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Loft planning guide · Twickenham & west London

Loft conversion stairs.
Plan the route up.

A loft room needs a practical way to reach it. The position of the new stairs affects the landing, the rooms below and the space you can use upstairs. Bring the whole layout into the conversation before choosing a finish.

For homeowners planning a loft conversion. Based in Twickenham; enquiries welcome from Richmond, Teddington, Hammersmith, Acton, Harrow, Barnet and Brent.

Finished loft bedroom with fitted eaves cupboards and a roof window
A finished loft bedroom from Luca’s project photographs. Stair layout and headroom must be planned for your own home. Explore Luca’s project photographs.
Start with the layout

Where could the new stairs go?

There is no single arrangement that suits every house. A measured survey and a coordinated design are needed to establish what is suitable. These are useful options to discuss, rather than designs to choose from a photograph.

01 / EXISTING STAIR AREA

Explore the route above.

Ask whether a new flight can work in relation to the existing staircase. The discussion needs to include the floor opening, the landing below and where you arrive in the loft. A convenient-looking position on the first floor may not work beneath the roof.

02 / A TURNING FLIGHT

Look at the whole footprint.

A change of direction alters the space used by the staircase and its landings. Review door swings, circulation and the approach to the first step. Ask to see the proposal on both floor plans, not just the shape of the stair.

03 / ADJOINING ROOMS

Understand what changes below.

If the proposal uses part of a bedroom or landing, compare what you gain upstairs with what changes downstairs. Consider furniture positions, storage and everyday movement before agreeing the layout.

Before agreeing a layout

Five questions for the survey.

  1. Where does each flight start and finish?

    Ask to see the existing landing and proposed loft landing together. Check the approach to doors, furniture and the new room.

  2. How does the roof affect headroom?

    The finished roof and floor build-up matter, not just the empty loft. Have the proposed stair and landing checked against the measured design.

  3. What supports the new opening?

    The stair opening affects the existing structure. Ask who is preparing the structural design and what associated work is included.

  4. How are fire safety and safe use being addressed?

    Ask the designer and building-control team to review the complete arrangement, including the escape route, doors, guarding and handrails where relevant.

  5. How will the house be used during the work?

    Discuss access to existing bedrooms, temporary protection, dust and the sequence of opening the floor. Agree practical arrangements for your household.

Comparing quotations

Price the work around the stairs, too.

A staircase price by itself may not cover the work needed to fit it into a loft conversion. Ask for the agreed scope and exclusions in writing. These questions help make quotations easier to compare; they are not a price estimate.

Survey and design
Who measures the house, coordinates the stair layout and prepares any required structural information? Confirm the design and approval responsibilities.
Opening and structure
Check whether formation of the opening, supporting work and changes to surrounding floors or ceilings are included.
Stair and finish
Confirm the agreed materials, handrail and guarding, fitting, decorating and floor finishes. Ask what is supplied by each party.
Changes to other rooms
Clarify any affected walls, doors, services and storage, plus making good to the existing landing and rooms.
Programme and changes
Discuss access, ordering, installation sequence and how changes to the agreed design would be priced and approved.

Read the full loft-conversion quotation checklist

Your first conversation

What to send Luca.

Show the starting point.

Start with your postcode, photographs of the existing staircase and landing, and any floor plans or loft drawings you already have. Explain the room you want upstairs and which rooms or storage you want to protect below.

Mention whether a designer is already involved and what stage the plans have reached. You do not need to invent measurements or settle the stair layout before making an enquiry.

Describe the whole project.

Use the website form to outline the proposed loft conversion and the staircase question. You can discuss photographs and documents with Luca afterwards. Scope, suitability, price and availability are agreed for your property.

Send your loft enquiry

Your message is saved securely. For urgent enquiries, call Luca directly.

Common questions

Before choosing your loft stairs.

Can the loft stairs go above the existing stairs?

That is an arrangement to explore, not a promise. The landing, roof shape, headroom, structure and complete design need to be assessed together. Share the current floor plans and ask for the proposed route to be shown on both levels.

Will I lose part of a bedroom?

It depends on the measured house and the proposed layout. If an option affects an existing room, ask to see the remaining space and furniture arrangement before deciding. Compare the effect downstairs as well as the room gained in the loft.

Can I use a loft ladder for the new room?

Do not assume an existing loft-access ladder is suitable for a converted room. Planning Portal says retractable ladders or stairs are not normally acceptable for this purpose. Ask the designer and building-control team to establish an appropriate solution for your project.

How much do loft conversion stairs cost?

The layout, specification, supporting work and changes to the existing house affect the quotation. Ask for an itemised scope covering the staircase and associated work. A photograph or another customer’s project cannot establish a price for your home.

Further reading / England

Check the design with the right people.

This guide helps you prepare a project conversation. It is not a measured stair design or confirmation that a particular arrangement complies. Planning Portal explains that new loft stairs raise fire-safety, stair-design and structural-opening questions. The government’s Approved Document K covers stair and guarding guidance. Your designer and building-control team should check the complete proposal.

Guide published 3 November 2026 by Luca Extension Ltd.

Bring your loft plans into focus.

Read genuine loft customer accounts, browse Luca’s loft photographs, then tell Luca what you want to change.

Discuss your loft conversion
ASK ABOUT YOUR LOFT PROJECT

Send your loft enquiry here.

Tell Luca where your home is, what room you want and your staircase question. You do not need drawings or exact measurements to make a first enquiry.

Your message is saved securely. Sending it does not book a visit or confirm a quotation. You can discuss photographs and drawings with Luca afterwards.

Prefer to speak? Call Luca on 07501 316 328.

How would you like to start?

One contact method is enough. Use the email or number you want Luca to reply to.

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