- Companies
- Installers
- London
- Gallagher's Ducting Limited
Gallagher's Ducting Limited
- Company number
- 07439412
- Incorporated
- 15 Nov 201015 years trading
- Registered office
- 46 H, Longridge Road Earls Court, London, SW5 9SJ
- Nature of business
- Other construction installation
Gallagher's Ducting Limited is a 15-year-old private limited company registered in London, company number 07439412, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 down £3,076 (-26.6%) on the year before, to £8,471.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £14K against £8,153 owed within a year: 1.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £8,471 | £5,652 | £14K | £8,153 | 1 |
| 30 Nov 2024 | £12K | £13K | £20K | £11K | 1 |
| 30 Nov 2023 | £15K | £6 | £13K | £405 | 1 |
| 30 Nov 2022 | £14K | £526 | £12K | £602 | 1 |
| 30 Nov 2021 | £7,636 | £79 | £9,223 | £3,775 | 1 |
| 30 Nov 2020 | £607 | £2,109 | £7,581 | £9,162 | 1 |
| 30 Nov 2019 | £1,716 | £2,451 | £8,163 | £8,635 | 1 |
| 30 Nov 2018 | £196 | £5,444 | £11K | £13K | 1 |
| 30 Nov 2017 | £444 | £4,488 | £13K | £15K | 1 |
| 30 Nov 2016 | £109 | £16K | £23K | £25K |
Where Gallagher's Ducting Limited is registered
The registered office is in London (SW5), in the Kensington and Chelsea local authority area, London. Show SW5 9SJ on a map.
Other trade companies in SW5
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- Wellfitted London LimitedJoiners and carpenters
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- Cleanuk LimitedCleaning companies
- TCB Ventilation HVAC LtdElectricians
- Jolly Builders LtdBuilders
What happens if Gallagher's Ducting 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 07439412
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 November 2010 (15 years ago)
- Registered office
- 46 H, Longridge Road Earls Court, London, SW5 9SJ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 15 November 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Gama System Limited2006
- Gap Signs Ltd2026
- Garde Limited1997
- Garrison Partnership Ltd2024
- Garrolux Ltd2026
- Garygas Ltd2023
- Gate Property Capital Ltd2025
- Gav Railway Limited2016
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Gallagher's Ducting Limited's accounts due?
Gallagher's Ducting Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Gallagher's Ducting Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Gallagher's Ducting Limited still trading?
Gallagher's Ducting Limited is listed as active on the Companies House register (checked 12 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 Gallagher's Ducting Limited do?
Gallagher's Ducting Limited is registered under Other construction installation (SIC 43290).
How old is Gallagher's Ducting Limited?
Gallagher's Ducting Limited was incorporated on 15 November 2010, 15 years ago.
What is the penalty if Gallagher's Ducting 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 Gallagher's Ducting Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.