The 7-Day vs 30-Day Stay: Cost Differences UK Procurement Should Track

If you are a UK procurement manager booking accommodation for an assignment, the question that matters is not “what is the nightly rate?” It is “what does the total cost of the stay look like once every item is added up?”

For stays under a week, hotels are usually the cheaper option. By the time you cross the two-week mark, serviced apartments tend to win. Past 30 nights, the gap is significant. The break-even point varies by provider and by city, but the pattern is consistent enough that understanding it can save your organisation a substantial amount across a full year of bookings.

This is a practical look at how the maths changes between a 7-day stay and a 30-day stay, what line items to track, and where the differences are largest.

The headline math

A typical 7-night stay in a serviced apartment in a UK regional city will cost somewhere in the region of £120 to £150 per night. A long-stay rate (28 nights or more) at the same property might come in at £85 to £100 per night. The headline nightly rate is therefore 30% to 40% lower for the longer stay.

That is the easy bit. The harder bit is what happens to the other costs when the stay length changes.

Where costs diverge between 7 and 30 nights

Cleaning and housekeeping

A 7-night stay usually includes a mid-stay clean on day 4 or 5. A 30-night stay typically includes a weekly clean, often with linen change. The cost of cleaning per night is similar in both cases, but the per-stay cost is higher for the longer stay because there are more cleans. It is usually a small percentage of the total.

Utilities

For a 7-night stay, utilities are absorbed into the nightly rate. For a 30-night stay, this is usually still the case with a serviced apartment, but it is worth checking. Some providers bill utilities separately for very long stays, which can complicate the cost comparison.

Food and food preparation

This is where the gap widens. A 7-night stay in a hotel usually means the guest is eating breakfast in the hotel, lunch out, and dinner out or via room service. The hotel breakfast alone, if not included, can add £10 to £15 per night to the cost the guest charges back.

A 30-day stay in a serviced apartment, by contrast, usually means the guest has a proper kitchen, does a weekly shop, and cooks most meals at home. The guest’s own food spend is meaningfully lower, and the employer does not pick up breakfast or room service charges.

Laundry

Hotel stays are short enough that guests generally send out laundry or wash a few items in the bathroom. For a 30-day stay, having a washing machine in the apartment is a meaningful difference. Guests stop sending laundry out, stops adding to the bill.

Travel between apartment and office

This is often the line item that surprises procurement teams. A 7-night hotel stay in a city centre might be near the client’s office. A 30-day stay in a serviced apartment is often slightly further out, where the rate is lower but the daily commute is longer. The cost of the commute (in time, in fuel, in train fares) is typically passed back to the employer in some form. This needs to be in the comparison.

Booking fees and admin overhead

For a 7-night stay, the booking fee is a small percentage of the total. For a 30-day stay, the same percentage fee on a larger total is more meaningful. This is the one cost that goes in the wrong direction.

What the total cost gap looks like in practice

For a fairly typical UK regional city booking, the patterns look like this:

Numbers vary, but the rank order is consistent: the longer stay is meaningfully cheaper once you account for the cost of the guest’s day-to-day living, not just the headline rate.

What procurement teams should track

If you want to make a fair comparison between a 7-day hotel and a 30-day serviced apartment, you need to be tracking all of the above, not just the headline rate. The simplest way to do this is to build a one-page template that includes:

• Headline accommodation cost
• Included meals (breakfast, half-board, none)
• Estimated cash spend by the guest on food outside the property
• Laundry spend
• Travel between property and office
• Booking fees
• Any one-off costs (key delivery, deposit, parking)

Run that template for two comparable stays and the difference is usually obvious.

The thresholds that matter

For stays under 7 nights, hotels usually win on cost. There is no point forcing a serviced apartment into a 3-night stay.

For 7 to 14 nights, the comparison is genuinely close. It depends on the city, the property, and whether the guest is travelling alone. There are good reasons to choose a serviced apartment here (kitchen, space, laundry) that are not purely financial.

For 14 to 28 nights, serviced apartments usually win on cost. The room rate gap is significant, and the daily living costs are lower.

For 28 nights and above, serviced apartments win clearly, often by 30% to 50% per night when all costs are tracked. This is the stay length where the model is most differentiated.

A practical rule of thumb

If your assignment is going to be 14 nights or longer, ask for a serviced apartment quote before booking a hotel. The quote will almost always come in lower once you include the living costs, and the guest experience will be better.

For shorter stays, the comparison is closer. Use the template above to make sure you are not leaving money on the table, but the headline rate matters more at this length.

What to ask your serviced apartment provider

If you are putting together a longer-stay programme, the key questions to ask any provider are:

• What is your 28-night rate, and what does it include?
• Is there a separate rate for stays over 60 or 90 nights?
• Are utilities, cleaning, and linen change included?
• Do you have a workspace (desk, monitor, reliable wifi) included in every property?
• How do you handle the cost of the guest’s commute to the office?
• What does your cancellation policy look like for stays over 30 nights?

The right provider will answer these clearly. If you are getting vague answers, the headline rate is likely to be the only honest number in the quote, and the rest will be added later.

The takeaway

A 7-day stay and a 30-day stay are not the same purchase, even when they are for the same guest in the same city. The cost gap is real, the saving is meaningful, and the comparison is straightforward once you know what to look for.

The biggest mistake UK procurement teams make is comparing the headline nightly rate and stopping there. The bigger mistake is booking a 30-day stay in a hotel that charges per night, with breakfasts, laundry, and room service added on. That is the option that costs the most, not the one that saves the most.

For UK organisations placing employees on assignments of two weeks or more, serviced apartments should be the default. Hotels are the exception, and they should be the deliberate choice.

Internal links

• Corporate housing services
• About Topstay and how we work with corporate accounts
• Get in touch about a corporate programme

Sources

1. Office for National Statistics, UK Business Travel and Accommodation Costs, 2024, https://www.ons.gov.uk
2. CIPD, Managing Long-Stay Assignments: A Practical Guide, 2024, https://www.cipd.org/uk
3. BCD Travel, 2025 Corporate Travel Outlook, https://www.bcdtravel.com/resources/blog/2025-travel-outlook
4. GBTA Foundation, Corporate Housing as a Strategic Accommodation Category, 2024, https://www.gbta.org/foundation
5. CWT, 2024 Corporate Travel Forecast, https://www.mycwt.com/insights
6. HRS Group, Hotel vs Serviced Apartment: A Cost Comparison for Long-Stay Travel, 2024, https://www.hrs.com
7. ARMA UK, Serviced Apartment Sector Performance Report, 2024, https://www.arma.org.uk
8. Topstay.uk internal data on 7-day vs 30-day assignments, anonymised, 2024 to 2025