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Planning application

18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

Refused Three Rivers 24/2048/FUL Full Application

Works: Extension Loft or dormer Demolition Windows or glazing Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Partial demolition and construction of part single, part two storey rear extension, front porch extension, loft conversion including two rear dormers; part demolition of garage and construction of single storey front extension to existing garage to integrate with dwelling with increase in height of roof of garage and first floor accommodation served by rear dormer; internal alterations and alterations to fenestration.

As published by the council, reference 24/2048/FUL

Application record

Reference
24/2048/FUL
Type
Full Application
Status
Decided
Decision
refused
Received
20 Dec 2024
Validated
7 Jan 2025
Decided
3 Mar 2025
Ward
Moor Park And Eastbury
Parish
Batchworth Community Council
Decision by
Delegated Decision
Postcode
HA6 2LW

Site history

Applications at this address on the Three Rivers register

This site has had 5 applications since 2023: 1 approved, 2 refused.

  • 26/1304/TCA Awaiting decision

    18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    TG1 Cypress (Leyland) Remove TG2 Thuja Remove the closest x5 trees to the righthand flank of the subject property The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.to 12 Bedford Road Northwood HA6 2AZ

    Submitted 14 Aug 2026 Trees
  • 25/1178/FUL Withdrawn

    18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    Demolition of existing garage and construction of part single, part two storey side and rear extension; first floor extension over garage including rear dormer window; loft conversion including rear dormer windows; erection of rear juliet balcony and front porch extension, internal alterations, alterations to rear patio and front driveway, with associated landscaping works

    Decided 9 Sep 2025 Full applications
  • 24/1324/DDD Granted

    18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    Willow Tree - Fell

    Decided 28 Aug 2024 Trees
  • 23/1230/FUL Refused

    18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    Substantial demolition of existing dwelling and detached garage and construction of two storey front and rear extensions, first floor side extension, front porch, roof extensions including an increase in ridge height and associated alterations to patio, driveway, parking and landscaping works.

    Decided 24 Oct 2023 Full applications

Timeline

Dates from the published record

  1. 20 Dec 2024

    Received by Three Rivers

  2. 7 Jan 2025

    Validated

    Checked as complete and ready for consideration.

  3. 3 Mar 2025

    Decision issued: refused

  4. 19 Aug 2026

    Added to PlanIndex

Documents

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

21 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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Open the documents

What this refusal means

Three Rivers refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 500 metres

  • 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    23/1230/FUL Submitted 20 Jul 2023 1m away

    Substantial demolition of existing dwelling and detached garage and construction of two storey front and rear extensions, first floor side extension, front porch, roof extensions including an increase in ridge height and associated alterations to patio, driveway, parking and landscaping works.

    Refused Full applications Extension Roofing +1 20 docs
    Small domestic

  • 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    25/1178/FUL Submitted 8 Jul 2025 11m away

    Demolition of existing garage and construction of part single, part two storey side and rear extension; first floor extension over garage including rear dormer window; loft conversion including rear dormer windows; erection of rear juliet balcony and front porch extension, internal alterations, alterations to rear patio and front driveway, with associated landscaping works

    Withdrawn Full applications Extension Loft or dormer +2 26 docs
    Small domestic

  • 16 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    23/1613/DIS Submitted 22 Sep 2023 22m away

    Discharge of Condition 3 (Arboricultural Method Statement), Condition 4 (Construction and Demolition Method Statement) and Condition 5 (Materials) pursuant to planning permission 22/1160/FUL

    Decided Conditions Demolition 19 docs

  • 16 Thornhill Road Moor Park Hertfordshire HA6 2LW

    22/1160/FUL Submitted 16 Jun 2022 23m away

    Demolition of existing conservatory to the rear and construction of single storey side and rear extension and two storey rear extension including rear dormers.

    Granted Full applications Extension Loft or dormer +1 19 docs
    Small domestic

  • 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    26/1304/TCA Submitted 14 Aug 2026 38m away

    81% historically approved · decision due ~9 Oct

    TG1 Cypress (Leyland) Remove TG2 Thuja Remove the closest x5 trees to the righthand flank of the subject property The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.to 12 Bedford Road Northwood HA6 2AZ

    Awaiting decision Trees

  • 18 Thornhill Road Moor Park Northwood Hertfordshire HA6 2LW

    24/1324/DDD Submitted 18 Aug 2024 40m away

    Willow Tree - Fell

    Granted Trees 11 docs

In Three Rivers

  • 26/1384/FUL Awaiting decision

    Swandrift Trout Rise Loudwater Rickmansworth Hertfordshire WD3 4JZ

    Demolition of existing conservatory and construction of part single, part two storey rear extension, single storey side extension, extension to double garage to create first floor above with front/rear dormer windows; loft conversion including front/rear dormer windows and side/rear rooflights; construction of basement, rear balcony, new window to side elevation, patio extension and landscaping alterations including ramp.

    31 Aug 2026 Full applications
  • 26/1380/FUL Awaiting decision

    Crossley Wylde Loudwater Lane Loudwater Rickmansworth Hertfordshire WD3 3JD

    Installation of rooflights

    28 Aug 2026 Full applications
  • 26/1372/FUL Awaiting decision

    108 Winton Drive Croxley Green Rickmansworth Hertfordshire WD3 3QT

    Demolition of existing conservatory and side extension; construction of a single storey front, side and rear extension with rooflights

    27 Aug 2026 Full applications
  • 26/1365/FUL Awaiting decision

    Morningside Bridle Lane Loudwater Rickmansworth Hertfordshire WD3 4JB

    Construction of a single storey rear extension; conversion of garage into habitable accommodation; alterations to the fenestration

    25 Aug 2026 Full applications
  • 26/1358/FUL Awaiting decision

    251 Baldwins Lane Croxley Green Rickmansworth Hertfordshire WD3 3LH

    Variation of Condition 3 (Materials) Pursuant to planning permission 25/1526/RSP to allow alterations to materials.

    24 Aug 2026 Full applications