Steel BeamInstallers
Finished open-plan kitchen diner with a plastered boxed beam across the ceiling

Kitchen-diner knock-throughs · Sevenoaks

Kitchen-diner knock-throughs in Sevenoaks

Kitchen-diner knock-throughs in Sevenoaks, from free survey to completion certificate.

  • Survey, design and installation in one
  • Covering TN13, TN14
  • Inspected before it is covered

Free survey in Sevenoaks

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  • Free survey visit
  • Engineer's calculations arranged
  • Building control handled
  • Fixed written price once scope is agreed
  • England, Wales, mainland Scotland & NI

What kitchen-diner knock-throughs involve in Sevenoaks

We carry out kitchen-diner knock-throughs in Sevenoaks, covering the TN13 and TN14 postcode districts. It sits about 14.2 miles from Maidstone, which we also cover. The job starts with a free survey visit so the engineer's calculations are based on your actual walls, floors and loads.

The wall between a kitchen and dining room is often a structural one, especially in semi-detached and terraced houses where it carries the floor joists for the bedrooms above. Opening it up gives the sociable, open-plan space most families want, but the kitchen brings extra things to plan: pipes, cables, an extractor, and a layout that has to work around the new steel.

Key points for your project

  • Taking the wall out removes the switches and sockets on it, and an open-plan room usually needs a new lighting layout. Electrical work in England must comply with Part P of the building regulations where it is notifiable, so rewiring is planned early.
  • A flush beam sits up within the depth of the ceiling so the kitchen and dining ceilings run as one flat surface. It suits continuous downlights and long runs of wall units, but each joist has to be connected into the beam, which adds labour.
  • Older kitchens can hide asbestos in textured ceiling coatings, floor tiles, boxing around pipes or the backing of old heaters. In buildings from before 2000 it must be identified before the fabric is disturbed, so a survey of the affected area is arranged first.
  • Keep the structural calculations, the building control completion certificate and any gas or electrical certificates together. When the house is sold, the buyer's solicitor will usually ask for evidence that the knock-through was approved and signed off.
  • Where the wall stood there is usually a strip of footing or a change in floor level between the two rooms. It is levelled with screed or timber so one continuous floor finish, such as tiles or engineered boards, can run straight across.

From survey to sign-off in Sevenoaks

  1. Look and measure

    We check the wall, the span you want and what the wall is carrying, and photograph anything the engineer needs to see.

  2. Design and price

    Calculations come back from the engineer and we confirm your fixed written price, line by line.

  3. Building control

    We submit a building notice or full plans application to the local council's building control team, so approval is in place before the wall is touched.

  4. Fit, inspect, finish

    The work is propped and the steel installed and packed tight. After inspection the opening is boxed, plastered and left clean.

What do kitchen-diner knock-throughs cost in Sevenoaks?

As a guide, budget £2,800–£6,700 including VAT for kitchen-diner knock-through in Sevenoaks, based on published UK cost guides adjusted for prices in the South East (+12%).

JobTypical guide rangeWhat it usually covers
Kitchen-diner knock-through£2,800–£6,700Internal structural wall between kitchen and dining room, steel beam, approvals and making good (kitchen fitting extra)
Fire protection to a steel beam£170–£670 per beamFire-rated board boxing or an intumescent coating system as specified
Steel column or post£560–£1,680 per columnColumn supplied and fitted with base and cap plates on a pad foundation
Structural calculations for a beam£280–£840Site measure or photos, beam and padstone design and calculations for building control

Figures include our approximate regional adjustment for prices in the South East (+12%) and are rounded. How these figures are worked out.

Building rules for Sevenoaks

For Sevenoaks, building control is provided by the local council's building control team, or by a registered building control approver if preferred. We send them the engineer's calculations with a building notice or full plans application and book the inspections. Work done without approval can cause problems at sale and is far dearer to put right later.

If the beam bears into a wall you share with a neighbour, the Party Wall etc. Act 1996 applies, and a party structure notice must be served at least two months before that work starts. We arrange this through a party wall surveyor.

Building rules in England

Kitchen-diner knock-throughs near Sevenoaks

Kitchen-diner knock-throughs in Sevenoaks: your questions

Do you cover Sevenoaks for kitchen-diner knock-throughs?

Yes. We carry out kitchen-diner knock-throughs in Sevenoaks and the TN13 and TN14 postcode districts. Book a free survey visit and we will check the wall, arrange the engineer's calculations and send an itemised written quote.

Do you also work near Sevenoaks?

Yes. We also cover nearby towns including Tonbridge, Swanley, Tunbridge Wells and Caterham.

Who moves the gas pipe for my cooker?

A Gas Safe registered engineer, because work on gas pipework must legally be done by one. If the pipe runs in or near the wall being removed, it is capped or rerouted before demolition starts and reconnected once the new layout is in place. We build this into the programme so it is not left to chance.

Can the steel beam be hidden in the ceiling?

Yes, a flush beam can be set into the ceiling void so there is no step between the kitchen and dining ceilings. It needs enough joist depth and more labour to connect the joists to the steel, so it costs more than a downstand. The engineer confirms whether it is possible in your house.

Can I knock my kitchen and dining room into one?

In most houses, yes. The wall can be removed even if it is load-bearing, as long as a steel beam designed by a structural engineer takes over the load and building control approves the work. The main things to check early are what the wall carries, where services run, and whether the layout still works around any column.

How much do kitchen-diner knock-throughs cost in Sevenoaks?

As a guide, budget £2,800–£6,700 including VAT for kitchen-diner knock-through in Sevenoaks, based on published UK cost guides adjusted for prices in the South East (+12%). The exact figure depends on the span, what the wall carries, access and the finish, and is fixed in writing once the scope is agreed.

Planning to take a wall out?

Book a free survey visit. You get an itemised written quote covering calculations, building control, steel and making good.