Dacorum Borough Council · District council
Transport Statements and Assessments in Dacorum
What transport evidence a Dacorum planning application needs, the parking standards that apply, and the policies an assessment should address.
Which document do you need?
National policy asks for a Transport Statement or a Transport Assessment wherever a development will generate significant amounts of movement.
Transport Statement
A shorter document for smaller schemes where transport issues are limited: access, parking, trips and sustainable travel.
Transport Assessment
A full assessment for larger schemes: trip generation, network impact, junction capacity and mitigation.
Parking standards
The standards Dacorum Borough Council applies, taken from the source document below and checked against it row by row.
| Use | Area and size | Car parking |
|---|---|---|
| C3 Dwelling Houses – 1 bedroom (Allocated) | Zone 1 | 0.65 |
| C3 Dwelling Houses – 1 bedroom (Allocated) | Zone 2 | 0.80 |
| C3 Dwelling Houses – 1 bedroom (Allocated) | Zone 3 | 1.25 |
| C3 Dwelling Houses – 1 bedroom (Unallocated) | Zone 1 | 0.50 |
| C3 Dwelling Houses – 1 bedroom (Unallocated) | Zone 2 | 0.65 |
| C3 Dwelling Houses – 1 bedroom (Unallocated) | Zone 3 | 1.00 |
| C3 Dwelling Houses – 2 bedrooms (Allocated) | Zone 1 | 0.75 |
| C3 Dwelling Houses – 2 bedrooms (Allocated) | Zone 2 | 1.00 |
| C3 Dwelling Houses – 2 bedrooms (Allocated) | Zone 3 | 1.50 |
| C3 Dwelling Houses – 2 bedrooms (Unallocated) | Zone 1 | 0.60 |
| C3 Dwelling Houses – 2 bedrooms (Unallocated) | Zone 2 | 0.80 |
| C3 Dwelling Houses – 2 bedrooms (Unallocated) | Zone 3 | 1.20 |
| C3 Dwelling Houses – 3 bedrooms (Allocated) | Zone 1 | 1.15 |
| C3 Dwelling Houses – 3 bedrooms (Allocated) | Zone 2 | 1.50 |
| C3 Dwelling Houses – 3 bedrooms (Allocated) | Zone 3 | 2.25 |
| C3 Dwelling Houses – 3 bedrooms (Unallocated) | Zone 1 | 0.90 |
| C3 Dwelling Houses – 3 bedrooms (Unallocated) | Zone 2 | 1.20 |
| C3 Dwelling Houses – 3 bedrooms (Unallocated) | Zone 3 | 1.80 |
| C3 Dwelling Houses – 4 bedrooms (Allocated) | Zone 1 & 2 | Assessed on individual case basis |
| C3 Dwelling Houses – 4 bedrooms (Allocated) | Zone 3 | 3.0 |
| C3 Dwelling Houses – 4 bedrooms (Unallocated) | Zone 1 & 2 | Assessed on individual case basis |
| C3 Dwelling Houses – 4 bedrooms (Unallocated) | Zone 3 | 2.4 |
| C3 Dwelling Houses – More than 4 bedrooms (Allocated) | Assessed on individual case basis | |
| C3 Dwelling Houses – More than 4 bedrooms (Unallocated) | Assessed on individual case basis | |
| C3 Dwelling Houses – Studio or bedsit (Allocated) | Zone 1 | 0.65 |
| C3 Dwelling Houses – Studio or bedsit (Allocated) | Zone 2 | 0.80 |
| C3 Dwelling Houses – Studio or bedsit (Allocated) | Zone 3 | 1.25 |
| C3 Dwelling Houses – Studio or bedsit (Unallocated) | Zone 1 | 0.50 |
| C3 Dwelling Houses – Studio or bedsit (Unallocated) | Zone 2 | 0.65 |
| C3 Dwelling Houses – Studio or bedsit (Unallocated) | Zone 3 | 1.00 |
| C3 Residential Elderly – Other unit sizes | Zone 1 | Assessed on individual case |
| C3 Residential Elderly – Other unit sizes | Zone 2 | Reductions not automatically applied, assessed on individual case by case basis |
| C3 Residential Elderly – Other unit sizes | Zone 3 | To be determined on case by case basis |
| C3 Residential Elderly – Retirement dwellings, no warden control, 1 bedroom | Zone 1 | Assessed on individual case |
| C3 Residential Elderly – Retirement dwellings, no warden control, 1 bedroom | Zone 2 | Reductions not automatically applied, assessed on individual case by case basis |
| C3 Residential Elderly – Retirement dwellings, no warden control, 1 bedroom | Zone 3 | 1.25 spaces per unit |
| C3 Residential Elderly – Sheltered housing, warden control, 1 or 2 bedrooms | Zone 1 | Assessed on individual case |
| C3 Residential Elderly – Sheltered housing, warden control, 1 or 2 bedrooms | Zone 2 | Reductions not automatically applied, assessed on individual case by case basis |
| C3 Residential Elderly – Sheltered housing, warden control, 1 or 2 bedrooms | Zone 3 | 0.50 spaces per unit |
| Business Parks (Mixed B1/B2/B8) | Zone 1 | Assessed on individual case |
| Business Parks (Mixed B1/B2/B8) | Zone 2 | Up to 30% reduction on Zone 3 standard |
| Business Parks (Mixed B1/B2/B8) | Zone 3 | 1 space per 40 m² GEA |
| B2 General Industry | Zone 1 | Assessed on individual case |
| B2 General Industry | Zone 2 | Up to 30% reduction on Zone 3 standard |
| B2 General Industry | Zone 3 | 1 space per 75 m² GEA |
| B8 Storage or Distribution | Zone 1 | Assessed on individual case |
| B8 Storage or Distribution | Zone 2 | Up to 30% reduction on Zone 3 standard |
| B8 Storage or Distribution | Zone 3 | 1 space per 75 m² GEA |
| Use | Long-stay cycle parking | Short-stay cycle parking |
|---|---|---|
| C3 Dwelling Houses – 1 bedroom (Allocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – 1 bedroom (Unallocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – 2 bedrooms (Allocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – 2 bedrooms (Unallocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – 3 bedrooms (Allocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – 3 bedrooms (Unallocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – 4 bedrooms (Allocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – 4 bedrooms (Unallocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – More than 4 bedrooms (Allocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – More than 4 bedrooms (Unallocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – Studio or bedsit (Allocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Dwelling Houses – Studio or bedsit (Unallocated) | 1 Long Term Space per unit if no garage or shed provided | 1 Short Term Space per 10 Units <50 units, 1 per 20 units for >50 units |
| C3 Residential Elderly – Other unit sizes | 1 L/t space per 5 units | 1 S/t space per 3 units |
| C3 Residential Elderly – Retirement dwellings, no warden control, 1 bedroom | 1 L/t space per 5 units | 1 S/t space per 3 units |
| C3 Residential Elderly – Sheltered housing, warden control, 1 or 2 bedrooms | 1 L/t space per 5 units | 1 S/t space per 3 units |
| B2 General Industry | 1 L/t space per 10 f/t staff | 1 S/t space per 500 m² GEA |
Source: Parking Standards Supplementary Planning DocumentAdopted 18 November 2020Figures checked against the published document on 5 November 2026Selected tables: the source document has the full standards
Policies your assessment should address
The transport policies of the development plan documents in the summary panel. A neighbourhood plan, or a plan for one part of Dacorum, may also apply to your site.
Core Strategy
- CS8Sustainable Transport
Site Allocations Development Plan Document
- SA3Improving Transport Infrastructure
- SA4Public Car Parking
This page summarises adopted policy and links to the source documents. It is not legal advice: always confirm a figure against the adopted document before relying on it.