- Companies
- Builders
- Newton Aycliffe
- Certa (Small Works) Limited
Certa (Small Works) Limited
- Company number
- 15103320
- Incorporated
- 29 Aug 20233 years trading
- Registered office
- Units 8/9 Parsons Court Welbury Way, Aycliffe Business Park, Newton Aycliffe, Durham, DL5 6ZE
- Nature of business
- Construction of commercial buildings
Certa (Small Works) Limited is a 3-year-old private limited company registered in Newton Aycliffe, company number 15103320, one of 21 building contractors in Newton Aycliffe. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £82K on the year before, to £82K.
- Current assets of £212K against £130K owed within a year: 1.6 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £82K | £60K | £212K | £130K | 5 |
| 30 Sep 2024 | £100 | £100 | 5 |
Where Certa (Small Works) Limited is registered
The registered office is in Newton Aycliffe (DL5), in the County Durham local authority area, North East. Show DL5 6ZE on a map.
Other trade companies in DL5
- Adventures in Lawncare LimitedLandscapers and gardeners
- Carmy Services LimitedCivil engineering
- Aw Works LtdMachinery repair and installation
- Charlie Robinson Roofing & Cladding LtdInstallers
- Ga Automotive Group LtdMotor traders
- Tigheconstruction LtdBuilders
- Tigheituproofing LtdRoofers
- Oakstone Construction Ne LtdBuilders
Also registered at this address
22 other companies use the same registered office as Certa (Small Works) Limited.
- Ads Joinery & Building Services LimitedJoiners and carpenters
- B.A. March Construction LimitedBuilders
- Black Building Solutions LtdBuilders
- Chris Howe Construction LimitedBuilders
- Dales Masonry LimitedBuilders
- DF Building Services (Ne) LtdBuilders
- Inframe Space LtdBuilders
- J Robson Developments LimitedJoiners and carpenters
- Jaxx Roofing LimitedRoofers
- KC Cable Jointing (Ne) LtdMachinery repair and installation
- L&T Alderson LimitedCivil engineering
- Logic Electrical LtdElectricians
- Marfen Scarborough LimitedProperty developers
- Nkit Build LtdBuilders
- Pop Build LimitedBuilders
- Precision Groundworks & Civil Engineering LimitedCivil engineering
- Quayle Earthworks LimitedCivil engineering
- RK Cladding LimitedRoofers
- Rooftrust LimitedRoofers
- Supreme Brickwork Ne LimitedBuilders
- TW Network Solutions LimitedInstallers
- Walker Paving and Extensions LimitedLandscapers and gardeners
What happens if Certa (Small Works) 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15103320
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 August 2023 (3 years ago)
- Registered office
- Units 8/9 Parsons Court Welbury Way, Aycliffe Business Park, Newton Aycliffe, Durham, DL5 6ZE
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 25 July 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 Newton Aycliffe
Other active building contractors registered in Newton Aycliffe.
- Chris Howe Construction Limited2012
- Dales Masonry Limited2023
- DF Building Services (Ne) Ltd2019
- Elliotts Roofing Ne Limited2026
- Homes by Carlton (Snape) Limited2025
- Homes by Carlton Ltd2017
- Hudson and Sons Windows Limited2021
- Inframe Space Ltd2020
All building contractors in Newton Aycliffe · All trades in Newton Aycliffe · Builders across the UK
Frequently asked questions
When are Certa (Small Works) Limited's accounts due?
Certa (Small Works) Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Certa (Small Works) Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Certa (Small Works) Limited still trading?
Certa (Small Works) 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 Certa (Small Works) Limited do?
Certa (Small Works) Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Certa (Small Works) Limited?
Certa (Small Works) Limited was incorporated on 29 August 2023, 3 years ago.
What is the penalty if Certa (Small Works) 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 Certa (Small Works) 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.