Hot tub planning trends

The hot tub planning index stands at 289: almost three times its 2016 share, 4% below its 2021 peak and up from a 2024 low.

289Planning index (2016 = 100)About 2.9 times its 2016 share
158Applications, past 12 monthsOctober 2025 to September 2026
1,466Applications since 2016across the UK
up 2.9 timesShare of applications, vs 2016past 12 months against 2016
up 19%Share of applications, vs 2023past 12 months against the same months three years earlier
up 12%Change in shareQ3 2026 against Q3 2025

Hot tub applications since 2016

Hot tub applications in every 10,000 planning applications, over the 12 months to each month

How this is measured

Share back near the 2021 high

Applications peaked at 242 in the 12 months to December 2021, fell to 110 in the year to April 2024 and are back to 158. The hot tub planning index stands at 289 against a peak of 303: almost three times the 2016 share.

Q3 2026 against a year earlier

Councils received 43 hot tub applications in Q3 2026: 4.2 in every 10,000 applications, against 3.7 in Q3 2025, a share of all applications 12% higher than a year earlier.

Hot tub applications each quarter

43 in Q3 2026, against 41 a year earlier.

Source: Plota analysis of council registers

Out of every 10,000 applications

As a share of every application: 4.2 in every 10,000 in Q3 2026, against 3.7 a year earlier.

Source: Plota analysis of council registers

Where hot tub applications concentrate

Latest hot tub applications

Questions

How many hot tub planning applications are there in the UK?

Councils have received 1,466 since January 2016, 158 of them in the 12 months to September 2026. Their share peaked in the 12 months to December 2021.

Which councils receive the most hot tub applications?

North Yorkshire, Wiltshire and Cornwall have received the most since 2016.

Are hot tub planning applications rising?

Yes, as a share. Councils received 158 in the 12 months to September 2026, and the hot tub share of applications was 19% higher than three years earlier. The hot tub planning index peaked in December 2021.

Why do so few hot tubs appear in planning records?

A garden hot tub is usually treated as an outbuilding under permitted development. Listed buildings, conservation areas and structures built around a tub are the usual exceptions. These figures count applications, not tubs.

Home improvementsUK Planning IndexDownload the Q3 2026 report (PDF)

About Plota

Plota is the UK's most visited planning search, according to Similarweb. It shows every new planning application from every UK council, read daily from 390 planning registers, with past applications back to 2016 from more than 420 registers, including those of councils since merged. It also covers planning committee decisions, HMO licences and premises licences.

How this is measured

What needs an application

A garden hot tub is usually permitted development. Tubs at listed buildings or in conservation areas, and structures built around a tub, need planning permission.

Methodology

Sources

  1. A garden hot tub is usually treated as an outbuilding under permitted development, with exceptions for listed buildings, conservation areas and enclosing structures. interactive.planningportal.co.uk