- Companies
- Civil engineering
- Welwyn Garden City
- Nowak Carpenters Ltd
Nowak Carpenters Ltd
- Company number
- 12164661
- Incorporated
- 19 Aug 20197 years trading
- Registered office
- 21 Walden Road, Welwyn Garden City, AL8 7PE
- Nature of business
- Construction of other civil engineering projects n.e.c.
Nowak Carpenters Ltd is a 7-year-old private limited company registered in Welwyn Garden City, company number 12164661, one of 15 civil engineering contractors in Welwyn Garden City. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 unchanged on the year before, at £1,034.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £10K against £9,772 owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | £1,034 | £528 | £10K | £9,772 | 0 |
| 31 Aug 2024 | £1,034 | £528 | £10K | £9,772 | 0 |
| 31 Aug 2023 | £1,324 | £474 | £3,846 | £3,503 | 0 |
| 31 Aug 2022 | £530 | £1,632 | £2,298 | 0 | |
| 31 Aug 2021 | £2,755 | £4,245 | £4,245 | £2,948 | 0 |
| 31 Aug 2020 | £5,622 | £4,245 | £5,141 | £1,319 | 0 |
Where Nowak Carpenters Ltd is registered
The registered office is in Welwyn Garden City (AL8), in the Welwyn Hatfield local authority area, East of England. Show AL8 7PE on a map.
Other trade companies in AL8
- Reverie Autocare LtdMechanics and garages
- Al8 Plumbing LtdPlumbers and heating engineers
- JSP Commercial LtdSpecialist contractors
- Sure Shift Motors LtdMotor traders
- Elimef LtdCleaning companies
- Creative Driveway Solutions LimitedProperty developers
- LT Air Conditioning LimitedPlumbers and heating engineers
- Hertssparky LtdBuilders
What happens if Nowak Carpenters 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12164661
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2019 (7 years ago)
- Registered office
- 21 Walden Road, Welwyn Garden City, AL8 7PE
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 18 August 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Welwyn Garden City
Other active civil engineering contractors registered in Welwyn Garden City.
- Oms Utilities Ltd2023
- Parcs Utilities Ltd2020
- RJK Groundworks Limited2020
- Rocafella Services Limited2018
- Track Safe Limited2022
- Utiliconnect Ltd2018
- Elite Architectural Systems Limited2010
- First Line Drains Ltd2024
All civil engineering contractors in Welwyn Garden City · All trades in Welwyn Garden City · Civil engineering across the UK
Frequently asked questions
When are Nowak Carpenters Ltd's accounts due?
Nowak Carpenters Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Nowak Carpenters Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Nowak Carpenters Ltd still trading?
Nowak Carpenters Ltd is listed as active on the Companies House register (checked 13 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 Nowak Carpenters Ltd do?
Nowak Carpenters Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Nowak Carpenters Ltd?
Nowak Carpenters Ltd was incorporated on 19 August 2019, 7 years ago.
What is the penalty if Nowak Carpenters 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 Nowak Carpenters Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.