- Companies
- Installers
- Windsor
- Nextherm Solutions Limited
Nextherm Solutions Limited
- Company number
- 16979627
- Incorporated
- 21 Jan 2026
- Registered office
- 20 Petworth Court, Helston Lane, Windsor, SL4 5HS
- Nature of business
- Other construction installation; Other specialised construction activities n.e.c.
Nextherm Solutions Limited is a newly incorporated private limited company registered in Windsor, company number 16979627, one of 6 installation companies (insulation, lifts, shutters and similar) in Windsor. Its next accounts are due at Companies House on 21 October 2027, and its first CT600 is due at HMRC on 20 January 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Who runs and owns Nextherm Solutions Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** K*** | Director | Jan 2026 |
Person with significant control
Where Nextherm Solutions Limited is registered
The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 5HS on a map.
Other trade companies in SL4
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- Time Watch Repair Watford LtdRepair services
- Mobile Tyre Services 24/7 LtdMechanics and garages
- Hullscrub Thames LtdCleaning companies
- Black Rose Automotive Group LtdMotor traders
- Maldec Hatchet Farm LimitedProperty developers
- Pinehill Homes Partnerships LtdProperty developers
- Heatsense Renewables LtdElectricians
What happens if Nextherm Solutions Limited 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 21 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Oct 2027 to 21 Nov 2027 | £150 |
| 1 to 3 months late | 22 Nov 2027 to 21 Jan 2028 | £375 |
| 3 to 6 months late | 22 Jan 2028 to 21 Apr 2028 | £750 |
| More than 6 months late | From 22 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 16979627
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2026
- Registered office
- 20 Petworth Court, Helston Lane, Windsor, SL4 5HS
- Nature of business
- Other construction installation (SIC 43290)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Windsor
Other active installation companies (insulation, lifts, shutters and similar) registered in Windsor.
- Care Free Flooring Ltd2024
- Comer Build Interiors Limited2010
- Decent Shop Front Shutters Limited2017
- GRV Group Ltd2024
- Marvel Tiles Ltd2020
All installation companies (insulation, lifts, shutters and similar) in Windsor · All trades in Windsor · Installers across the UK
Frequently asked questions
When are Nextherm Solutions Limited's accounts due?
Nextherm Solutions Limited's next accounts are due at Companies House by 21 October 2027 (in 373 days), covering the period to 31 January 2027.
When is Nextherm Solutions Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 January 2027, due by 20 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Nextherm Solutions Limited still trading?
Nextherm Solutions Limited 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 Nextherm Solutions Limited do?
Nextherm Solutions Limited is registered under Other construction installation (SIC 43290); Other specialised construction activities n.e.c. (SIC 43999).
How old is Nextherm Solutions Limited?
Nextherm Solutions Limited was incorporated on 21 January 2026, less than a year ago.
Who runs Nextherm Solutions Limited?
Nextherm Solutions Limited has 1 active director, the longest-serving appointed in Jan 2026. Their names and service addresses are on the Companies House register.
Who owns Nextherm Solutions Limited?
One person or company has significant control of Nextherm Solutions Limited: an individual (owns 75% or more of the shares).
What is the penalty if Nextherm Solutions Limited 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 Nextherm Solutions Limited 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.