An open plan ground floor is a wall removal, a beam and a great deal of making good. In Luton the building control fee depends on the route you take, and the inspection stages include a fire proofing check. We appoint the structural engineer and build to the calculations issued.
What it costs to get the steel approved
Installation of up to two steel beams is charged at £645 by Luton Borough Council under a full plans combined payment, from 1 April 2026. Under a building notice the same work is £810. As a regularisation or reversion application it is £1,215.
The stages, and the clock on the charge
Luton publishes four inspection stages for removal of a load bearing wall: commencement, inspection of structural works, fire proofing, and completion. A knock through that takes out a load bearing wall follows that list.
There is also a time limit. Luton's standard building control charges are set on the basis that the work takes no more than 12 months from commencement to completion, and supplementary charges may apply if it runs longer. A project left half finished can therefore cost more than it needed to.
The house types behind an open plan scheme
Census 2021 counted 78,942 households in Luton, of which 31,781 were in semi-detached houses and 17,356 in terraced houses. In the Montrose Avenue area, 1,680 of 3,760 dwellings, 44.7 per cent, were built between 1930 and 1939.
Newer areas are different again. Marsh Farm has no dwellings recorded as built before 1919, and 2,640 of its 3,410 dwellings were built between 1965 and 1982. The wall you want gone may be masonry or timber stud, and the engineer establishes which before a beam is sized.
Bringing a garage into the plan
A garage conversion is inspected on a separate schedule. Luton Borough Council's garage conversion schedule runs to seven stages, including a check of the damp proof course in the wall and the damp proof membrane to the floor. If the open plan scheme takes in the garage, those stages are added rather than swapped in.
- Structural engineer coordination and building control sign-off
- Making good, plastering and decorating the finished space
- Side-return integration for a wider ground floor
- Beam depth checked against existing ceiling heights
- Flush beam detailing where a downstand would look wrong
Why Luton Homeowners Choose GS Renovation
Open plan work is really a sequencing problem. The steel, the fire proofing check, the floor levels and the making good all have to land in an order that keeps the house liveable and the inspections bookable. We coordinate the building control application and the engineer's involvement, and we work to the 12 month window the council's charges assume, so the fee you were quoted is the fee you pay. One point of contact from first survey to completion.
- The house kept usable while the opening is formed in stages
- Structure and finishes delivered by one team on one programme
- Aftercare and snagging support once the job is finished
- Rated 4.9 from 31 reviews on MyBuilder
- A written scope and programme agreed before work starts
- A dedicated project manager from first survey to handover