- Companies
- Machinery repair and installation
- London
- SM Electrics & Air Conditioning Ltd.
SM Electrics & Air Conditioning Ltd.
- Company number
- 13569159
- Incorporated
- 16 Aug 20215 years trading
- Registered office
- 43 Alston Road, London, N18 2LA
- Nature of business
- Repair of electrical equipment
SM Electrics & Air Conditioning Ltd. is a 5-year-old private limited company registered in London, company number 13569159, one of 1,743 machinery repair and installation companies in London. 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 down £1,106 (-59.3%) on the year before, to £759.
- Net assets rose in 1 of 3 year-on-year comparisons on record.
- Current assets of £6,492 against £5,733 owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £759 | £6,492 | £5,733 | 0 | |
| 31 Aug 2024 | £1,865 | £8,103 | £6,238 | 0 | |
| 31 Aug 2023 | £1,970 | £6,079 | £4,109 | 0 | |
| 31 Aug 2022 | £996 | £2,021 | £1,025 | 0 |
Where SM Electrics & Air Conditioning Ltd. is registered
The registered office is in London (N18), in the Enfield local authority area, London. Show N18 2LA on a map.
Other trade companies in N18
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- Bin Store Cleaning Services LtdCleaning companies
- Vio Lettings Maintenance LtdBuilders
- MG Cars Bod Shop LtdMechanics and garages
- Critter Control Services UK LtdCleaning companies
- Jes Property Maintenance LtdRoofers
- Fanextract LtdPlumbers and heating engineers
- Lucian Aurelian Avram LtdCleaning companies
What happens if SM Electrics & Air Conditioning 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
- 13569159
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 August 2021 (5 years ago)
- Registered office
- 43 Alston Road, London, N18 2LA
- Nature of business
- Repair of electrical equipment (SIC 33140)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 1 February 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Smart Fix London Ltd2025
- Smart Progress Energy Ltd2018
- Smart Voltage Solution Limited2024
- Smartfix Hub Ltd2025
- Smooth Cooling Limited2022
- Snap Shop Front Limited2026
- Sofi Profi Ltd2024
- Solamama UK Ltd2024
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are SM Electrics & Air Conditioning Ltd.'s accounts due?
SM Electrics & Air Conditioning 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 SM Electrics & Air Conditioning 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 SM Electrics & Air Conditioning Ltd. still trading?
SM Electrics & Air Conditioning 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 SM Electrics & Air Conditioning Ltd. do?
SM Electrics & Air Conditioning Ltd. is registered under Repair of electrical equipment (SIC 33140).
How old is SM Electrics & Air Conditioning Ltd.?
SM Electrics & Air Conditioning Ltd. was incorporated on 16 August 2021, 5 years ago.
What is the penalty if SM Electrics & Air Conditioning 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 SM Electrics & Air Conditioning 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.