- Companies
- Plumbers and heating engineers
- Chislehurst
- A.R.M. Mechanical Services Ltd
A.R.M. Mechanical Services Ltd
- Company number
- 06841989
- Incorporated
- 10 Mar 200917 years trading
- Registered office
- 63 High Street, Chislehurst, BR7 5BE
- Nature of business
- Plumbing, heat and air-conditioning installation
A.R.M. Mechanical Services Ltd is a 17-year-old private limited company registered in Chislehurst, company number 06841989, one of 33 plumbing and heating companies in Chislehurst. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £8,548 (-4.9%) on the year before, to £166K.
- Net assets rose in 2 of 8 year-on-year comparisons on record.
- Current assets of £129K against £50K owed within a year: 2.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £166K | £39K | £129K | £50K | 1 |
| 31 Mar 2024 | £174K | £26K | £112K | £32K | 1 |
| 31 Mar 2023 | £189K | £45K | £109K | £22K | 1 |
| 31 Mar 2022 | £184K | £97K | £125K | £15K | 1 |
| 31 Mar 2021 | £191K | £115K | £143K | £20K | 1 |
| 31 Mar 2020 | £210K | £131K | £173K | £25K | 1 |
| 31 Mar 2019 | £238K | £191K | £300K | £69K | 1 |
| 31 Mar 2018 | £199K | £126K | £243K | £52K | 1 |
| 31 Mar 2017 | £220K | £117K | £281K | £71K | 1 |
Where A.R.M. Mechanical Services Ltd is registered
The registered office is in Chislehurst (BR7), in the Bromley local authority area, England. Show BR7 5BE on a map.
Other trade companies in BR7
- KG Fire & Construction LtdBuilders
- Ne Car and Commericials LtdMechanics and garages
- Magac - Bespoke Renovations LimitedBuilders
- Developwise Property Group LimitedProperty developers
- Chislehurst Renovations LtdBuilders
- Integra Building Compliance LtdSpecialist contractors
- Project 10 LtdBuilders
- Perryvale Acquisition LtdProperty developers
Also registered at this address
19 other companies use the same registered office as A.R.M. Mechanical Services Ltd.
- A2 Plastering and Decorating LimitedBuilders
- Active Scaffolding LimitedProperty developers
- Actual Roofing Solutions LtdRoofers
- Blackheath Flooring Studios LtdFloor and wall tilers
- Coldman & Kerr LimitedProperty developers
- DCS Electrical Contractors LtdElectricians
- Down to Groundworks LtdSpecialist contractors
- Ets Scaffolding LimitedScaffolders
- Hencarlo LimitedBuilders
- Lancon Developments LtdProperty developers
- Landsecure LtdBuilders
- Latchford Decorating LtdPainters and decorators
- Oakdene Plumbing LimitedPlumbers and heating engineers
- Onyx Building and Landscaping LtdInstallers
- RT Renovations London LtdFinishing trades
- Supreme Cooling Services LimitedPlumbers and heating engineers
- Ultra Decor LimitedFinishing trades
- Ultrakleen LtdCleaning companies
- Xtreme Valeting LimitedCleaning companies
What happens if A.R.M. Mechanical Services 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06841989
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2009 (17 years ago)
- Registered office
- 63 High Street, Chislehurst, BR7 5BE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 14 February 2026
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 in Chislehurst
Other active plumbing and heating companies registered in Chislehurst.
- Aspie Plumbing & Heating Ltd2021
- Beavers Mechanical Engineers Ltd2018
- Blue Water Plumbing & Heating Ltd2022
- Boilers R Us London Limited2025
- Ceni Plumbing Ltd2014
- Chislehurst Drainage Services Limited2019
- Current Development Limited1997
- D Montague Plumbing & Heating Ltd2018
All plumbing and heating companies in Chislehurst · All trades in Chislehurst · Plumbers and heating engineers across the UK
Frequently asked questions
When are A.R.M. Mechanical Services Ltd's accounts due?
A.R.M. Mechanical Services Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is A.R.M. Mechanical Services Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is A.R.M. Mechanical Services Ltd still trading?
A.R.M. Mechanical Services 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 A.R.M. Mechanical Services Ltd do?
A.R.M. Mechanical Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is A.R.M. Mechanical Services Ltd?
A.R.M. Mechanical Services Ltd was incorporated on 10 March 2009, 17 years ago.
What is the penalty if A.R.M. Mechanical Services 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 A.R.M. Mechanical Services 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.