18 Whitewaits Harlow Essex CM20 3LJ Data via plota.co.uk
Proposal
Construction of a single-storey rear extension and loft conversion incorporating a rear-facing box dormer, removal of chimney Data via plota.co.uk
Application progress
Approved on 22 Sept 2026 · Delegated Decision · Last checked 23 Sept 2026
Documents 8
Decision & officer reports 2
Plans & drawings 5
Site constraints 2
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 1
Last sold for £300,000 in June 2026. Terraced 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 April 2026, the latest held for this property. The building may have changed since. View the certificate
Every application in Harlow - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Harlow
- Application type
- Lawful Development Cert - Proposed
- Postcode
- CM20 3LJ
- Received
- 5 Aug 2026
- Validated
- 5 Aug 2026
- Ward
- Netteswell South
- Case officer
- Show
- Target decision
- 30 Sept 2026
- Decision
- Would Be Lawful Use/Development
- Decision date
- 22 Sept 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Robert Blake Designs
How this decision compares
Decided in 48 days from validation, 4 days faster than Harlow's median of 52 for extensions. Approved, as 90% of extensions here are.
Plota live figures for extensions decided by Harlow in the last twelve months, from validation. Harlow decision record →
Public comments
No public comments yet.
Last counted 23 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15135770
- Planning Portal ref
- PP-15135770
- Statutory expiry
- 30 Sept 2026
- Env. assessment
- No
Historical activity at this location
22 nearby applications on record - archival context, not part of the live application.
Nearby activity
Harlow ranks #138 out of 296 councils for householder decision speed. Harlow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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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18 Whitewaits Harlow Essex CM20 3LJ
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