- Companies
- Plumbers and heating engineers
- Mitcham
- Capitol Air Conditioning Services Ltd
Capitol Air Conditioning Services Ltd
- Company number
- 06015806
- Incorporated
- 1 Dec 200619 years trading
- Registered office
- 49 Manor Road, Mitcham, Surrey, CR4 1JG
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Capitol Air Conditioning Services Ltd is a 19-year-old private limited company registered in Mitcham, company number 06015806, one of 50 plumbing and heating companies in Mitcham. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £225 (+2%) on the year before, to £12K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £44K against £23K owed within a year: 1.9 times cover.
- 2 employees 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £12K | £44K | £23K | 2 | |
| 31 Dec 2024 | £11K | £40K | £19K | 2 | |
| 31 Dec 2023 | £5,372 | £39K | £34K | 2 | |
| 31 Dec 2022 | £11K | £56K | £41K | 2 | |
| 31 Dec 2021 | £3,143 | £34K | £26K | 2 | |
| 31 Dec 2020 | £2,948 | £43K | £35K | 2 | |
| 31 Dec 2019 | £4,561 | £46K | £37K | 2 | |
| 31 Dec 2018 | £3,424 | £29K | £20K | ||
| 31 Dec 2017 | £3,412 | £35K | £22K | ||
| 31 Dec 2016 | £2,791 | £26K | £13K |
Where Capitol Air Conditioning Services Ltd is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 1JG on a map.
Other trade companies in CR4
- Mendevo LimitedFloor and wall tilers
- Az Auto Body Repair LtdMechanics and garages
- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
- LDN Plumbing Heating and Cooling LimitedPlumbers and heating engineers
- Dgha Construction LtdBuilders
Also registered at this address
7 other companies use the same registered office as Capitol Air Conditioning Services Ltd.
- D A Ceilings ( London ) LtdJoiners and carpenters
- Eye 4 Colour LimitedPainters and decorators
- Industrial Siteworks Solutions LtdPlumbers and heating engineers
- JJPM ( London ) LtdPlumbers and heating engineers
- Lalux Operations LtdPlumbers and heating engineers
- Paint Shack ( Surrey ) LtdPainters and decorators
- Saric LtdMachinery repair and installation
What happens if Capitol Air Conditioning 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 06015806
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 December 2006 (19 years ago)
- Registered office
- 49 Manor Road, Mitcham, Surrey, CR4 1JG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 1 December 2025
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 Mitcham
Other active plumbing and heating companies registered in Mitcham.
- Certified Plumbing Ltd2020
- Combust Ltd2018
- Cool Air Conditioning and Plumbing Ltd2026
- Dads Engineering Ltd2026
- Darren Gas Services Ltd2025
- E & S Building Services Ltd2008
- Ead Plumbing and Heating Specialist Limited2025
- GGHP Ltd2026
All plumbing and heating companies in Mitcham · All trades in Mitcham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Capitol Air Conditioning Services Ltd's accounts due?
Capitol Air Conditioning Services Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Capitol Air Conditioning Services Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Capitol Air Conditioning Services Ltd still trading?
Capitol Air Conditioning 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 Capitol Air Conditioning Services Ltd do?
Capitol Air Conditioning Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Capitol Air Conditioning Services Ltd?
Capitol Air Conditioning Services Ltd was incorporated on 1 December 2006, 19 years ago.
What is the penalty if Capitol Air Conditioning 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 Capitol Air Conditioning 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.