1. General Information & Data Controller Status

This website (www.londonhouseextension.co.uk) is owned and operated by London Home Renovation Ltd, trading as London House Extension (Company Registration No. 13787632), registered in England & Wales at 14 Verity Cl, London W11 4HE.

For the purposes of the UK General Data Protection Regulation (UK GDPR) and the UK Data Protection Act 2018, London Home Renovation Ltd acts as the official Data Controller responsible for managing, processing, and safeguarding all personal information collected through our online forms, phone consultations, architectural surveys, and construction project workflows.

We operate transparent data management procedures designed to protect your privacy, ensure data accuracy, and enforce robust physical and technical security protocols across all customer records.

2. Your Consent & Lawful Basis for Processing

By accessing our website, submitting an enquiry form, requesting a preliminary consultation, or entering into an architectural and construction agreement with London House Extension, you consent to the collection, processing, and storage of your personal data as set out in this Privacy Policy.

We process personal data relying on the following recognized UK GDPR legal grounds:

• Performance of Contract: Processing personal details, property addresses, and structural plans necessary to fulfill architectural feasibility, planning applications, structural calculations, and building contracts.
• Legitimate Interests: Managing customer relationships, following up on preliminary cost enquiries, improving site performance, and ensuring site safety.
• Legal & Regulatory Compliance: Maintaining accounting, tax, health & safety compliance, and local council planning submission records under UK law.
• Explicit Consent: Sending opt-in promotional communications or digital project case studies where you have provided express permission.

3. Personal Information We Gather

To provide high-quality single-storey, double-storey, rear, side-return, and wrap-around extension and loft conversion services across Greater London, we gather necessary personal information directly provided by you, as well as automated website analytical telemetry:

Information You Provide Voluntarily:

• Contact Details: Full name, telephone number, mobile number, email address, postal address, and project site location address.
• Project Specifications: Property ownership status, extension type, architectural brief, budget expectations, timeline requirements, and uploaded architectural sketches or photographs.
• Billing & Payment Data: Invoicing addresses, bank transfer details, and payment transaction receipts (we do not store full credit card numbers directly on our servers).
• Customer Correspondence: Records of emails, phone notes, site survey walkthrough logs, and enquiry messages sent via our contact forms.

Automated Technical & Statistical Data:

• Website Analytics: Anonymized IP addresses, browser types, operating systems, referring URLs, screen resolutions, session durations, and pages viewed during your visit.
• Cookie Telemetry: Essential operational cookies and analytics cookies to optimize page rendering, menu responsiveness, and site speed.

4. How We Use Your Personal Information

We process your personal information fairly, transparently, and strictly for legitimate commercial and construction purposes, including:

• Fulfilling Enquiries & Estimates: Preparing tailored project proposals, scheduling architectural surveys, calculating structural engineering estimates, and responding to your enquiries.
• Executing Build Services: Managing site operations, coordinating trade operatives, submitting Local Authority planning applications, securing Building Control approvals, and issuing milestone invoices.
• Customer Care & Communication: Contacting you via phone, email, or messaging regarding project updates, weather rescheduling, material deliveries, or warranty aftercare.
• Marketing & Project Renders: Sharing completed project case studies or service updates by email only where you have explicitly opted in (you can opt out at any time).
• Regulatory & Accounting Audits: Fulfilling HMRC tax accounting, statutory health & safety compliance, and insurance audit requirements under UK law.

5. Protection of Your Personal Information & Data Security

We maintain strict administrative, technical, and physical safeguards designed to protect your personal data against unauthorized access, loss, destruction, alteration, or disclosure.

• System Security & Encryption: Secure Socket Layer (SSL/TLS) encryption across all web traffic, firewalled server infrastructure, and secure access permissions for digital customer records.
• Restricted Staff Access: Access to personal data is restricted strictly to authorized project managers, architects, structural engineers, and administrative staff who require access to execute your project.
• Hosting Infrastructure: Our website is hosted on secure UK/EU server environments maintained by established cloud providers operating strict physical data centre security and compliance standards.

While internet data transmission cannot be guaranteed 100% immune from external threats, we employ industry-standard cybersecurity measures to maintain maximum integrity over your personal records.

6. Your Rights, Data Access (SAR) & Retention Schedules

Under the UK General Data Protection Regulation (UK GDPR), you possess clear statutory rights regarding your personal data held by London House Extension:

• Right of Access (Subject Access Request): You have the right to request a formal copy of all personal data we hold about you. We will respond within 30 days without administration charge.
• Right to Rectification: You can request immediate correction of inaccurate or incomplete personal records.
• Right to Erasure ("Right to be Forgotten"): You can request the deletion of your personal data where it is no longer required for contractual, legal, or accounting purposes.
• Right to Restrict Processing: You can object to or restrict specific processing activities, such as direct email marketing.

Data Retention Schedule: Personal data associated with initial enquiries that do not proceed to contract is retained for up to 24 months before secure deletion. Contractual project files, structural calculations, Building Control certificates, and financial invoicing records are retained for 6 years to satisfy HMRC tax regulations and 12-month structural guarantee enforcement.

7. External Links & Third-Party Portals

Our website may occasionally contain links to third-party websites, including Local Authority planning portals, Thames Water utility portals, Building Control inspector registers, or merchant product catalogues.

Please note that we do not exercise administrative control over external websites. If you follow a link to a third-party website, you are subject to that site's independent privacy policies. We encourage you to review third-party privacy notices prior to submitting personal information on external sites.

8. Data Controller Contact & Complaints Officer

If you have any questions, concerns, or requests regarding this Privacy Policy, wish to exercise your UK GDPR data rights, or submit a Subject Access Request (SAR), please contact our Data Protection Officer in writing:

Trading Name: London House Extension
Legal Controller Entity: London Home Renovation Ltd
Registered Address: 14 Verity Cl, London W11 4HE, United Kingdom
Company Registration: Registered in England No. 13787632
Official Email: info@londonhouseextension.co.uk
Telephone Contact: 020 7477 2883

If you believe your personal data has been handled improperly, you also maintain the right to lodge a formal complaint with the UK Information Commissioner's Office (ICO) at www.ico.org.uk.