- Companies
- Finishing trades
- Stevenage
- S Koop Building & Plastering Services Limited
S Koop Building & Plastering Services Limited
- Company number
- 11421867
- Incorporated
- 19 Jun 20188 years trading
- Registered office
- First Floor 7 Viewpoint Office Village, Babbage Road, Stevenage, Hertfordshire, SG1 2EQ
- Nature of business
- Other building completion and finishing
S Koop Building & Plastering Services Limited is a 8-year-old private limited company registered in Stevenage, company number 11421867, one of 71 building finishing companies in Stevenage. 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 up £12K (+136%) on the year before, to £20K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £45K against £2,871 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £20K | £45K | £2,871 | 1 | |
| 30 Jun 2024 | £8,672 | £49K | £3,960 | 1 | |
| 30 Jun 2023 | £24K | £28K | £5,445 | 1 | |
| 30 Jun 2022 | -£955 | £9,889 | £2,186 | 1 | |
| 30 Jun 2021 | -£3,269 | £9,742 | £2,011 | 1 | |
| 30 Jun 2020 | £1,759 | £1,759 | 2 |
Where S Koop Building & Plastering Services Limited is registered
The registered office is in Stevenage (SG1), in the Stevenage local authority area, East of England. Show SG1 2EQ on a map.
Other trade companies in SG1
- Masterplumbing&Heating LtdPlumbers and heating engineers
- Ohiggins Property Solutions LtdProperty developers
- Bird Detailing LtdCleaning companies
- Tedted Engineering LtdMechanics and garages
- DSS Facilities LtdFacilities management
- Macala Engineering LimitedSpecialist contractors
- Regency Detailing LtdMechanics and garages
- Ashtons Property Group LtdProperty developers
Shared registered office
86 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if S Koop Building & Plastering 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
- 11421867
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 June 2018 (8 years ago)
- Registered office
- First Floor 7 Viewpoint Office Village, Babbage Road, Stevenage, Hertfordshire, SG1 2EQ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 18 June 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Stevenage
Other active building finishing companies registered in Stevenage.
- Samuels Building Services Limited2020
- Select Design Interiors Limited1998
- Shacko Property Services Ltd2026
- SK & TR Building Services Ltd2013
- Summit Refurbishments Ltd2018
- Tabula Construction Ltd2023
- Tec Bulimar Ltd2018
- The Property Refurb Co Herts Limited2025
All building finishing companies in Stevenage · All trades in Stevenage · Finishing trades across the UK
Frequently asked questions
When are S Koop Building & Plastering Services Limited's accounts due?
S Koop Building & Plastering 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 S Koop Building & Plastering 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 S Koop Building & Plastering Services Limited still trading?
S Koop Building & Plastering 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 S Koop Building & Plastering Services Limited do?
S Koop Building & Plastering Services Limited is registered under Other building completion and finishing (SIC 43390).
How old is S Koop Building & Plastering Services Limited?
S Koop Building & Plastering Services Limited was incorporated on 19 June 2018, 8 years ago.
What is the penalty if S Koop Building & Plastering 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 S Koop Building & Plastering 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.