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  4. Oxsparks Heating and Electrical Limited

Oxsparks Heating and Electrical Limited

ActiveMicro-entity accountsElectriciansWatford
Company number
11758923
Incorporated
10 Jan 20197 years trading
Registered office
C/O Konsio Cca; 196, Croxley View, Watford, Hertfordshire, WD18 6PQ
Nature of business
Electrical installation; Plumbing, heat and air-conditioning installation; Agents specialized in the sale of other particular products; Activities of tourist guides
Accounts due in
383 days
31 Oct 2027
Net assets
-£207K▼
-24.1% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Oxsparks Heating and Electrical Limited is a 7-year-old private limited company registered in Watford, company number 11758923, one of 141 electrical contractors in Watford. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
31 Oct 2027
in 383 days
For the period to 31 Jan 2027
CT600 due
31 Jan 2028
in 475 days
Period 1 Feb 2026 to 31 Jan 2027
Corporation tax payment
1 Nov 2027
in 384 days
9 months and 1 day after the period end
Confirmation statement
6 Aug 2027
in 297 days
Last made up to 23 Jul 2026

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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 £40K (-24.1%) on the year before, to -£207K.
  • Net assets rose in 2 of 6 year-on-year comparisons on record.
  • Current assets of £52K against £259K owed within a year: 0.2 times cover.
  • 1 employee on average, down from 2 the year before.
  • Balance sheets on record for 7 years, 2020 to 2026.

Net assets by year

Net assets at each year end, 2020 to 2026-£200K-£100K£031 January 2020: net assets -£2,291-£2,291202031 January 2021: net assets -£39K-£39K202131 January 2022: net assets -£125K-£125K202231 January 2023: net assets -£112K-£112K202331 January 2024: net assets -£187K-£187K202431 January 2025: net assets -£167K-£167K202531 January 2026: net assets -£207K-£207K2026
Net assets at each year end, 2020 to 2026-£200K-£100K£031 January 2020: net assets -£2,291-£2,291'2031 January 2021: net assets -£39K-£39K'2131 January 2022: net assets -£125K-£125K'2231 January 2023: net assets -£112K-£112K'2331 January 2024: net assets -£187K-£187K'2431 January 2025: net assets -£167K-£167K'2531 January 2026: net assets -£207K-£207K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jan 2026-£207K£52K£259K1
31 Jan 2025-£167K£79K£246K2
31 Jan 2024-£187K£23K£210K2
31 Jan 2023-£112K£78K£190K2
31 Jan 2022-£125K£28K£153K2
31 Jan 2021-£39K£3,607£42K2
31 Jan 2020-£2,291£153£2,4441

Where Oxsparks Heating and Electrical Limited is registered

Oxsparks Heating and Electrical Limited's registered office on a map of the UK

The registered office is in Watford (WD18), in the Watford local authority area, East of England. Show WD18 6PQ on a map.

Other trade companies in WD18

Also registered at this address

1 other company uses the same registered office as Oxsparks Heating and Electrical Limited.

What happens if Oxsparks Heating and Electrical 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 October 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Nov 2027 to 30 Nov 2027£150
1 to 3 months late1 Dec 2027 to 31 Jan 2028£375
3 to 6 months late1 Feb 2028 to 30 Apr 2028£750
More than 6 months lateFrom 1 May 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Feb 2028£200
3 months late30 Apr 2028another £200
6 months late31 Jul 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jan 2029another 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
11758923
Status
Active
Company type
Private limited company
Incorporated
10 January 2019 (7 years ago)
Registered office
C/O Konsio Cca; 196, Croxley View, Watford, Hertfordshire, WD18 6PQ
Nature of business
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Agents specialized in the sale of other particular products (SIC 46180)
Activities of tourist guides (SIC 79901)
Year end
31 January (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 January 2026
Last confirmation statement
23 July 2026
Previous names
Inovat Energy Technology Limited (until 1 Jul 2025)

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 Watford

Other active electrical contractors registered in Watford.

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

Frequently asked questions

When are Oxsparks Heating and Electrical Limited's accounts due?

Oxsparks Heating and Electrical Limited's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.

When is Oxsparks Heating and Electrical Limited's CT600 due?

The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.

Is Oxsparks Heating and Electrical Limited still trading?

Oxsparks Heating and Electrical 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 Oxsparks Heating and Electrical Limited do?

Oxsparks Heating and Electrical Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Agents specialized in the sale of other particular products (SIC 46180); Activities of tourist guides (SIC 79901).

How old is Oxsparks Heating and Electrical Limited?

Oxsparks Heating and Electrical Limited was incorporated on 10 January 2019, 7 years ago.

What is the penalty if Oxsparks Heating and Electrical 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 Oxsparks Heating and Electrical Limited 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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