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  4. Smartair Electrical Ltd

Smartair Electrical Ltd

ActiveMicro-entity accountsElectriciansDorking
Company number
15569424
Incorporated
16 Mar 20242 years trading
Registered office
Bradbury Yard, Old Reigate Road, Dorking, RH4 1NX
Nature of business
Electrical installation; Plumbing, heat and air-conditioning installation
Accounts due in
80 days
31 Dec 2026
Net assets
£10
At 31 Mar 2025
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Smartair Electrical Ltd is a 2-year-old private limited company registered in Dorking, company number 15569424, one of 21 electrical contractors in Dorking. 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.

Accounts due
31 Dec 2026
in 80 days
For the period to 31 Mar 2026
CT600 due
31 Mar 2027
in 170 days
Period 1 Apr 2025 to 31 Mar 2026
Corporation tax payment
1 Jan 2027
in 81 days
9 months and 1 day after the period end
Confirmation statement
29 Mar 2027
in 168 days
Last made up to 15 Mar 2026

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Financial snapshot, 2025

From the balance sheet at 31 March 2025, as filed at Companies House.

Net assets
£10
Employees
0
Average during the year, including directors

Where Smartair Electrical Ltd is registered

Smartair Electrical Ltd's registered office on a map of the UK

The registered office is in Dorking (RH4), in the Mole Valley local authority area, South East. Show RH4 1NX on a map.

Other trade companies in RH4

Also registered at this address

1 other company uses the same registered office as Smartair Electrical Ltd.

What happens if Smartair Electrical 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 HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2027 to 31 Jan 2027£150
1 to 3 months late1 Feb 2027 to 31 Mar 2027£375
3 to 6 months late1 Apr 2027 to 30 Jun 2027£750
More than 6 months lateFrom 1 Jul 2027£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2027£200
3 months late30 Jun 2027another £200
6 months late30 Sep 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2028another 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
15569424
Status
Active
Company type
Private limited company
Incorporated
16 March 2024 (2 years ago)
Registered office
Bradbury Yard, Old Reigate Road, Dorking, RH4 1NX
Nature of business
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 March (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 March 2025
Last confirmation statement
15 March 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 Dorking

Other active electrical contractors registered in Dorking.

All electrical contractors in Dorking · All trades in Dorking · Electricians across the UK

Frequently asked questions

When are Smartair Electrical Ltd's accounts due?

Smartair Electrical Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.

When is Smartair Electrical 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 Smartair Electrical Ltd still trading?

Smartair Electrical 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 Smartair Electrical Ltd do?

Smartair Electrical Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Smartair Electrical Ltd?

Smartair Electrical Ltd was incorporated on 16 March 2024, 2 years ago.

What is the penalty if Smartair Electrical 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 Smartair Electrical Ltd on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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