{"name":"SUN REALM HEATING CO. LIMITED","company_number":"01202277","status":"Active","type":"Private Limited Company","incorporated":"1975-03-03","dissolved":null,"registered_office":"28 Camford Way, Luton, Bedfordshire, LU3 3AN","postcode":"LU3 3AN","sic_codes":[{"code":43220,"description":"Plumbing, heat and air-conditioning installation"}],"principal_activity":null,"previous_names":[],"warnings":[],"accounts":{"category":"Total Exemption Full","year_end":"31 December","last_made_up_to":"2025-12-31","next_due":"2027-09-30"},"employees":{"count":38,"accounts_date":"2025-12-31"},"financials":[{"financial_date":"2025-12-31","net_assets":3059054,"cash":2502731,"average_employees":38},{"financial_date":"2024-12-31","net_assets":3213575,"cash":3142552,"average_employees":41},{"financial_date":"2023-12-31","net_assets":3090399,"cash":1936706},{"financial_date":"2022-12-31","net_assets":3102349,"cash":1494891},{"financial_date":"2021-12-31","net_assets":3075163,"cash":2666134}],"officers":{"current":2,"resigned":5,"complete":true,"note":"Names and details of individual officers are on the People page (subscriber-only on this site) and free at Companies House."},"charges":{"total":1,"outstanding":1},"gazette_notices":[],"insolvency_outcome":null,"ai_summary":"Sun Realm Heating Co. Limited occupies an unusual position within the UK HVAC installation sector: a nearly 50-year-old family business with an exceptionally strong balance sheet (£3.21M net assets, £3.14M cash) but evidence of significant recent contraction (22% headcount reduction, halving of trade debtors). While its financial resilience far exceeds sector norms – where most comparable installers operate with minimal reserves and tight working capital – the implied modest profitability (~2.5–4% net margin) and minimal capital expenditure raise questions about strategic direction during a period of fundamental technological transition in the heating industry. The business appears to be in a holding pattern: financially secure but potentially under-investing in the capabilities needed to compete effectively as the market shifts from gas boilers to heat pump technologies.","website":"https://www.sunrealm.co.uk/","links":{"page":"https://www.companiesintheuk.co.uk/ltd/sun-realm-heating-co","people":"https://www.companiesintheuk.co.uk/company/sun-realm-heating-co/people","filing_history":"https://www.companiesintheuk.co.uk/company/sun-realm-heating-co/filing-history","companies_house":"https://find-and-update.company-information.service.gov.uk/company/01202277","financials":"https://www.companiesintheuk.co.uk/company/sun-realm-heating-co/financial","control":"https://www.companiesintheuk.co.uk/company/sun-realm-heating-co/control","charges":"https://www.companiesintheuk.co.uk/company/sun-realm-heating-co/charges","ai_analysis":"https://www.companiesintheuk.co.uk/company/sun-realm-heating-co/analysis"},"source":"CompaniesInTheUK, from Companies House, The Gazette and other public registers (see /support/about). Cite as: CompaniesInTheUK, https://www.companiesintheuk.co.uk/ltd/sun-realm-heating-co"}