- Company number
- 16835235
- Incorporated
- 5 Nov 2025
- Registered office
- 20 Depedale Avenue, Borrowash, Derby, DE72 3JH
- Nature of business
- Construction of domestic buildings
Watt Builders Ltd is a newly incorporated private limited company registered in Derby, company number 16835235, one of 353 building contractors in Derby. Its next accounts are due at Companies House on 5 August 2027, and its first CT600 is due at HMRC on 4 November 2027.
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.
Is this your company?
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Where Watt Builders Ltd is registered
The registered office is in Derby (DE72), in the Erewash local authority area, East Midlands. Show DE72 3JH on a map.
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What happens if Watt Builders 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 5 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Aug 2027 to 5 Sep 2027 | £150 |
| 1 to 3 months late | 6 Sep 2027 to 5 Nov 2027 | £375 |
| 3 to 6 months late | 6 Nov 2027 to 5 Feb 2028 | £750 |
| More than 6 months late | From 6 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16835235
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 November 2025
- Registered office
- 20 Depedale Avenue, Borrowash, Derby, DE72 3JH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Derby
Other active building contractors registered in Derby.
- White Project Solutions Limited2025
- Widerscope Building Maintenance Limited2010
- Wilson Construction (Midlands) Limited2003
- Winnson & Co Ltd2023
- XWR 1 Limited2016
- XWR 2 Ltd2017
- ZKSS Ltd2025
- 2Cando Logistical Property Services Ltd2016
All building contractors in Derby · All trades in Derby · Builders across the UK
Frequently asked questions
When are Watt Builders Ltd's accounts due?
Watt Builders Ltd's next accounts are due at Companies House by 5 August 2027 (in 296 days), covering the period to 30 November 2026.
When is Watt Builders Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 November 2026, due by 4 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Watt Builders Ltd still trading?
Watt Builders 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 Watt Builders Ltd do?
Watt Builders Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Watt Builders Ltd?
Watt Builders Ltd was incorporated on 5 November 2025, less than a year ago.
What is the penalty if Watt Builders 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 Watt Builders 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.