Building Project Timelines

Whether you’re considering a kitchen refit or a loft conversion and ground floor wrap-around extension, one of the first questions you’ll be asking is, “how long do building projects take?”

We’ve laid out a few timelines below, based on our collective experience in the building trade. Timings can change due to shipping disruption, illness and economic changes so we’ll attempt to keep this guide as up to date as possible so you know you’re getting the current timelines.

How long building projects take

These timelines are based on construction and do not include planning processes which can add months to a project before building begins.

Why it is worth knowing a rough timeline

Most of us can handle living with a bit of building work happening while at home but when it feels like it’s taking longer than it should it can get annoying. This is especially relevant if the work starts to affect your general quality of life, being without a bathroom for a fortnight might be fine but being without a kitchen or a roof for 2 months might be more than you can bear. If you have a rough timeline from your builder it will help you plan and also give you something to go back to them with as the deadline gets closer. For how to plan to live with construction work, we have a blog dedicated to just that subject and we’ll update this article with it soon!

How much time should I add to a builder’s quote?

Just as having a financial buffer in your project budget is wise, you should consider what you will do if a build runs over time. Builds frequently overrun due to all manner of circumstances beyond our control (see below) so realistically it’s worth building about 20% into your expectations. Don’t invite the in-laws to stay in your new loft room until it’s actually finished!

What can cause delays to building work being finished?

Supply chain delays - everything from Brexit to pirates in the Gulf of Aden have caused significant delays to deliveries for the past few years, this is something no builder can control, all we can do is order as soon as possible and keep you updated.

Illness - sickness happens but we’ll always try to find other staff to keep your project on track, and we’ll let you know what’s happening throughout.

Poor weather - this has ramifications mostly for external work, but if you’re having any plastering or painting included in your project wet weather can cause delays in drying time due to moisture in the air. If it’s a loft conversion we recently invested in a “tin hat” to keep the weather out which has helped us keep working even in the wettest of weather!

World events - global pandemics, regional wars, even a UK general election can be enough to impact deliveries and staff levels. We’ll keep you up to date so you’ll know that we’re doing our best to keep your project on time.

Timelines are very personal to each job. With a kitchen extension for example, construction can take 8 weeks to make it water tight but it can take 8 more to finish and decorate, depending on the level of detail the homeowner goes into.

My favourite way to work with someone is to develop a relationship over time.

People can get detached from their homes when construction is fast.

I would rather spend years working across multiple projects than hit everything over 6-9 months.

If it’s your forever home what does it matter if it’s done in 4 years rather than 6 months?

More time allows for discussion and creativity. You learn what you can handle by doing one element at a time and that allows our relationship to build.
— Tijs Bauer
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What to Expect from a Loft Conversion