200 High Street Rickmansworth Hertfordshire WD3 1BD

1. 24 Mar 2026

   Received by Three Rivers

2. 25 Mar 2026

   Validated

   Checked as complete and ready for consideration.

3. 13 May 2026

   Decision issued: approved

4. 19 Aug 2026

   Added to PlanIndex

Three Rivers granted permission on 13 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 194C High Street Rickmansworth WD3 1BD

  19/0402/FUL Submitted 1 Mar 2019 50 yards away

  Loft conversion including hip to Dutch hip extension, first floor rear extension including rear gable extension to roof, insertion of rooflights and alterations to external materials.

  Withdrawn Full applications Extension Loft or dormer 12 docs

• 194C High Street Rickmansworth Hertfordshire WD3 1BD

  22/2220/FUL Submitted 29 Nov 2022 50 yards away

  Demolition of existing garage and erection of new replacement garage; construction of first floor rear extension and loft conversion including roof alterations with side and rear rooflights; alterations to fenestration and alterations to external materials

  Granted Full applications Extension Loft or dormer +3 13 docs

• 251 High Street Rickmansworth Hertfordshire WD3 1BQ

  25/0417/FUL Submitted 6 Mar 2025 50 yards away

  Partial conversion of existing garage including insertion of rooflights.

  Granted Full applications Loft or dormer 16 docs

• Hunters Lodge 196 High Street Rickmansworth Hertfordshire WD3 1BD

  22/1528/TCA Submitted 9 Aug 2022 50 yards away

  T1 - Holm Oak - Crown reduce by 2 metres in height and 2 metres in spread, leaving a finished height of 12 metres and spread of 3 metres on all aspects, due to close proximity to neighbouring property. Crown is encroaching on neighbouring building and care home front grounds. T2 - Lime - Repollard back to previous pruning points at 9 metres in height, due to lapsed pollard cycle. Crown is encroaching on neighbouring property and care home front grounds.

  Granted Trees 8 docs

• 194A High Street Rickmansworth Hertfordshire WD3 1BD

  24/0926/FUL Submitted 11 Jun 2024 50 yards away

  Construction of single storey rear extension, erection of dropped kerb, partial demolition of front boundary wall to allow vehicular access, alterations and extension to front driveway, retaining wall with associated landscaping works

  Granted Full applications Extension Demolition 9 docs
  Small domestic

• Rosebank Cottages 190 High Street Rickmansworth Hertfordshire WD3 1BD

  22/0693/FUL Submitted 11 Apr 2022 100 yards away

  Single storey side and rear extension and new flank door

  Granted Full applications Extension 14 docs
  Small domestic

• 26/1409/CLED Awaiting decision

  44 Wolsey Road Moor Park Northwood Hertfordshire HA6 2EN

  Certificate of Lawfulness Existing Development: Construction of an outbuilding

  Received 3 Sep, published by the council 7 Sep 2026 Lawful development
• 26/1382/CLPD Awaiting decision

  1 Wyatts Lodge Solesbridge Lane Chorleywood Rickmansworth Hertfordshire WD3 5SW

  Certificate of Lawfulness Proposed Development: Installation of external heating and cooling pump

  Received 31 Aug, published by the council 7 Sep 2026 Lawful development
• 26/1035/CLPD Granted

  90 Sherborne Way Croxley Green Rickmansworth Hertfordshire WD3 3PG

  Certificate of Lawfulness Proposed Development: lLoft conversion including hip to gable extension, rear dormer, and front rooflights and window to side elevation.

  Received 25 Jun, published by the council 24 Jul 2026 Lawful development
• 26/1004/CLPD Granted

  39 Bishops Avenue Northwood HA6 3DD

  Certificate of Lawfulness Proposed Development: Conversion of garage to habitable accommodation

  Received 19 Jun, published by the council 24 Jul 2026 Lawful development
• 26/0973/CLPD Granted

  125 Windmill Drive Croxley Green Rickmansworth Hertfordshire WD3 3FB

  Certificate of Lawfulness Proposed Development: Loft conversion including rear dormer and front rooflights.

  Received 15 Jun, published by the council 24 Jul 2026 Lawful development