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Planning application

7 Silverthorn Drive Hemel Hempstead Hertfordshire HP3 8BU

Granted Dacorum 21/02557/FHA Full Householder Application

Works: Extension Loft or dormer Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Part single storey rear extension, raising of ridge and conversion of roof space into habitable accommodation. Insertion of dormer windows to rear roof slope, and inset terrace to front roof slope. Part conversion of existing garage, reduction of land to rear of garage to form sunken courtyard. Changes to fenestration and external materials. New boundary wall to front of property.

As published by the council, reference 21/02557/FHA

Application record

Reference
21/02557/FHA
Type
Full Householder Application
Status
Granted
Decision
Granted As published: Grant Permission/Consent
Received
23 Jun 2021
Validated
23 Jun 2021
Decided
10 Aug 2021
Ward
Nash Mills
Parish
Nash Mills Parish Council
Decision by
Delegated Decision
Postcode
HP3 8BU

Timeline

Dates from the published record

  1. 23 Jun 2021

    Received by Dacorum

  2. 10 Aug 2021

    Decision issued: Grant Permission/Consent

  3. 9 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Argento Design Studio Ltd Agent, a design practice registered in Welwyn

Active · incorporated 2008 · Welwyn

13 applications on PlanIndex · across 3 councils · 85% granted

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Documents

Plans, drawings, consultee responses and the officer's report

16 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

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What this grant of permission means

Dacorum granted permission on 10 August 2021, 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.

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

  • 2 Silverthorn Drive Hemel Hempstead Hertfordshire HP3 8BU

    21/01416/FHA Submitted 2 Apr 2021 150 yards away

    Part two storey part single storey side/rear extensions, single storey extension to garage. Alterations to driveway. Change of materials for elevations, windows, doors and roof coverings

    Granted Householder Extension Windows or glazing 7 docs
    Small domestic

  • 17 Silverthorn Drive Hemel Hempstead Hertfordshire HP3 8BU

    26/01453/DRC Submitted 26 Jun 2026 150 yards away

    Details required by Condition 4 (Landscaping and Levels) attached to planning permission 24/02759/FHA

    Granted Conditions 11 docs

  • 17 Silverthorn Drive Hemel Hempstead Hertfordshire HP3 8BU

    26/00903/DRC Submitted 17 Apr 2026 150 yards away

    Details as required by condition 4 ( Hard and soft landscaping) attached to planning permission 24/02759/FHA

    Refused Conditions 10 docs

  • 35 Longdean Park Hemel Hempstead Hertfordshire HP3 8BZ

    24/02147/LDP Submitted 24 Sep 2024 150 yards away

    Proposed single storey rear extension

    Granted Lawful development Extension 6 docs
    Small domestic

  • 33 Longdean Park Hemel Hempstead Hertfordshire HP3 8BZ

    23/00942/DRC Submitted 14 Apr 2023 150 yards away

    Details as required by conditions 2 (materials), 5 (tree protection measures) and 6 (hard and soft landscaping) attached to planning permission 23/00331/FUL (Demolition of existing two storey dwelling and construction of proposed two storey dwelling with room in roof and single storey garden summer house)

    Granted Conditions Demolition Trees 6 docs
    Small domestic

  • 33 Longdean Park Hemel Hempstead Hertfordshire HP3 8BZ

    23/00331/FUL Submitted 7 Feb 2023 150 yards away

    Demolition of existing two storey dwelling and contruction of proposed two storey dwelling with room in roof and single storey garden summer house

    Granted Full applications Demolition 16 docs
    Small domestic

In Dacorum

  • 26/01793/FHA Granted

    62 Granville Road Northchurch Hertfordshire HP4 3RN

    Two storey rear extension

    Received 18 Aug, published by the council 27 Aug 2026 Householder
  • 26/01947/FHA Granted

    22 Meadow Close Tring Hertfordshire HP23 5BT

    Demolition of existing rear and side extensions, construction of part single- and part two-storey rear/side extensions, and alterations to the front entrance and windows.

    Received 8 Sep, published by the council 21 Sep 2026 Householder
  • 26/02173/FHA Awaiting decision

    16 Friars Walk Tring Hertfordshire HP23 4AY

    Single storey wrap-around front, side and rear extension with deck/terrace area and privacy screen to rear. Demolition of existing garage.

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/02176/FHA Awaiting decision

    5 Olivers Close Potten End Hertfordshire HP4 2SL

    Construction of a single-storey rear infill extension adjoining the existing side/rear extension.

    Received 7 Oct, published by the council 9 Oct 2026 Householder
  • 26/01801/FHA Granted

    150 Chaulden Lane Hemel Hempstead Hertfordshire HP1 2BT

    Gable end loft conversion with a front facing dormer window and garden room/ gym to the rear garden

    Received 18 Aug, published by the council 27 Aug 2026 Householder