What is the difference between demountable and stud partitions?
A stud partition is built on site from galvanised steel studs fixed into a floor channel and head track, then lined with plasterboard on both sides, usually with mineral wool insulation in the cavity. The joints are taped, filled and sanded before decoration. Once built, the wall is effectively permanent: removing it creates waste, and the materials cannot normally be reused.
A demountable partition is a modular system of steel or aluminium framing with prefinished panels, which can be solid, glazed or a mix of both. Panels arrive decorated, often in laminate, fabric, vinyl-faced board or glass, and clip or screw into the frame without wet trades. The system can be taken down, stored and rebuilt in a new layout, and components can be swapped, for example replacing a solid panel with glass.
How do costs compare?
Guide prices for 2026, supply and install excluding VAT, are £55–£90 per m² for metal stud partitions and £180–£320 per m² for demountable systems. Acoustic stud walls run at £80–£130 per m² and fire rated stud walls at £75–£125 per m². Stud prices may exclude decoration, skirting and making good, so compare like for like. A demountable system arrives finished, so there is no separate decorating cost.
The initial gap is real, but the lifetime comparison can look different. If a layout is likely to change within a few years, or you expect to move and take the partitions with you, a demountable system can be relocated for typically 35–60% of the cost of new, while a stud wall has to be stripped out at £20–£45 per m² and rebuilt from scratch. All figures are guides confirmed after a free site survey.
How do demountable and stud partitions compare side by side?
The table summarises the main practical differences. Both systems can be designed to meet acoustic and fire requirements, but the evidence comes from the tested build of the specific product, so check performance claims against the manufacturer's test data for the exact configuration you are buying. Prices are 2026 guides for supply and install, excluding VAT, confirmed after a free site survey.
| Factor | Metal stud partition | Demountable partition |
|---|---|---|
| Guide price per m² | £55–£90 | £180–£320 |
| Finish | Taped, filled and decorated on site | Factory finished panels |
| Wet trades and dust | Yes, jointing and sanding | Minimal |
| Reuse | Not practical | Can be relocated and reconfigured |
| Typical lead time to start | 1–2 weeks | 2–4 weeks, system dependent |
| Time on site | Longer, includes drying and decoration | Shorter, dry installation |
| Acoustic potential | High with acoustic build-ups | Good, system dependent |
| Dilapidations | Usually removed at lease end | Taken down and reused or removed |
Which is quicker to install?
Stud partitions can usually start sooner, typically within 1–2 weeks of order because the materials are stock items, but they take longer on site. Framing and boarding are quick, but taping, jointing, drying, sanding and decoration add several days and create dust, which matters in an occupied office. Demountable systems need a little longer to manufacture, then install as a dry process with less mess, fewer trades and a cleaner handover. For occupied offices, time without dust or paint smell is often worth as much as time saved overall.
How does lease length affect the choice?
Lease length is one of the strongest factors. On a long lease with a stable layout, stud partitions give the lowest cost per m² and are easy to decorate, fix shelving to and modify. On a short lease, or where a break clause is likely to be used, the partitions are likely to be removed at the end of the term under your dilapidations obligations, so paying for a system you can take with you starts to make sense.
Talk to your landlord before choosing. Some landlords accept demountable partitions remaining in place at lease end if they suit the next occupier, while others insist on full reinstatement. Your licence for alterations will normally state whether the partitions must be removed, and that decision affects the true cost of each option.
Can you combine demountable and stud partitions?
Yes, and many offices do. A common approach is to use stud walls for permanent elements such as toilet cores, comms rooms and kitchens, and demountable or glass partitions for meeting rooms and team offices that may change. Glass partitions also sit naturally alongside stud walls, with stud forming the back and side walls of rooms and glass forming the corridor face. Mixing systems keeps cost down while protecting flexibility where you actually need it.
- Stud for toilets, comms rooms, plant and kitchens
- Demountable for team offices and reconfigurable rooms
- Glass for corridor faces and meeting rooms needing daylight
- Acoustic stud for back walls of confidential rooms
Frequently asked questions
Are demountable partitions as soundproof as stud walls?
They can be close, but it depends on the system. A single-layer stud wall with insulation typically reaches 40–45 dB Rw in the lab, and double-layer acoustic stud reaches 50–58 dB. Demountable systems vary widely, so ask for the test report for the exact panel build you are buying.
Can demountable partitions be moved to a new office?
Yes, that is their main advantage. The system is taken down, packed and rebuilt in the new layout. Relocation typically costs 35–60% of the price of new, depending on how much can be reused and whether new panels or glass are needed for different ceiling heights.
Do stud partitions need decorating?
Yes. After boarding, the joints are taped, filled and sanded, then the wall is primed and painted. Some quotations include decoration and some do not, so check the scope. Decoration adds time on site and should be allowed for when planning a move-in date.
Which is better for a short lease?
Demountable partitions are often better value on a short lease, because they can be removed at lease end and reused rather than stripped out as waste. Stud partitions cost less up front, so the right choice depends on the lease terms, the likelihood of moving and your landlord's reinstatement requirements.
Guide prices are supply and install, excluding VAT, and are confirmed by a fixed quote after a free site survey. Regulatory information is general guidance; your Building Control body, landlord or fire engineer has the final say on a specific project.