Kitchen Wall Knock-Through — fixed prices
A structural opening formed between kitchen and dining or living space, with a steel beam installed to engineer's calculations and the surrounding finishes made good. Priced as one job including the calculations and building control.
Typical UK fixed cost £3800

Fixed prices for kitchen wall knock-through
No company has published a fixed price for this job yet.
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List your fixed priceWhat's usually included
- Structural engineer calculations for the beam
- Temporary propping and formation of the opening
- Steel beam supply, installation and fire protection
- Making good to plaster and floor
- Building control inspection and sign-off
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Builders publishing fixed prices for clearly defined jobs — knock-throughs, garage conversions, patios and extensions.
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Kitchen Wall Knock-Through — your questions answered
- Do I need building regulations for a knock-through?
- Yes, always. Removing a load-bearing wall is structural work and needs calculations plus building control sign-off.
- How long does a knock-through take?
- Around one to two weeks including propping, steel installation and making good, plus drying time before decoration.
- How do I know if a wall is load bearing?
- Assume it is until an engineer or builder confirms otherwise. Walls running perpendicular to floor joists usually carry load.
- Do I need to tell my neighbours?
- If the wall is a party wall in a semi or terrace, a party wall notice may be required. Your builder should flag it at survey.