Trelawny 1 Ardross Avenue Northwood HA6 3DS Data via plota.co.uk
Proposal
Construction of first floor rear extension, partial conversion of existing garage into habitable accommodation and alterations to fenestration detail. Data via plota.co.uk
Application progress
Approved on 29 Jan 2026 · Delegated Decision · Last checked 3 Oct 2026
Documents 9
Decision & officer reports 1
Statements & assessments 1
Plans & drawings 5
Application forms 1
Consultation & comments 1
Site constraints 1
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £1,822,500 in December 2021. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in July 2021, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Three Rivers
- Application type
- Full Application
- Postcode
- HA6 3DS
- Received
- 19 Nov 2025
- Validated
- 8 Dec 2025
- Ward
- Moor Park And Eastbury
- Parish
- Batchworth Community Council
- Case officer
- Show
- Target decision
- 2 Feb 2026
- Decision
- approved
- Decision date
- 29 Jan 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 52 days from validation, about the council's usual 55 days. Approved, as 90% of full applications here are.
Plota live figures for full applications decided by Three Rivers in the last twelve months, from validation. Three Rivers decision record →
Public comments
No public comments yet.
7 neighbours consulted · Last counted 3 Oct 2026
Consultation & key dates
- Alt. reference
- PP-14500513
- Planning Portal ref
- PP-14500513
- Comments by
- 28 Jan 2026
- Statutory expiry
- 2 Feb 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Three Rivers is faster than most councils at deciding householder applications, ranking #30 out of 296. Only 24% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (91%) than the national average (90%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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Trelawny 1 Ardross Avenue Northwood HA6 3DS
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