- Company number
- 14635209
- Incorporated
- 2 Feb 20233 years trading
- Registered office
- Flat 8 Shenston House, Staffordshire Street, Cambridge, CB1 1BP
- Nature of business
- Construction of domestic buildings
Koplin Group Cambridge Ltd is a 3-year-old private limited company registered in Cambridge, company number 14635209, one of 238 building contractors in Cambridge. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 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 down £32K (-276.9%) on the year before, to -£44K.
- Current assets of £467 against £31K owed within a year: 0.0 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£44K | £467 | £31K | 1 | |
| 31 Mar 2025 | -£12K | £196 | £19K | 2 | |
| 31 Mar 2024 | -£6,378 | £16K | £50K | £68K | 3 |
Where Koplin Group Cambridge Ltd is registered
The registered office is in Cambridge (CB1), in the Cambridge local authority area, East of England. Show CB1 1BP on a map.
Other trade companies in CB1
- Al Zoube LtdMotor traders
- Opalink Commerce LimitedMotor traders
- Pigeon (Gransden) LimitedProperty developers
- Forecast Roofing & Guttering LtdRoofers
- United Solutions Enterprise LtdFinishing trades
- White Construction LtdBuilders
- Residential Roofing & Guttering LtdRoofers
- Pigeon (H) LimitedProperty developers
What happens if Koplin Group Cambridge 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 14635209
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2023 (3 years ago)
- Registered office
- Flat 8 Shenston House, Staffordshire Street, Cambridge, CB1 1BP
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 1 February 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.
- KV Innovations Ltd2016
- Laidlaw and Cooke Ltd2026
- Latham Builders Limited2014
- Laughtons Construction Contractors Limited2021
- Lee Construction Cambridge Ltd2021
- Leen Holdings Limited1995
- Leeway Building Services Limited2007
- Lenk Construction Limited2025
All building contractors in Cambridge · All trades in Cambridge · Builders across the UK
Frequently asked questions
When are Koplin Group Cambridge Ltd's accounts due?
Koplin Group Cambridge Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Koplin Group Cambridge Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Koplin Group Cambridge Ltd still trading?
Koplin Group Cambridge 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 Koplin Group Cambridge Ltd do?
Koplin Group Cambridge Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Koplin Group Cambridge Ltd?
Koplin Group Cambridge Ltd was incorporated on 2 February 2023, 3 years ago.
What is the penalty if Koplin Group Cambridge 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 Koplin Group Cambridge 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.