Change of use applications in Three Rivers

There were 47 change of use applications in Three Rivers in the last 12 months. All 17 decided so far were approved. Change of use covers conversions between planning use classes: shops to flats, offices to homes, houses to HMOs or care homes.

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Showing 19 of 19 applications
5 Oct 2026 Pending Consideration 26/1193/PDA

Great Sarratt Hall Farm The Green Sarratt Hertfordshire

Prior Approval: Change of use of existing agricultural building to two residential dwellings with operational works and extension to building and asso...

PD - COU of Agricultural Three Rivers
1 Oct 2026 Pending Consideration 26/1534/FUL

17 Bateson Drive Leavesden Watford Hertfordshire WD25 7ND

Change of use from Class C3 (dwellinghouse) to sui generis short-stay visitor accommodation; installation of bike storage

Full Application Three Rivers
29 Sept 2026 Pending Consideration 26/1462/PDM

The Lodge Old Chorleywood Road Rickmansworth Hertfordshire WD3 4EH

Prior Approval: Change of use from a physiotherapy practice (Class E) to a single dwelling (Class C3)

Commercial, business, service to Resi Three Rivers
23 Sept 2026 Pending Consideration 26/1513/FUL

Cafeteria Rickmansworth L T E Station Station Approach Rickmansworth Hertfordshire WD3 1QY

Change of use from cafe (Class E) to convenience store (Class E) including internal and external alterations

Full Application Three Rivers
17 Sept 2026 Pending Consideration 26/1413/RSP

Hazelwood House Old Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5ST

Retrospective: Change of use of the use of the existing detached ancillary outbuilding for short term guest accommodation

Retrospective application Three Rivers
16 Sept 2026 Pending Consideration 26/1475/PDM

13 Church Street Rickmansworth Hertfordshire WD3 1BX

Prior Approval: Change of Use of First Floor (Class E) into a single self-contained dwelling (Use Class C3)

Commercial, business, service to Resi Three Rivers
16 Sept 2026 Pending Consideration 26/1453/CLPD

73 The Queens Drive Mill End Rickmansworth Hertfordshire WD3 8LS

Certificate of Lawfulness Proposed Development: Conversion of store into habitable accommodation and alterations to the fenestration

Certificate of Lawfulness - Proposed Use Three Rivers
15 Sept 2026 Pending Consideration 26/1461/CLPD

121 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LT

Certificate of Lawfulness Proposed Development: Construction of rear dormer and conversion of garage/store into habitable accommodation

Certificate of Lawfulness - Proposed Use Three Rivers
3 Sept 2026 Pending Consideration 26/1263/RSP

17 Edson Close Leavesden Watford Hertfordshire WD25 7BX

Retrospective: Conversion of garage into habitable accomodation; alterations to the fenestation and alterations to driveway.

Retrospective application Three Rivers
25 Aug 2026 Pending Consideration 26/1350/FUL

26 Ebury Road Rickmansworth Hertfordshire WD3 1BN

Conversion of ground floor storage space to habitable accommodation; alterations to the fenestration

Full Application Three Rivers
25 Aug 2026 Pending Consideration 26/1242/PDA

Moonshine Farm Bragmans Lane Sarratt HP3 0PL

Prior Approval: Change of use of existing agricultural barn to one self contained residential dwelling with associated parking

PD - COU of Agricultural Three Rivers
21 Aug 2026 Pending Consideration 26/0753/FUL

First And Second Floors 97 High Street Rickmansworth Hertfordshire WD3 1RB

Change of use of third floor from an office (Class E) to a 2 x 1 Bedroom Apartments (Use Class C3)

Full Application Three Rivers
21 Aug 2026 Pending Consideration 26/1324/CLPD

Former Sportsman Hotel Station Approach Chorleywood Hertfordshire

Certificate of Lawfulness Proposed Development: Change of use from Class E(c)(iii) to Class E(b)

Certificate of Lawfulness - Proposed Use Three Rivers
20 Aug 2026 Pending Consideration 26/1188/FUL

Unit 6, Unit 7 And Unit 8 Century Court Tolpits Lane Watford Hertfordshire WD18 9RS

Construction of three storeys to existing building; change of use of units 6 and 8 from Class E to Class C3; construction of 26 self-contained residen...

Full Application Three Rivers
14 Aug 2026 Awaiting decision 26/0849/FUL

Land At Long Spring Sarratt Lane Loudwater Hertfordshire

Change of use of land to use as a residential caravan site comprising 2no. Gypsy/Traveller pitches, each accommodation 2 caravans including no more th...

Full Application Three Rivers
14 Aug 2026 Pending Consideration 26/1017/FUL

Land South Of Old House Lane Kings Langley Hertfordshire WD4 8RR

Part retrospective: Change of use of land for use as a residential caravan site, providing a total of 6 pitches, alterations to hardstanding and erect...

Full Application Three Rivers
4 Aug 2026 Decided 14 Sep 26/1266/EIAS

Land South Of Maple Cross East Of M25 And West Of Denham Way Maple Cross Hertfordshire

Environmental Impact Assessment Scoping Opinion Request - Development and erection of a residential led, mixed use development comprising: residential...

EIA Scoping Request Three Rivers
28 Jul 2026 Pending Consideration 26/1072/LBC

Providence Hall The Green Croxley Green Rickmansworth Hertfordshire WD3 3HT

Listed Building Consent: Demolition and replacement of existing garage; construction of a single storey rear extension to existing dwelling and demoli...

Full Application Three Rivers
28 Jul 2026 Pending Consideration 26/1127/FUL

Providence Hall The Green Croxley Green Rickmansworth Hertfordshire WD3 3HT

Demolition and replacement of existing garage; construction of a single storey rear extension to existing dwelling and demolition of existing storage ...

Full Application Three Rivers
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Frequently asked questions

Do you need planning permission to run an HMO?
A small HMO (3-6 unrelated tenants, Class C4) usually doesn't need planning permission unless the area has an Article 4 direction. Larger HMOs (7+ tenants, 'sui generis') almost always need a full planning application.
What is Class E in planning?
Class E is the flexible commercial use class introduced in September 2020. It covers shops, offices, cafes, restaurants, gyms, clinics, nurseries and light industry. You can change uses freely within Class E without planning permission.
Can you convert offices to flats without planning permission?
Class MA permitted development rights let you convert Class E premises (including offices) to residential (Class C3) via a prior-approval application rather than full planning permission. Limits apply: max 1,500m², not in conservation areas or AONBs without additional consent.
Can I get email alerts for new change of use applications in Three Rivers?
Yes. Click "Set up alerts" on this page and you'll get a daily or weekly email listing every new change of use application published by Three Rivers. You can also narrow the alert to a postcode, street, or drawn area.

We check Three Rivers's planning portal daily. New change of use applications appear here within a day of being published.