- Companies
- Plumbers and heating engineers
- LB Mechanical Ltd
LB Mechanical Ltd
- Company number
- 10653240
- Incorporated
- 6 Mar 20179 years trading
- Registered office
- 3A Rock Terrace, Manchester Road, Mossley, OL5 9QD
- Nature of business
- Plumbing, heat and air-conditioning installation
LB Mechanical Ltd is a 9-year-old private limited company registered in Mossley, company number 10653240, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £27K (-488.7%) on the year before, to -£22K.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £6,081 against £426 owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£22K | £45 | £6,081 | £426 | 2 |
| 31 Jul 2024 | £5,543 | £6,446 | £41K | £2,983 | 2 |
| 31 Mar 2023 | £7,200 | £51K | 2 | ||
| 31 Mar 2022 | £6,314 | £33K | £99K | £65K | 2 |
| 31 Mar 2021 | £4,281 | £46K | £67K | £31K | 2 |
| 31 Mar 2020 | £11K | £9,063 | £37K | £35K | 1 |
| 31 Mar 2018 | £5,539 | £24K | £23K |
Where LB Mechanical Ltd is registered
The registered office is in Mossley (OL5), in the Tameside local authority area, North West. Show OL5 9QD on a map.
Other trade companies in OL5
- Lineelec LtdBuilders
- Brixon Group LtdProperty developers
- Ajh Electrical LtdElectricians
- HD Valeting and Detailing LtdCleaning companies
- The Heritage Spraying Co. LtdPainters and decorators
- Norteck LimitedElectricians
- Hydrocarbon Engineering Services LtdPlumbers and heating engineers
- Heatserv Cheshire LimitedPlumbers and heating engineers
What happens if LB Mechanical 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 10653240
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2017 (9 years ago)
- Registered office
- 3A Rock Terrace, Manchester Road, Mossley, OL5 9QD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 9 March 2026
- Previous names
- Adt Mechanical Limited (until 9 Nov 2017)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies
Other active plumbing and heating companies.
Frequently asked questions
When are LB Mechanical Ltd's accounts due?
LB Mechanical Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is LB Mechanical Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is LB Mechanical Ltd still trading?
LB Mechanical 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 LB Mechanical Ltd do?
LB Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is LB Mechanical Ltd?
LB Mechanical Ltd was incorporated on 6 March 2017, 9 years ago.
What is the penalty if LB Mechanical 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 LB Mechanical 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.