Planning application
Grove House 21 Shenley Hill Radlett Hertfordshire WD7 7AT
Withdrawn before a decision, so it carries no planning weight. A revised scheme can be submitted at any time.
Proposal
Construction of a single-storey detached garden room to the rear of the existing dwelling. The building has been designed to provide flexible ancillary accommodation to serve the main dwelling, incorporating a golf simulator, pilates studio, kitchen, living/dining area, bedroom, en-suite bathroom, WC, and store.
As published by the council, reference 26/0398/HSE
Application record
- Reference
- 26/0398/HSE
- Type
- Householder Application
- Status
- Decided
- Decision
- Withdrawn As published: Application Withdrawn
- Received
- 25 Mar 2026
- Validated
- 25 Mar 2026
- Decided
- 28 Apr 2026
- Ward
- Aldenham East
- Parish
- Aldenham Parish
- Decision by
- Delegated Decision
- Postcode
- WD7 7AT
Site history
Applications at this address on the Hertsmere register
This site has had 2 applications since 2026.
-
26/0774/HSE Awaiting decision
Grove House 21 Shenley Hill Radlett Hertfordshire WD7 7AT
Construction of single storey outbuilding.
Timeline
Dates from the published record
-
25 Mar 2026
Received by Hertsmere
-
28 Apr 2026
Decision issued: Application Withdrawn
-
9 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
CMI Architecture Limited Agent, an architecture practice registered in Milton Keynes
Active · incorporated 2013 · Milton Keynes
49 applications on PlanIndex · across 11 councils · 95% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
25 documents on file for this application
- Consultee comment submitted online
- Proposal
- Applicationform
- Applicationformredacted
- Feecalculation
- Attachmentsummary
- Amendmentsummary
- A25-078-da001--- design statement
- A25-078-lp001--- location plan
- A25-078-pl001--- existing site plan
- A25-078-pl002--- proposed site plan
- A25-078-pl003--- proposed floor plan
- A25-078-pl004--- proposed elevations
- Elevation (rear) - proposed_included_in_elevation (front) - proposed
- Elevation (side) - proposed_included_in_elevation (front) - proposed
- A25-078-pl005--- street scene elevation
- Arboricultural method statement - 21 shenley hill radlett herts wd7 7at
- 21 shenley hill radlett hertfordshire - tree protection plan - tpp-21shrh-010 a
- Application form redacted
- Design statement
- Location plan
- Existing site plan
- Proposed site plan
- Proposed floor plan
- Proposed elevations
Watch members (£5 a month) open the document list from here.
Open the documentsWhat withdrawal means
The applicant withdrew this application before Hertsmere decided it, and is free to submit a revised scheme at any time. More in our guide to what happens after a planning decision.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Grove House 21 Shenley Hill Radlett Hertfordshire WD7 7AT
92% historically approved · decision due ~30 Jul
Construction of single storey outbuilding.
Awaiting decision Householder 16 docsSmall domestic -
2A Aldenham Grove Radlett Hertfordshire WD7 7BN
83% historically approved · decision due ~7 Apr
Demolition of dwelling at 2a and garage at 4 with plot alterations to allow for construction of replacement 6x bed dwelling basement level garage and swimming pool in rear garden. Associated landscaping to include front boundary works and new vehicle access (as amended by plans and documents received on 04.06.2026)
Awaiting decision Full applications Demolition 36 docsDomestic -
2 Hillside Road Radlett Hertfordshire WD7 7BH
Construction of single storey side extension (retrospective application).
Granted Householder Extension 11 docsSmall domestic -
Hightrees Aldenham Grove Radlett Hertfordshire WD7 7BN
T16 MOUNTAIN ASH. Fell. T2 BEECH. Reduce to previous points by 1.5m. From 17m to 15.5m height and 6m to 4.5m spread. T18 MAPLE. Reduce back to previous pointsapprox 2m. from 10m to 8m height and 4m to 2m spread.
Refused Trees 8 docs -
4 - 6 Aldenham Grove Radlett Hertfordshire
87% historically approved · decision due ~7 Apr
Demolition of existing dwellings, boundary alterations and erection of two replacement dwellings (as amended by plans and documents received on 04.06.2026) (Outline application with all matters reserved)
Awaiting decision Outline Demolition 26 docs -
Other householder applications
In Hertsmere
-
26/0805/HSE Granted
Rydal Mount Lodge Baker Street Potters Bar Hertfordshire EN6 2BP
Demolition of existing conservatory to facilitate construction of single storey rear extension and front porch extension.
-
26/1218/HSE Refused
22 The Grove Radlett Hertfordshire WD7 7NF
Conversion of garage to habitable space with window to replace garage door and new pitched roof, construction of first floor side extension and part single, part two storey rear extension with insertion of 1x side rooflight, alterations to fenestration and front hard landscaping.
-
26/1253/HSE Granted
159 Arundel Drive Borehamwood Hertfordshire WD6 2LZ
Construction of single storey rear extension with pitched roof and 3x rooflights, and alterations to fenestration.
-
26/1250/HSE Granted
3 The Walk Potters Bar Hertfordshire EN6 1QL
Single storey side extension following demolition of existing detached garage and shed.
-
26/1075/HSE Granted
7 Belmor Elstree Borehamwood Hertfordshire WD6 3JX
Proposed boundary treatments to the rear of the property including replacement fence.