- Company number
- 08503402
- Incorporated
- 25 Apr 201313 years trading
- Registered office
- 4 Knights Way, Milton, Cambridge, CB24 6DE
- Nature of business
- Construction of domestic buildings
Colin Barnes Building Services Ltd is a 13-year-old private limited company registered in Cambridge, company number 08503402, one of 238 building contractors in Cambridge. Its next accounts are due at Companies House on 31 January 2028, and the CT600 for the period to 30 April 2027 is due at HMRC on 30 April 2028.
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 up £240 (+149.1%) on the year before, to £401.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £39K against £49K owed within a year: 0.8 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | £401 | £39K | £49K | 2 | |
| 30 Apr 2025 | £161 | £53K | £63K | 2 | |
| 30 Apr 2024 | £902 | £53K | £57K | 2 | |
| 30 Apr 2023 | £1,318 | £58K | £57K | 2 | |
| 30 Apr 2022 | £6,458 | £75K | £61K | 2 | |
| 30 Apr 2021 | £6,542 | £74K | £42K | 2 | |
| 30 Apr 2020 | £20K | £38K | £44K | 2 | |
| 30 Apr 2019 | £9,533 | £41K | £48K | ||
| 30 Apr 2018 | £497 | £40K | £55K | ||
| 30 Apr 2017 | £401 | £29K | £45K |
Where Colin Barnes Building Services Ltd is registered
The registered office is in Cambridge (CB24), in the South Cambridgeshire local authority area, East of England. Show CB24 6DE on a map.
Other trade companies in CB24
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- C Smith Engineering LtdMachinery repair and installation
- Mykin LimitedElectricians
- A & A Land Development LimitedBuilders
- Menzies Repairs LtdSpecialist contractors
- Adc Mechanical LtdMachinery repair and installation
- Cam Glow Cleaning LimitedCleaning companies
- Majestic Sequoia Group LtdCleaning companies
What happens if Colin Barnes Building Services 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 31 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2028 to 29 Feb 2028 | £150 |
| 1 to 3 months late | 1 Mar 2028 to 30 Apr 2028 | £375 |
| 3 to 6 months late | 1 May 2028 to 31 Jul 2028 | £750 |
| More than 6 months late | From 1 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 08503402
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 2013 (13 years ago)
- Registered office
- 4 Knights Way, Milton, Cambridge, CB24 6DE
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2026
- Last confirmation statement
- 25 April 2026
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 Cambridge
Other active building contractors registered in Cambridge.
- Complete Construction (Cambridge) Ltd2022
- Conington Building Consultants Limited2020
- Construct Building Services Limited2021
- Cook & Cook Construction Ltd2012
- Cook & Cook Consultancy Limited2017
- County Windows (Cambridge) Ltd2013
- Cristian & Gabriel Building Ltd2020
- Crown CB Limited2025
All building contractors in Cambridge · All trades in Cambridge · Builders across the UK
Frequently asked questions
When are Colin Barnes Building Services Ltd's accounts due?
Colin Barnes Building Services Ltd's next accounts are due at Companies House by 31 January 2028 (in 475 days), covering the period to 30 April 2027.
When is Colin Barnes Building Services Ltd's CT600 due?
The CT600 for the period to 30 April 2027 is due at HMRC by 30 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2028.
Is Colin Barnes Building Services Ltd still trading?
Colin Barnes Building Services 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 Colin Barnes Building Services Ltd do?
Colin Barnes Building Services Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Colin Barnes Building Services Ltd?
Colin Barnes Building Services Ltd was incorporated on 25 April 2013, 13 years ago.
What is the penalty if Colin Barnes Building Services 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 Colin Barnes Building Services 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.