- Companies
- Plumbers and heating engineers
- Milton Keynes
- Colmore Projects Limited
Colmore Projects Limited
- Company number
- 16741104
- Incorporated
- 24 Sep 20251 year trading
- Registered office
- Unit 15 Stadium Business Court Lyon Road, Bletchley, Milton Keynes, MK1 1EX
- Nature of business
- Plumbing, heat and air-conditioning installation
Colmore Projects Limited is a 1-year-old private limited company registered in Milton Keynes, company number 16741104, one of 197 plumbing and heating companies in Milton Keynes. Its next accounts are due at Companies House on 24 June 2027, and its first CT600 is due at HMRC on 23 September 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 Colmore Projects Limited is registered
The registered office is in Milton Keynes (MK1), in the Milton Keynes local authority area, South East. Show MK1 1EX on a map.
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What happens if Colmore Projects 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 24 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Jun 2027 to 24 Jul 2027 | £150 |
| 1 to 3 months late | 25 Jul 2027 to 24 Sep 2027 | £375 |
| 3 to 6 months late | 25 Sep 2027 to 24 Dec 2027 | £750 |
| More than 6 months late | From 25 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16741104
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 September 2025 (1 year ago)
- Registered office
- Unit 15 Stadium Business Court Lyon Road, Bletchley, Milton Keynes, MK1 1EX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Previous names
- Colmore M&E Limited (until 28 Apr 2026)
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 in Milton Keynes
Other active plumbing and heating companies registered in Milton Keynes.
- Creed Gas Services Limited2022
- Crest Heating and Plumbing Limited2025
- CTL Plumbing Limited2015
- Custom Heating & Plumbing Solutions Ltd2026
- D F & Son Plumbing and Heating Limited2021
- D.W. Renovations Ltd2026
- Dcu Plumbing Services Ltd2024
- Ddrenew Limited2023
All plumbing and heating companies in Milton Keynes · All trades in Milton Keynes · Plumbers and heating engineers across the UK
Frequently asked questions
When are Colmore Projects Limited's accounts due?
Colmore Projects Limited's next accounts are due at Companies House by 24 June 2027 (in 255 days), covering the period to 30 September 2026.
When is Colmore Projects 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 23 September 2026, due by 23 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Colmore Projects Limited still trading?
Colmore Projects Limited is listed as active on the Companies House register (checked 12 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 Colmore Projects Limited do?
Colmore Projects Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Colmore Projects Limited?
Colmore Projects Limited was incorporated on 24 September 2025, 1 year ago.
What is the penalty if Colmore Projects 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 Colmore Projects Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.