1. What Are Cookies
Cookies are small text files placed on your device when you visit a website. They allow the website to remember information about your visit — such as your preferences and settings — to make your next visit easier and the site more useful to you.
Cookies are not harmful programs. They cannot access other files on your device and cannot run as executable code. Most web browsers allow you to control cookies through browser settings.
2. How We Use Cookies
We use cookies to:
- Ensure the website functions correctly and securely;
- Remember your cookie consent preferences;
- Understand how visitors use our website (with your consent); and
- Improve your experience on return visits (with your consent).
We operate an opt-in consent model. Only Strictly Necessary cookies are set without your consent. All other cookie categories require your explicit opt-in before they are activated.
3. Cookie Categories
We classify all cookies used on this Site into four categories in accordance with our internal Secure Web Development Standard (SWDG v1.1.0):
| Category | Consent Required | Description & Examples |
|---|---|---|
| Strictly Necessary | No — always active | Essential for the website to operate. Includes session management cookies, CSRF security tokens, and load balancing cookies. These cannot be disabled through our cookie banner. |
| Functional | Yes — opt-in required | Enable enhanced functionality and personalisation, such as remembering your language preference, region, or accessibility settings between visits. |
| Analytics | Yes — opt-in required | Help us understand how visitors interact with our website by collecting and reporting aggregated, anonymised information. Examples include page view counts, session duration, and traffic sources. No personally identifiable information is collected. |
| Marketing | Yes — opt-in required | Used to track visitors across websites to display relevant advertisements. No marketing cookies are currently deployed on this Site. This category is disclosed for transparency and future reference. |
4. Cookie Inventory
The following is our current cookie inventory, accurate as of the audit date stated above.
Strictly Necessary Cookies
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| pbs_consent | Preservation (First-party) | Stores your cookie consent preferences (categories accepted/declined, version, timestamp) | 12 months |
| PHPSESSID / session_id | Preservation (First-party) | Session management for contact form and server-side processing | Session (deleted on browser close) |
Functional Cookies
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| No functional cookies are currently deployed. This category will be updated if functional cookies are added. | |||
Analytics Cookies
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| No analytics cookies are currently deployed. Analytics tools will only be activated after obtaining your explicit consent. | |||
Marketing Cookies
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| No marketing cookies are currently deployed on this Site. | |||
5. Managing Your Cookie Preferences
When you first visit our Site, you will see a cookie consent banner. You can:
- Accept All — enable all cookie categories;
- Reject All — disable all optional categories;
- Manage Preferences — choose individual categories.
You can update your preferences at any time by clicking Cookie Preferences in the footer of any page. Changing your preferences takes effect immediately.
Browser-Level Cookie Control
Most browsers allow you to control cookies through settings. The following links provide guidance for popular browsers:
Note that disabling cookies at the browser level may prevent some website features from functioning correctly. Strictly necessary cookies may still be set where required for security and session management.
6. Consent Record
When you make a cookie choice on our Site, we record:
- The timestamp of your consent decision;
- Which categories you accepted and which you declined;
- The version of the consent notice presented to you.
This record is stored in a strictly necessary cookie (pbs_consent) on your device. We will request renewed consent if: new cookie categories are introduced, existing cookie partners change, stated purposes change, or 12 months have elapsed since your last consent decision.
7. Third-Party Cookies
Third-party cookies are set by organisations other than Preservation. When we deploy third-party analytics or functional tools in the future, we will update this Cookie Policy to identify the specific third parties and link to their privacy policies. No third-party cookies are currently deployed on this Site.
8. Changes to This Policy
We will update this Cookie Policy whenever our cookie usage changes. The "Effective Date" and "Cookie Audit Date" at the top of this page will be updated accordingly. Significant changes may trigger a new consent request.
9. Contact
For any questions about our use of cookies, please contact us through our Contact page or review our Privacy Policy for broader data protection information.
Document reference: PBSC-CP-001 | Version 1.0 | 14 July 2026 | Cookie Audit: 14 July 2026