- Companies
- Plumbers and heating engineers
- Cambridge
- KCS Plumbing Services Limited
KCS Plumbing Services Limited
- Company number
- 05390057
- Incorporated
- 11 Mar 200521 years trading
- Registered office
- 7 Quy Court Colliers Lane, Stow-Cum-Quy, Cambridge, CB25 9AU
- Nature of business
- Plumbing, heat and air-conditioning installation
KCS Plumbing Services Limited is a 21-year-old private limited company registered in Cambridge, company number 05390057, one of 105 plumbing and heating companies in Cambridge. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 down £3,861 (-93.1%) on the year before, to £288.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £17K against £17K owed within a year: 1.0 times cover.
- 2 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £288 | £8 | £17K | £17K | 2 |
| 30 Jun 2024 | £4,149 | £7 | £27K | £23K | 2 |
| 30 Jun 2023 | £2,360 | £7 | £24K | £23K | 2 |
| 30 Jun 2022 | £1,201 | £4 | £19K | £20K | 2 |
| 30 Jun 2021 | £1,237 | £4 | £20K | £20K | 2 |
| 30 Jun 2020 | £463 | £4 | £17K | £19K | 2 |
| 30 Jun 2019 | £728 | £3 | £20K | £22K | 2 |
| 30 Jun 2018 | £700 | £1,001 | £18K | £20K | 2 |
| 30 Jun 2017 | £879 | £401 | £17K | £19K | 2 |
| 30 Jun 2016 | £1,475 | £401 | £20K | £22K |
Where KCS Plumbing Services Limited is registered
The registered office is in Cambridge (CB25), in the South Cambridgeshire local authority area, East of England. Show CB25 9AU on a map.
Other trade companies in CB25
- Hinkins Land & Development LtdProperty developers
- Eco-Logical Building LtdBuilders
- Roelectrical Services LtdElectricians
- UK Building & Renovations LtdRoofers
- Jeelash Investments Ltd T/A Yeticlean LtdCleaning companies
- East Anglia Party Wall Surveyors LtdSpecialist contractors
- Titan Mobile Tyres & Brakes LtdMechanics and garages
- The Land Works Cambridge LtdLandscapers and gardeners
Also registered at this address
9 other companies use the same registered office as KCS Plumbing Services Limited.
- A & A Chapman LimitedMechanics and garages
- Bob Black Construction LimitedCivil engineering
- County Windows (Cambridge) LtdBuilders
- Eco-Logical Building LtdBuilders
- Harbel LimitedProperty developers
- P.Meeks (Electrical) LimitedElectricians
- WJ Developments (Cambridge) LtdProperty developers
- Y K Development Management LimitedProperty developers
- Y K Developments LimitedProperty developers
What happens if KCS Plumbing 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 05390057
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2005 (21 years ago)
- Registered office
- 7 Quy Court Colliers Lane, Stow-Cum-Quy, Cambridge, CB25 9AU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 11 March 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 Cambridge
Other active plumbing and heating companies registered in Cambridge.
- Keeble Plumbing and Heating Ltd2021
- M & M Heating (Cambs) Ltd2008
- M. J. Dent Heating Services Limited2006
- Matt Evans Heating Limited2019
- Monster Heating and Cooling Limited2011
- Moore's Plumbing & Heating (Cambridge) Limited2022
- Neo Plumbing Ltd2025
- Neo Plumbing Solution Limited2025
All plumbing and heating companies in Cambridge · All trades in Cambridge · Plumbers and heating engineers across the UK
Frequently asked questions
When are KCS Plumbing Services Limited's accounts due?
KCS Plumbing Services Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is KCS Plumbing Services Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is KCS Plumbing Services Limited still trading?
KCS Plumbing 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 KCS Plumbing Services Limited do?
KCS Plumbing Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is KCS Plumbing Services Limited?
KCS Plumbing Services Limited was incorporated on 11 March 2005, 21 years ago.
What is the penalty if KCS Plumbing 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 KCS Plumbing 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.