Privacy Policy
Last updated: [To be set on publication]
Key points
- **Who we are:** Watt & Waves (Watt & Waves Ltd), a home energy installation company based in Exeter and Devon.
- **What we collect:** Your name, contact details, property address, energy preferences, and (if you use our survey tool) photos and technical details about your property. We also collect website usage data through cookies.
- **Why we collect it:** To prepare your estimate, match you with a qualified installer, contact you about your enquiry, and improve our service.
- **Who we share it with:** Partner installer companies (to fulfil your enquiry), our cloud service providers, and analytics tools. We never sell your data.
- **How long we keep it:** Active enquiries for up to 24 months. Completed projects for 6 years (plus any warranty period). You can ask us to delete your data at any time.
- **Your rights:** You can access, correct, or delete your data. You can object to how we use it. You can complain to the ICO if you are unhappy with how we handle your data.
- **Automated estimates:** Our website generates automated estimates based on information you provide. These are indicative only — a human reviews and confirms everything before any binding quote is issued.
1. Who We Are
Watt & Waves (Watt & Waves Ltd, company number 08132241) is the data controller for personal data collected through this website.
Our contact details:
- Address: Unit 1, Exeter Business Park, Station Road, Exeter, Devon, EX1 0AA
- Email:
- Phone:
- Data protection contact:
If you have any questions about how we handle your personal data, contact us using the details above.
2. What Data We Collect
We collect personal data from the following sources:
2.1 Quote form (Page 5)
When you request an estimate through our website, we collect:
- Your details: Name, email address, phone number
- Your property: Address (including postcode), property type (home or workplace), number of bedrooms or floor area, power supply type (for workplaces)
- Your preferences: Goals and priorities (e.g., reduce bills, increase resilience), preferred system size, panel location (pitched roof, flat roof, or ground-mounted), interest in battery storage and EV charging, installation timeline
- Your role: Whether you are a homeowner, landlord, tenant, or potential buyer
- Security and validation data: Cloudflare Turnstile token, technical anti-abuse metadata, and passive phone-validation result where available
2.2 Survey form (Page 7)
If you complete our online survey tool to help prepare a detailed quote, we additionally collect:
- Roof details: Orientation, pitch, shading information, outline drawings (pin-drop location data and drawn boundaries)
- Property photos: Photos of your roof, consumer unit, proposed battery location, and proposed EV charger location
- Technical details: Consumer unit location, distances between equipment locations
- Energy usage: Electricity bill band, current tariff information
2.3 Results page (Page 6) and estimate interactions
When you view and interact with your estimate, we record:
- Your selections: System options chosen (solar size, battery, EV charger), package total
- Your actions: Whether you saved your estimate, booked a survey, requested a callback, or started the online survey
- Communication preferences: How you prefer to be contacted (phone, email, text/SMS, WhatsApp)
2.4 Website usage
When you visit our website, we automatically collect:
- Technical data: IP address, browser type and version, operating system, device type, screen resolution
- Usage data: Pages visited, time spent on each page, referral source (how you found us), links clicked
- Cookie data: As described in our Cookie Policy
Some technical and security data is processed as part of running and protecting the website. Analytics cookie data is only processed where you have given consent through our cookie preferences panel.
2.5 Communications
If you contact us directly, we may collect:
- Email correspondence: The content of emails you send to and receive from us
- Phone records: A record that a call took place, its duration, and any notes taken during the call
2.6 Third-party sources
We may obtain data from external sources to improve the accuracy and integrity of your estimate:
- EPC data: Your property's Energy Performance Certificate rating, obtained via the publicly available EPC register API
- Address data: Address lookup and validation data from our address verification provider
- Phone validation data: Passive validation data from our phone-validation provider where a phone number is supplied
3. Why We Collect It and Our Legal Basis
Under UK data protection law, we must have a lawful basis for processing your personal data. The table below explains what we use your data for and the legal basis we rely on.
| Purpose | Data used | Lawful basis |
|---|---|---|
| Preparing your estimate | Property details, preferences, system choices | Contract — Processing is necessary to provide the estimate service you requested |
| Contacting you about your enquiry | Name, email, phone, communication preferences | Contract — Processing is necessary to respond to and progress your enquiry |
| Matching you with a partner installer | Name, contact details, property address, system preferences | Legitimate interests — Our legitimate interest in connecting you with a qualified installer who can fulfil your enquiry. See section 5 for details |
| Generating automated estimates | Property details, preferences, postcode, system size | Contract — Processing is necessary to provide the estimate service you requested |
| Sending your saved estimate | Name, email, estimate summary | Contract — You requested that we send the estimate to your email |
| Booking a survey or callback | Name, contact details, preferred date/time | Contract — Processing is necessary to arrange the appointment you requested |
| Passive phone validation | Phone number, provider validation result | Legitimate interests — Preventing duplicate, incomplete, or fraudulent submissions |
| Improving our website and service | Analytics cookies and associated usage data | Consent — We use analytics cookies only where you have consented through our cookie preferences panel |
| Bot protection and security | IP address, browser data, Cloudflare Turnstile token | Legitimate interests — Preventing spam, fraud, and abuse |
| Marketing communications | Email address (with your consent) | Consent — We only send marketing emails if you have opted in. You can withdraw consent at any time |
| Complying with legal obligations | Transaction records, correspondence | Legal obligation — Keeping records required by tax, consumer protection, and other laws |
Scroll horizontally to view the full table.
What "legitimate interests" means: Where we rely on legitimate interests, we have carried out a balancing test to ensure our interests do not override your rights and freedoms. You have the right to object to processing based on legitimate interests — see section 8.
3.1 Do You Have to Provide Your Data?
Some data is required for us to provide the service you have asked for. Other data is optional.
| Data category | Is it mandatory? | What happens if you do not provide it |
|---|---|---|
| Core quote form data (name, contact details, address, core property details) | Yes, if you want an estimate | We cannot generate or send your estimate without this information |
| Survey tool data (photos, roof and technical details) | Optional at first stage; required for a detailed, survey-led quote | We can provide only a higher-level estimate until this information is provided |
| Communication preference data (phone/email/SMS/WhatsApp choice) | Optional | We will use available contact details and may not be able to contact you via your preferred channel |
| Marketing consent | Optional | You will not receive marketing updates |
| Analytics cookies | Optional | Your experience of the website is not affected, but we receive less usage data to improve the site |
Scroll horizontally to view the full table.
4. How We Use Your Data
We use your personal data for the following specific purposes:
-
Preparing and delivering your estimate — We use your property details, preferences, and system choices to generate a tailored estimate showing recommended system sizes, indicative pricing, and expected savings.
-
Contacting you about your enquiry — We use your name, email, and phone number to follow up on your estimate, answer questions, and arrange next steps (such as a site survey or callback).
-
Matching you with a partner installer — Watt & Waves operates as a service that connects homeowners with qualified, accredited installer partners. We share relevant details of your enquiry with the installer partner best placed to serve your area and requirements. See section 5 for full details.
-
Improving our service — We use anonymised and aggregated website usage data to understand how visitors use our website, identify areas for improvement, and monitor the performance of our service.
Where analytics cookies are used, we only collect this data where you have consented through our cookie preferences panel.
-
Fraud prevention and security — We use Cloudflare Turnstile to verify that form submissions come from real people, not automated bots. Where you provide a phone number, we may also run a passive validation check to reduce duplicate, incomplete, or fraudulent submissions without requiring a separate verification step.
-
Record-keeping and compliance — We keep records of enquiries, estimates, and communications to comply with tax, consumer protection, and other legal obligations.
6. International Transfers
Some of the third-party services we use may process your data outside the United Kingdom.
Where your data is transferred outside the UK, we ensure it is protected by one of the following safeguards:
- UK adequacy regulations — The UK government has confirmed that the country or territory provides an adequate level of data protection.
- International Data Transfer Agreement (IDTA) or UK Addendum to the EU Standard Contractual Clauses — Contractual safeguards approved by the ICO.
- UK Extension to the EU-US Data Privacy Framework — For transfers to certified US organisations.
| Transfer | Destination | Safeguard |
|---|---|---|
| Supabase (database) | [To be confirmed] | [To be confirmed] |
| Cloudflare (CDN and security) | Global (edge processing) | UK Addendum to EU SCCs / Data Privacy Framework |
| [To be confirmed] | [To be confirmed] | [To be confirmed] |
| [To be confirmed] | [To be confirmed] | [To be confirmed] |
Scroll horizontally to view the full table.
If you would like more information about the safeguards we use, please contact us.
7. How Long We Keep Your Data
We do not keep your data for longer than we need to. The table below sets out our retention periods.
| Data category | Retention period | Reason |
|---|---|---|
| Active enquiries (leads you are still in contact with us about) | Until the enquiry is resolved, then retained for up to 24 months from last contact | To follow up on your enquiry and provide the service you requested |
| Unsuccessful enquiries (leads where no further contact occurs) | 12 months from last contact, then anonymised or deleted | To allow you to return to your enquiry if needed, and for business analysis |
| Completed projects (where installation has taken place) | 6 years from project completion, plus the duration of any applicable warranty period | Contractual limitation period (Limitation Act 1980) and warranty obligations |
| Financial and tax records | 6 years from the end of the relevant financial year | HMRC requirements |
| Website analytics data | 26 months | Standard analytics retention period |
| Cookie consent records | 12 months (then consent is refreshed) | Evidence of valid consent under PECR |
| Email correspondence | Retained for the duration of the enquiry or project, then subject to the retention period for the relevant category above | Business administration and dispute resolution |
Scroll horizontally to view the full table.
When the retention period expires, we securely delete or anonymise your data. Anonymised data (which cannot identify you) may be retained indefinitely for statistical and business analysis purposes.
8. Your Rights
Under UK data protection law, you have the following rights over your personal data. These rights apply to all the personal data we hold about you, regardless of how we collected it.
8.1 Right of access (Subject Access Request)
You can ask for a copy of the personal data we hold about you. We respond within one month, free of charge. If your request is complex or repeated, we may extend by up to two months and will tell you within the first month.
8.2 Right to rectification
If your data is inaccurate or incomplete, you can ask us to correct it. We will do so within one month.
8.3 Right to erasure ("right to be forgotten")
You can ask us to delete your personal data. We will do so unless we have a legal obligation to keep it (for example, financial records required by HMRC) or we need it for the establishment, exercise, or defence of legal claims.
8.4 Right to restrict processing
You can ask us to temporarily stop processing your data in certain cases, for example while we verify accuracy or consider an objection.
8.5 Right to data portability
Where we process your data based on your consent or to fulfil a contract, and the processing is carried out by automated means, you can ask us to provide your data in a structured, commonly used, machine-readable format (such as CSV or JSON) so that you can transfer it to another service provider.
8.6 Right to object
You can object where we rely on legitimate interests. We will stop unless we have compelling grounds that override your rights, or we need the data for legal claims.
Direct marketing: You have an absolute right to object to the use of your data for direct marketing at any time. If you object, we will stop immediately. You can unsubscribe from marketing emails by clicking the "unsubscribe" link in any email, or by contacting us.
8.7 Rights related to automated decision-making
See section 9 below for details on how we use automation and your rights in relation to it.
How to exercise your rights
To exercise any of these rights, contact us at:
- Email:
- Post: Data Protection, Unit 1, Exeter Business Park, Station Road, Exeter, Devon, EX1 0AA
We may ask you to verify your identity before acting on your request. We respond within one month.
9. Automated Decision-Making and Estimates
What automation do we use?
When you complete our quote form, our website automatically generates an estimate based on the information you provide. The estimate includes a recommended system size, indicative pricing, expected energy generation, and estimated savings.
How does it work?
The estimate is calculated using a rules-based system that considers:
- Your property type and size (number of bedrooms or floor area)
- The system size you selected (or our recommendation if you chose "not sure")
- Whether you are interested in battery storage and/or an EV charger
- Your installation location (pitched roof, flat roof, or ground-mounted)
- General regional data for energy generation in Exeter and Devon
The system matches these inputs against a pricing and performance lookup table to produce an indicative estimate.
Is this a binding decision?
No. The automated estimate is an indicative starting point only. It is not a binding offer, a formal quote, or a decision that determines whether you can access our services. Everyone who completes the form receives an estimate.
A formal, binding quote is only issued after a human-led site survey, where one of our surveyors (or a partner installer's surveyor) visits your property, assesses the installation in person, and prepares a detailed design and fixed-price quote. The final price may differ from the online estimate.
Your rights
We do not consider the automated estimate to be a solely automated decision that produces legal effects (or similarly significant effects) under Article 22 UK GDPR. This is because the estimate is indicative only and any binding quote is produced after human review. We are committed to transparency:
- You can ask how your estimate was calculated — Contact us and we will explain the inputs and logic used.
- You can request human review — If you believe your estimate is inaccurate or does not reflect your circumstances, contact us and a member of our team will review it manually.
- You can contest the output — You are not bound by the estimate in any way. You can adjust your selections on the results page or request a site survey for a precise quote.
10. How to Complain
If you are unhappy with how we have handled your personal data, please contact us so we can put things right.
Step 1: Contact us
Please contact our data protection contact first:
- Email:
- Phone:
- Post: Data Protection, Unit 1, Exeter Business Park, Station Road, Exeter, Devon, EX1 0AA
We will acknowledge your complaint within 5 working days and aim to resolve it within 20 working days.
Step 2: Complain to the ICO
If you are not satisfied with our response, or if you prefer to complain directly, you have the right to lodge a complaint with the Information Commissioner's Office (ICO):
- Website: https://ico.org.uk/make-a-complaint/
- Phone: 0303 123 1113
- Post: Information Commissioner's Office, Wycliffe House, Water Lane, Wilmslow, Cheshire, SK9 5AF
The ICO recommends that you raise concerns with us first before contacting them, but you are not required to do so.
11. Changes to This Policy
We may update this privacy policy to reflect changes in our practices, legal requirements, or regulatory guidance. For material changes, we will:
- Update the "last updated" date at the top of this page
- Where appropriate, notify you by email or by a prominent notice on our website
The current version will always be available at /privacy-policy.
Last updated: [To be set on publication]
12. Contact Us
If you have any questions about this privacy policy or how we handle your personal data, contact us:
- Email:
- Phone:
- Post: Data Protection, Watt & Waves (Watt & Waves Ltd), Unit 1, Exeter Business Park, Station Road, Exeter, Devon, EX1 0AA