The Load Bearing CompanyStructural & steel works0161 706 3593Free survey
Merseyside

Knock-throughs & new openings in St Helens

Planning a knock-through in St Helens? We open up kitchens, dining rooms and through-lounges — engineered, signed off and left ready for plaster.

St Helens and its towns — Newton-le-Willows, Rainhill, Haydock and Billinge — are largely terraced and semi-detached housing where the spine wall between front and back rooms is the usual candidate for a knock-through.

A knock-through joins two rooms into one — most often the kitchen and dining room, or the front and back rooms of a terrace or semi. We also form new doorways and widen existing openings, including large openings in rear walls for bifold or sliding doors.

Recent knock-throughs work

Steel beam spanning a full-width rear opening of a semi-detached house into a new extension
Full-width rear opening — the whole back of the house carried on one steel
Long RSJ spanning a knock-through with the floor above supported on temporary props
Full-width knock-through — the house held on props while the steel goes in
Extension shell in blockwork with the knock-through steels installed overhead
The new room taking shape once the steels are in

What’s included

  • Kitchen-diner and through-lounge knock-throughs
  • New doorways and serving hatches
  • Widening existing openings
  • Rear wall openings for bifolds, sliders and French doors
  • Openings into new extensions
  • Blocking up old doorways and openings

St Helens work is inspected by St Helens Borough Council building control, or a registered approver.

Knock-throughs & new openings in St Helens: your questions answered

Do you cover St Helens?

Yes — St Helens and the surrounding area are part of our regular patch. St Helens work is inspected by St Helens Borough Council building control, or a registered approver.

Do I need planning permission for a knock-through?

Usually not for internal walls in a house. You do need Building Regulations approval if the wall is load-bearing, and listed building consent if the property is listed.

Can you form an opening for bifold doors?

Yes. We install the steel lintel or goalpost frame the engineer specifies and leave the structural opening sized to your door supplier's dimensions.

Will a knock-through make a lot of dust?

Cutting masonry is dusty, so the work area is sheeted off, dust extraction is used on cutting tools and the site is cleaned at the end of each day.

More structural work in St Helens

Wall Removal in St Helens

Open up kitchens, dining rooms and living spaces safely, with the wall's load carried by a correctly designed steel beam.

Steel Beams in St Helens

Supply and fit of steel beams, columns and goalpost frames for knock-throughs, extensions and loft conversions.

Structural Brickwork in St Helens

Shop fronts, brick facade rebuilds, wall tie replacement, subsidence repairs and repointing — with bricks and mortar matched to the original.

Knock-Throughs nearby

We also cover knock-throughs in Liverpool, knock-throughs in Warrington, knock-throughs in Wigan, knock-throughs in Widnes. See the full knock-throughs & new openings service or all work in St Helens.

Knock-Throughs in St Helens?

Send photos or your engineer's drawings for a same-day budget price, or book a free survey in St Helens.

Get a free surveyCall 0161 706 3593