- Companies
- Machinery repair and installation
- Welwyn Garden City
- Colbair Services Limited
Colbair Services Limited
- Company number
- 04926947
- Incorporated
- 9 Oct 200323 years trading
- Registered office
- 14 Dayemead, Welwyn Garden City, Hertfordshire, AL7 4RX
- Nature of business
- Repair and maintenance of aircraft and spacecraft
Colbair Services Limited is a 23-year-old private limited company registered in Welwyn Garden City, company number 04926947, one of 12 machinery repair and installation companies in Welwyn Garden City. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 unchanged on the year before, at £1,233.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £1,233 | £1,233 | 3 | ||
| 31 Oct 2024 | £1,233 | £1,233 | £0 | 3 | |
| 31 Oct 2023 | £1,233 | £11K | £10K | 3 | |
| 31 Oct 2022 | £85 | £85 | 3 | ||
| 31 Oct 2021 | £85 | £85 | 3 | ||
| 31 Oct 2020 | £85 | £85 | 3 | ||
| 31 Oct 2019 | £85 | £85 | 3 | ||
| 31 Oct 2018 | £85 | £85 | |||
| 31 Oct 2017 | -£85 | ||||
| 31 Oct 2016 | -£85 | £85 |
Who runs and owns Colbair Services Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (4)
| Name | Role | Appointed |
|---|---|---|
| J*** C*** | Director | Oct 2003 |
| P*** C*** | Director | Oct 2003 |
| S*** C*** | Director | Feb 2007 |
| J*** C*** | Secretary | Oct 2003 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| La Secretaries Limited | Secretary (company) | Oct 2003 | Oct 2003 |
| M*** C*** | Director | Feb 2007 | Sep 2015 |
| Lincroft Associates Limited | Director (company) | Oct 2003 | Oct 2003 |
Person with significant control
Where Colbair Services Limited is registered
The registered office is in Welwyn Garden City (AL7), in the Welwyn Hatfield local authority area, East of England. Show AL7 4RX on a map.
Other trade companies in AL7
- Mechanicalwise LtdInstallers
- Azalea Services LimitedSpecialist contractors
- Malmech and Mannion LimitedMechanics and garages
- T&D Construction Group LtdFinishing trades
- Vertec Roofing and Building LtdRoofers
- Selectlane LtdMotor traders
- Af Pressure Washing LtdCleaning companies
- Jet Professional LtdCleaning companies
What happens if Colbair Services 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 04926947
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2003 (23 years ago)
- Registered office
- 14 Dayemead, Welwyn Garden City, Hertfordshire, AL7 4RX
- Nature of business
- Repair and maintenance of aircraft and spacecraft (SIC 33160)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 9 October 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Welwyn Garden City
Other active machinery repair and installation companies registered in Welwyn Garden City.
- Fruitech Solutions Ltd2023
- JRM Mobile-Tech Ltd2023
- NBG Engineering Limited2022
- Pedal Lounge Ltd2026
- RJM Aviation Ltd2025
- Second Sight Associates Limited2014
- V.O.R. Services Limited1986
- We Fix Maintenance Ltd2025
All machinery repair and installation companies in Welwyn Garden City · All trades in Welwyn Garden City · Machinery repair and installation across the UK
Frequently asked questions
When are Colbair Services Limited's accounts due?
Colbair Services Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Colbair Services Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Colbair Services Limited still trading?
Colbair Services 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 Colbair Services Limited do?
Colbair Services Limited is registered under Repair and maintenance of aircraft and spacecraft (SIC 33160).
How old is Colbair Services Limited?
Colbair Services Limited was incorporated on 9 October 2003, 23 years ago.
Who runs Colbair Services Limited?
Colbair Services Limited has 3 active directors, the longest-serving appointed in Oct 2003. Their names and service addresses are on the Companies House register.
Who owns Colbair Services Limited?
One person or company has significant control of Colbair Services Limited: an individual (owns 50% to 75% of the shares).
What is the penalty if Colbair Services 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 Colbair Services 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.