- Company number
- 14040343
- Incorporated
- 11 Apr 20224 years trading
- Registered office
- 25 Straughan Crescent, Aykley Heads, Durham, DH1 5JU
- Nature of business
- Construction of domestic buildings; Electrical installation; Joinery installation; Painting
Senlo Construction Ltd is a 4-year-old private limited company registered in Durham, company number 14040343, one of 120 building contractors in Durham. Its next accounts are due at Companies House on 10 January 2028, and the CT600 for the period to 10 April 2027 is due at HMRC on 10 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 down £6,117 (-35.1%) on the year before, to -£24K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2023 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 10 Apr 2026 | -£24K | £294 | 0 | ||
| 10 Apr 2025 | -£17K | £1,636 | 0 | ||
| 10 Apr 2024 | -£8,664 | £1,721 | £0 | 0 | |
| 10 Apr 2023 | -£4,971 | £441 | £13 | 0 |
Where Senlo Construction Ltd is registered
The registered office is in Durham (DH1), in the County Durham local authority area, North East. Show DH1 5JU on a map.
Other trade companies in DH1
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- Hanser LimitedBuilders
- McCluskey Roofing North East LtdRoofers
- Phone and Laptop Repairs Ne LtdRepair services
- Tyne & Wear Commercial Cleaning LtdCleaning companies
- HZG Projects LimitedCivil engineering
- Damiora Group LtdFacilities management
- James Lawton Homes ( Whickham Farm ) LtdProperty developers
What happens if Senlo Construction 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 10 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Jan 2028 to 10 Feb 2028 | £150 |
| 1 to 3 months late | 11 Feb 2028 to 10 Apr 2028 | £375 |
| 3 to 6 months late | 11 Apr 2028 to 10 Jul 2028 | £750 |
| More than 6 months late | From 11 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 11 Apr 2028 | £200 |
| 3 months late | 10 Jul 2028 | another £200 |
| 6 months late | 10 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 10 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
- 14040343
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2022 (4 years ago)
- Registered office
- 25 Straughan Crescent, Aykley Heads, Durham, DH1 5JU
- Nature of business
- Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Joinery installation (SIC 43320)
Painting (SIC 43341) - Year end
- 10 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 10 April 2026
- Last confirmation statement
- 10 April 2026
- Previous names
- Ieee Ltd (until 31 Jan 2024)
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 Durham
Other active building contractors registered in Durham.
- Shark Construction (Ne) Limited2021
- Signature Developments (Ne) Ltd2026
- Silver Street Construction Ltd2014
- Substruct Civils Ltd2022
- SWB Construction Ne Limited2019
- T Bryan Groundworks Ltd2023
- T&F Drywall Specialists Ltd2020
- T&S Brickwork Ltd2021
All building contractors in Durham · All trades in Durham · Builders across the UK
Frequently asked questions
When are Senlo Construction Ltd's accounts due?
Senlo Construction Ltd's next accounts are due at Companies House by 10 January 2028 (in 455 days), covering the period to 10 April 2027.
When is Senlo Construction Ltd's CT600 due?
The CT600 for the period to 10 April 2027 is due at HMRC by 10 April 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 11 January 2028.
Is Senlo Construction Ltd still trading?
Senlo Construction 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 Senlo Construction Ltd do?
Senlo Construction Ltd is registered under Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Joinery installation (SIC 43320); Painting (SIC 43341).
How old is Senlo Construction Ltd?
Senlo Construction Ltd was incorporated on 11 April 2022, 4 years ago.
What is the penalty if Senlo Construction 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 Senlo Construction 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.