70 Hillside Avenue Borehamwood Hertfordshire WD6 1HL Data via plota.co.uk
Proposal
Single storey rear extension. Depth: 6.00m, Height: 3.75m, Eaves: 2.75 m. Data via plota.co.uk
Application progress
Approved on 25 Jun 2026 · Delegated Decision · Last checked 6 Jul 2026
Documents 12
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 8
Application forms 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 3
Last sold for £501,000 in January 2020. Semi-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 June 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in Hertsmere - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
Nearby new applications
57 Bullhead Road Borehamwood Hertfordshire WD6 1HP
Single storey front extension to include replacement entrance steps with railing...
99 - 101 Shenley Road Borehamwood Hertfordshire WD6 1AG
Alterations to existing ground-floor front window to form a new pedestrian door.
99 - 101 Shenley Road Borehamwood Hertfordshire WD6 1AG
Installation of air condenser unit at ground floor level.
Fairbanks Studios Eldon Avenue Borehamwood Hertfordshire WD6 1JF
Application for approval of details reserved by condition 14 (commerical kitchen...
32 Bullhead Road Borehamwood Hertfordshire WD6 1HS
Single storey rear extension and front porch.
32 Bullhead Road Borehamwood Hertfordshire WD6 1HS
Conversion of loft to habitable space to include hip to gable roof alterations, ...
Important details
- Council
- Hertsmere
- Application type
- PD- Prior Approval 42 day (Hsehold ext)
- Postcode
- WD6 1HL
- Received
- 12 Mar 2026
- Validated
- 12 Mar 2026
- Ward
- Borehamwood Hillside
- Parish
- Elstree & Borehamwood Town Council
- Case officer
- Show
- Target decision
- 26 Jun 2026
- Decision
- PD42 -Prior Approval Given
- Decision date
- 25 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Matteo Sarno Architecture
How this decision compares
Decided in 105 days from validation, 50 days slower than Hertsmere's median of 55 for extensions. Approved, as 86% of extensions here are.
Plota live figures for extensions decided by Hertsmere in the last twelve months, from validation. Hertsmere decision record →
Consultation & key dates
- Alt. reference
- PP-14765573
- Planning Portal ref
- PP-14765573
- Neighbours
- 26 Jun 2026
- Consultation
- 19 Mar 2026
- Comments by
- 11 Jun 2026
- Statutory expiry
- 26 Jun 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Hertsmere is slower than most councils at deciding householder applications, ranking #243 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (94%) 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.
Track this application
70 Hillside Avenue Borehamwood Hertfordshire WD6 1HL
Tracking this application
Not there in a minute? Check junk - especially Hotmail and Outlook.
Go to your dashboard →Sign in to view contact details
Applicant and case-officer names are hidden from public view for privacy. Create a free Plota account - or sign back in - and we'll show them, plus you get a dashboard for alerts and tracked applications.