,000 – £78,000 | 10–12 weeks | Often permitted development |
| Mansard | £70,000 – £94,000 | 12–16 weeks | Planning 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 Acton quoteWhat our Acton 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 Acton homeowners
How much does a loft conversion in Acton cost?
Loft conversions in Acton typically cost £38,000 to £94,000 depending on the type and the property. A Velux conversion starts at £38,000 to £46,000. A standard rear dormer on an Edwardian terrace usually falls between £52,000 and £66,000. Hip-to-gable conversions on the 1930s semis toward North Acton run £56,000 to £70,000, L-shaped dormers £62,000 to £78,000, and mansards £70,000 to £94,000. Every figure is VAT included and confirmed in writing after a free home survey.
Do I need planning permission for a loft conversion in Acton?
Often not. Rear dormers, L-shaped dormers and hip-to-gable conversions on Acton houses usually fall under permitted development, needing only a Lawful Development Certificate from Ealing Council. You will need planning permission for a mansard, for any conversion of a flat or maisonette, and for most roof alterations within the Mill Hill Park and Creffield conservation areas. We assess your street's exact position at the free survey and handle whichever route applies.
How long does Ealing Council take to approve a loft conversion?
A full householder planning application typically takes 8 to 10 weeks with Ealing Council. A Lawful Development Certificate, which is all most Acton dormer and hip-to-gable conversions need, is usually decided in 6 to 8 weeks. We prepare and submit everything, deal with any planning officer queries, and build the approval time into your project programme.
What's the most common loft conversion type in Acton?
It splits by era. On the Edwardian terraces around Poets' Corner, central Acton and Acton Green, the L-shaped dormer is the most common choice because the rear outrigger gives it a ready-made footprint, with straight rear dormers close behind. On the 1930s semis toward North Acton and West Acton, hip-to-gable conversions dominate, because the hipped roofs on those houses leave too little headroom for anything else to work well.
Is a loft conversion in Acton cheaper than one in Chiswick?
Usually, yes. The labour and materials cost the same either side of the border, but Acton's stock is generally simpler to convert, conservation-area constraints are limited to a couple of pockets, and finish expectations are less inflated, so typical W3 projects come in below equivalent Chiswick jobs. The value case is also stronger in Acton: adding a double bedroom and en-suite closes much of the gap to the next house size up at a fraction of the cost of moving.
Do you cover every part of Acton?
Yes. We work across the whole of W3, including East Acton, North Acton, West Acton, South Acton, Acton Green, Poets' Corner and the streets off Churchfield Road, plus the edges that fall into W4 and NW10. Wherever you are in Acton, the process is the same: free survey, itemised fixed-price proposal, one in-house team from design to completion.
We also work in nearby areas
Don't see Acton as your nearest postcode? We work across London. Most of our work comes from referrals between neighbouring streets.
- Loft Conversions in Chiswick
- Loft Conversions in Ealing
- Loft Conversions in Shepherds Bush
- Loft Conversions in Hammersmith
- Loft Conversions in Fulham
- Loft Conversions in Richmond
Looking for a specific postcode? See all the South London areas we cover or West London areas.
Ready to start your Acton loft conversion?
Tell us your postcode and a bit about your house. Daniel will arrange a free home survey, usually within 5 working days in W3, 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 within 5 working days in Acton
- 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
Prefer to talk? Call Daniel on 07414 648 263.