- Companies
- Plumbers and heating engineers
- Solar Dynamics Ltd
Solar Dynamics Ltd
- Company number
- 13162795
- Incorporated
- 27 Jan 20215 years trading
- Registered office
- Unit 6 Oakhurst Business Park, Wilberforce Way, Southwater, Horsham, West Sussex, RH13 9RT
- Nature of business
- Plumbing, heat and air-conditioning installation; Roofing activities
Solar Dynamics Ltd is a 5-year-old private limited company registered in Southwater, Horsham, company number 13162795, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £65K (-22.8%) on the year before, to £221K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £756K against £514K owed within a year: 1.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £221K | £23K | £756K | £514K | 0 |
| 31 Jan 2024 | £286K | £20K | £511K | £269K | 11 |
| 31 Jan 2023 | £273K | £93K | £569K | £327K | 13 |
| 31 Jan 2022 | £35K | £59K | £26K | 3 |
Public contracts won
Solar Dynamics Ltd has one public sector contract award on record; the ones with their own published value total £24K (2026). Source: Contracts Finder and Find a Tender award notices.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Crowthorne Parish Council | Installation of photo-voltaic solar panel system at the Parish Hall, Crowthorne, RG45 7BN | £24K | 4 Feb 2026 |
Where Solar Dynamics Ltd is registered
The registered office is in Southwater, Horsham (RH13), in the Horsham local authority area, South East. Show RH13 9RT on a map.
Other trade companies in RH13
- BVMH Surfacing LtdCivil engineering
- Blueleaf Climate LtdPlumbers and heating engineers
- CP Valet & Detailing LtdCleaning companies
- V18 Group LtdMechanics and garages
- Iq Repair Services LtdMachinery repair and installation
- CFF Apt LimitedBuilders
- CFF Man Co LimitedBuilders
- Edmison Estate Services LtdCleaning companies
What happens if Solar Dynamics Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 13162795
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 January 2021 (5 years ago)
- Registered office
- Unit 6 Oakhurst Business Park, Wilberforce Way, Southwater, Horsham, West Sussex, RH13 9RT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Roofing activities (SIC 43910) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 25 October 2025
- Previous names
- H2O Solar and Heating Ltd (until 21 Jun 2022)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies
Other active plumbing and heating companies.
Frequently asked questions
When are Solar Dynamics Ltd's accounts due?
Solar Dynamics Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Solar Dynamics Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Solar Dynamics Ltd still trading?
Solar Dynamics Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Solar Dynamics Ltd do?
Solar Dynamics Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Roofing activities (SIC 43910).
How old is Solar Dynamics Ltd?
Solar Dynamics Ltd was incorporated on 27 January 2021, 5 years ago.
Has Solar Dynamics Ltd won public sector contracts?
Yes. Solar Dynamics Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £24K), most recently from Crowthorne Parish Council.
What is the penalty if Solar Dynamics Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Solar Dynamics Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.