- Companies
- Electricians
- Harrow
- City Air Limited
City Air Limited
- Company number
- 05037208
- Incorporated
- 6 Feb 200422 years trading
- Registered office
- 9 Churchill Court 58 Station Road, North Harrow, Harrow, HA2 7SA
- Nature of business
- Electrical installation
City Air Limited is a 22-year-old private limited company registered in Harrow, company number 05037208, one of 200 electrical contractors in Harrow. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £44K (+68.3%) on the year before, to £109K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £200K against £81K owed within a year: 2.5 times cover.
- 3 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £109K | £200K | £81K | 3 | |
| 30 Jun 2024 | £65K | £153K | £68K | 3 | |
| 30 Jun 2023 | £45K | £182K | £106K | 3 | |
| 30 Jun 2022 | £38K | £181K | £103K | 3 | |
| 30 Jun 2021 | £73K | £190K | £68K | 3 | |
| 30 Jun 2020 | £79K | £203K | £74K | 3 | |
| 30 Jun 2019 | £90K | £139K | £49K | ||
| 30 Jun 2018 | £85K | £149K | £64K | ||
| 30 Jun 2017 | £78K | £169K | £90K | ||
| 30 Jun 2016 | £95K | £100K | £175K | £80K |
Where City Air Limited is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 7SA on a map.
Other trade companies in HA2
- KJP Engineering LtdElectricians
- JNJ Engineering LimitedCivil engineering
- Notting Hill Sew LtdRepair services
- Grandwellautos LtdMotor traders
- Multisteel Powdercoating LtdPainters and decorators
- Neon Systems LtdElectricians
- Firstclass Facilities LtdCleaning companies
- PMD Construct LtdBuilders
Also registered at this address
3 other companies use the same registered office as City Air Limited.
- Best Build Developers LtdFinishing trades
- Polar Home Improvements LtdFinishing trades
- Taylor Paving LtdFinishing trades
What happens if City Air 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 05037208
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2004 (22 years ago)
- Registered office
- 9 Churchill Court 58 Station Road, North Harrow, Harrow, HA2 7SA
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 6 February 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Harrow
Other active electrical contractors registered in Harrow.
- Class One Maintenance Services Limited2006
- Coliemore Electrical Services Limited2018
- Combined Electricals Limited1993
- Commercial Domestic Property Maintenance Ltd2021
- Copperbridge Engineering Ltd2026
- Corvex Network Ltd2026
- Coup Electrical Ltd2025
- D G Electrical Ltd2011
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are City Air Limited's accounts due?
City Air Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is City Air Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is City Air Limited still trading?
City Air Limited 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 City Air Limited do?
City Air Limited is registered under Electrical installation (SIC 43210).
How old is City Air Limited?
City Air Limited was incorporated on 6 February 2004, 22 years ago.
What is the penalty if City Air 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 City Air Limited 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.