- Companies
- Finishing trades
- Greenford
- Bys Ductwork Ltd
Bys Ductwork Ltd
- Company number
- 11052752
- Incorporated
- 8 Nov 20178 years trading
- Registered office
- 43 Portland Crescent, Greenford, UB6 9EX
- Nature of business
- Other building completion and finishing
Bys Ductwork Ltd is a 8-year-old private limited company registered in Greenford, company number 11052752, one of 59 building finishing companies in Greenford. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £919 (+26.8%) on the year before, to £4,345.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £9,246 against £4,901 owed within a year: 1.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £4,345 | £5,341 | £9,246 | £4,901 | 2 |
| 31 Oct 2024 | £3,426 | £4,257 | £8,857 | £5,431 | 2 |
| 31 Oct 2023 | £5,607 | £6,984 | £6,984 | £1,377 | 2 |
| 31 Oct 2022 | £100 | £14K | £14K | £4,876 | 2 |
| 31 Oct 2021 | £100 | £18K | £18K | £1,391 | 1 |
| 31 Oct 2020 | £11K | £13K | £2,524 | 1 | |
| 31 Oct 2019 | £631 | £3,408 | £7,956 | £7,325 | 1 |
| 31 Oct 2018 | £242 | £2,071 | £7,305 | £7,637 | 1 |
Where Bys Ductwork Ltd is registered
The registered office is in Greenford (UB6), in the Ealing local authority area, London. Show UB6 9EX on a map.
Other trade companies in UB6
- Motor Mec Centre LtdMechanics and garages
- Eminova Automotive Solutions LtdMotor traders
- CMP Waterproofing LtdSpecialist contractors
- I K Religa LtdProperty developers
- I O City Property Services LimitedBuilders
- Furtuna Fire LtdBuilders
- Dzony Spark LtdBuilders
- Naaz Services LimitedCleaning companies
What happens if Bys Ductwork 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11052752
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 November 2017 (8 years ago)
- Registered office
- 43 Portland Crescent, Greenford, UB6 9EX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 29 October 2025
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 Greenford
Other active building finishing companies registered in Greenford.
- C.L.A. Interiors Ltd2024
- Caro Construction Ltd2016
- Delbania Limited2007
- Diana Wooden Project Ltd2021
- Did Solutions Ltd2017
- Ealing Essentials Ltd2026
- Evier Ltd2022
- Fine Projects Limited2012
All building finishing companies in Greenford · All trades in Greenford · Finishing trades across the UK
Frequently asked questions
When are Bys Ductwork Ltd's accounts due?
Bys Ductwork Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Bys Ductwork Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Bys Ductwork Ltd still trading?
Bys Ductwork 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 Bys Ductwork Ltd do?
Bys Ductwork Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Bys Ductwork Ltd?
Bys Ductwork Ltd was incorporated on 8 November 2017, 8 years ago.
What is the penalty if Bys Ductwork 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 Bys Ductwork 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.