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HavenWise
1 known investors
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Havenwise offers software that automatically controls a home's heat pump based on energy tariffs, weather, and the home's heating behaviour to improve comfort and lower running costs. It connects to supported internet-connected heat pump systems and shifts heating and hot water to cheaper periods, targeting UK homeowners.
Founders & leadership
AN
Alexander NelsonCo-founder and CTOAlexander Nelson is co-founder and CTO of HavenWise, which develops software to optimize heat pump operation based on energy pricing and weather conditions. He holds a First Class MEng in Robotics, Mechatronics and Control Engineering, and previously served as a British Army officer in operations, intelligence, and logistics.
Investors · 1
Companies House · registry record
View on Companies House ↗- Registered name
- HAVENWISE LIMITED
- Company number
- 15643835
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 Apr 2024
- Registered office
- 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ
- Nature of business (SIC)
- 62012 — Business and domestic software development
- Accounts
- last made up to 30 Apr 2026 · next due 31 Jan 2028
- Confirmation statement
- last made up to 12 Apr 2026 · next due 26 Apr 2027
Current officers · 2
- Henri Casteleyn — director, appointed 17 Jun 2024
- Alexander William Gordon Nelson — director, appointed 13 Apr 2024
Source: Companies House public register · retrieved 30 Aug 2026. Contains public sector information licensed under the Open Government Licence v3.0.
Frequently asked questions
- What does HavenWise do?
- Havenwise offers software that automatically controls a home's heat pump based on energy tariffs, weather, and the home's heating behaviour to improve comfort and lower running costs. It connects to supported internet-connected heat pump systems and shifts heating and hot water to cheaper periods, targeting UK homeowners.
- Who founded HavenWise?
- HavenWise was founded by Alexander Nelson.
- Who are HavenWise's investors?
- HavenWise's investors include Carbon13.