Builders for London homeowners, from first visit to handover

Everything your home needs

From a new bathroom to a whole-house renovation: one team, one point of contact.

01

House extensions

Rear, side-return and wrap-around extensions that bring in light and space.

  • Single and double-storey
  • Side-return and wrap-around
  • Bi-fold doors and rooflights
  • Steel beams and structural work
Typical build: [X]–[X] weeks From £[X]
Get a quote for house extensions
02

Loft conversions

Dormer, hip-to-gable and mansard lofts, from structure to final finish.

  • Dormer and hip-to-gable
  • Mansard conversions
  • New staircase and insulation
  • En-suite bathrooms
Typical build: [X]–[X] weeks From £[X]
Get a quote for loft conversions
03

Full refurbishments

Whole-house renovations: rewiring, replastering, heating and new layouts.

  • Rewiring and new heating
  • Replastering and flooring
  • Knock-throughs and new layouts
  • Decorating and finishing
Typical build: [X]–[X] weeks From £[X]
Get a quote for full refurbishments
04

Kitchens

Kitchen fitting and open-plan knock-throughs, steel beams included.

  • Supply-and-fit or fit-only
  • Open-plan knock-throughs
  • Electrics and plumbing
  • Worktops and tiling
Typical build: [X]–[X] weeks From £[X]
Get a quote for kitchens
05

Bathrooms

Bathrooms, en-suites and wet rooms, fully tiled and finished.

  • Bathrooms and en-suites
  • Wet rooms and walk-in showers
  • Underfloor heating
  • Full tiling and finishing
Typical build: [X]–[X] weeks From £[X]
Get a quote for bathrooms
06

New builds

New homes and outbuildings, managed from groundwork to handover.

  • Groundwork and foundations
  • Structure and roofing
  • First and second fix
  • Full fit-out to handover
Typical build: [X]–[X] months Priced per project
Get a quote for new builds
Our promise to you

The Sehmi Standard

Ten commitments we make on every project, whatever the size. Hold us to them.

[Founder name][Founder name], founder & director
  1. 01

    Free survey, written quote

    Every job starts with a site visit and an itemised quote in writing.

  2. 02

    One named project lead

    The same person runs your job from start to finish, and answers your calls.

  3. 03

    Timeline agreed up front

    Start date and key stages set out before any work begins.

  4. 04

    Your home protected

    Floors, stairs and furniture covered before we lift a tool.

  5. 05

    Cleared every day

    Rubbish removed and the site left safe and tidy each evening.

  6. 06

    Weekly photo updates

    Progress photos and a quick summary, so you’re never guessing.

  7. 07

    Neighbours kept informed

    We let them know before noisy or disruptive work.

  8. 08

    No surprise extras

    Any change is priced and agreed with you before we do it.

  9. 09

    Snagging walk-round

    We check every detail together before we call the job done.

  10. 10

    [X]-year guarantee

    [Your workmanship guarantee, in one line.]

How it works

Four simple steps

  1. 1

    Free site survey

    We visit, measure up and listen to what you want from the space.

  2. 2

    Design & quote

    Drawings, approvals help and an itemised written quote.

  3. 3

    The build

    One project lead, a tidy site and regular progress updates.

  4. 4

    Handover

    A final walk-round together, sign-off and aftercare.

FAQs

Questions, answered

Can’t see your question? Give us a call and we’ll talk it through.

Ask us a question
Are your site surveys and quotes free?

Yes. We visit, measure up and send an itemised written quote, all free and with no obligation.

Which areas of London do you cover?

[List your boroughs or areas, e.g. West and North-West London and nearby Home Counties.]

Can you help with planning permission and building regs?

[Say whether you arrange drawings, planning applications and building control, or work alongside an architect.]

Will I have one point of contact?

[Describe your set-up, e.g. every job has one project lead who you can call or message throughout.]

Do you offer a guarantee on your work?

[State your workmanship guarantee and any insurance-backed warranty, e.g. a [X]-year guarantee.]

How soon can you start?

[Your typical lead time, e.g. we’re currently booking projects from [MONTH].]

Ready to start your project?

Book a free site survey. We’ll visit, talk through your plans and send a clear written quote, with no pressure to go ahead.

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