- Companies
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- Wellingborough
- Watson & Cox (Construction) Limited
Watson & Cox (Construction) Limited
- Company number
- 01950473
- Incorporated
- 26 Sep 198541 years trading
- Registered office
- 11 Brunel Close, Park Farm, Wellingborough, Northants, NN8 6QX
- Nature of business
- Construction of commercial buildings
Watson & Cox (Construction) Limited is a 41-year-old private limited company registered in Wellingborough, company number 01950473, one of 106 building contractors in Wellingborough. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Watson & Cox (Construction) Limited is registered
The registered office is in Wellingborough (NN8), in the North Northamptonshire local authority area, East Midlands. Show NN8 6QX on a map.
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Also registered at this address
3 other companies use the same registered office as Watson & Cox (Construction) Limited.
- Oes Properties LimitedProperty developers
- Watson & Cox Homes LimitedProperty developers
- Watson & Cox LimitedProperty developers
What happens if Watson & Cox (Construction) 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 01950473
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 1985 (41 years ago)
- Registered office
- 11 Brunel Close, Park Farm, Wellingborough, Northants, NN8 6QX
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 16 July 2026
- Charges (mortgages)
- 0 outstanding of 3 registered
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 Wellingborough
Other active building contractors registered in Wellingborough.
- We Surface IT Ltd2016
- Webuild Brickwork Limited2026
- Wellingborough Building Company Limited1974
- Yellow Wolves Ltd2026
- A&I Limited2023
- Ace Dry Lining (Northants) Limited2016
- Acl & Co Ltd2013
- Ais Construct Ltd2026
All building contractors in Wellingborough · All trades in Wellingborough · Builders across the UK
Frequently asked questions
When are Watson & Cox (Construction) Limited's accounts due?
Watson & Cox (Construction) Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Watson & Cox (Construction) Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Watson & Cox (Construction) Limited still trading?
Watson & Cox (Construction) 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 Watson & Cox (Construction) Limited do?
Watson & Cox (Construction) Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Watson & Cox (Construction) Limited?
Watson & Cox (Construction) Limited was incorporated on 26 September 1985, 41 years ago.
What is the penalty if Watson & Cox (Construction) 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 Watson & Cox (Construction) 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.