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  4. Don Builders Limited

Don Builders Limited

ActiveMicro-entity accountsElectriciansEdgware
Company number
09131850
Incorporated
15 Jul 201412 years trading
Registered office
45 Stanway Gardens, Edgware, Middlesex, HA8 9LN
Nature of business
Electrical installation; Plumbing, heat and air-conditioning installation; Plastering; Floor and wall covering
Accounts due in
200 days
30 Apr 2027
Net assets
£515▲
+787.9% on the year before
Employees
1
Average during the year
Checked with Companies House 12 Oct 2026

Don Builders Limited is a 12-year-old private limited company registered in Edgware, company number 09131850, one of 71 electrical contractors in Edgware. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.

Key dates

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

Accounts due
30 Apr 2027
in 200 days
For the period to 31 Jul 2026
CT600 due
31 Jul 2027
in 292 days
Period 1 Aug 2025 to 31 Jul 2026
Corporation tax payment
1 May 2027
in 201 days
9 months and 1 day after the period end
Confirmation statement
29 Jul 2026
Overdue by 75 days
Last made up to 15 Jul 2025

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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 £457 (+787.9%) on the year before, to £515.
  • Net assets rose in 2 of 9 year-on-year comparisons on record.
  • Current assets of £2,035 against £1,748 owed within a year: 1.2 times cover.
  • 1 employee on average during the year.
  • Balance sheets on record for 10 years, 2016 to 2025.

Net assets by year

Net assets at each year end, 2016 to 2025£0£1,000£2,00031 July 2016: net assets £1£1201631 July 2017: net assets £1£1201731 July 2018: net assets £1£1201831 July 2019: net assets £1£1201931 July 2020: net assets £1£1202031 July 2021: net assets £1£1202131 July 2022: net assets £2,220£2,220202231 July 2023: net assets £423£423202331 July 2024: net assets £58£58202431 July 2025: net assets £515£5152025
Net assets at each year end, 2016 to 2025£0£1,000£2,00031 July 2016: net assets £1£1'1631 July 2017: net assets £1£1'1731 July 2018: net assets £1£1'1831 July 2019: net assets £1£1'1931 July 2020: net assets £1£1'2031 July 2021: net assets £1£1'2131 July 2022: net assets £2,220£2,220'2231 July 2023: net assets £423£423'2331 July 2024: net assets £58£58'2431 July 2025: net assets £515£515'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Jul 2025£515£2,035£1,7481
31 Jul 2024£58£1,940£2,1681
31 Jul 2023£423£1,631£1,5661
31 Jul 2022£2,220£3,545£1,7731
31 Jul 2021£1£1
31 Jul 2020£1£1
31 Jul 2019£1£1
31 Jul 2018£1£1
31 Jul 2017£1£1
31 Jul 2016£1£1

Where Don Builders Limited is registered

Don Builders Limited's registered office on a map of the UK

The registered office is in Edgware (HA8), in the Barnet local authority area, London. Show HA8 9LN on a map.

Other trade companies in HA8

Also registered at this address

1 other company uses the same registered office as Don Builders Limited.

What happens if Don Builders 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 30 April 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 May 2027 to 31 May 2027£150
1 to 3 months late1 Jun 2027 to 31 Jul 2027£375
3 to 6 months late1 Aug 2027 to 31 Oct 2027£750
More than 6 months lateFrom 1 Nov 2027£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Aug 2027£200
3 months late31 Oct 2027another £200
6 months late31 Jan 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Jul 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
09131850
Status
Active
Company type
Private limited company
Incorporated
15 July 2014 (12 years ago)
Registered office
45 Stanway Gardens, Edgware, Middlesex, HA8 9LN
Nature of business
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Plastering (SIC 43310)
Floor and wall covering (SIC 43330)
Year end
31 July (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 July 2025
Last confirmation statement
15 July 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 Edgware

Other active electrical contractors registered in Edgware.

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

Frequently asked questions

When are Don Builders Limited's accounts due?

Don Builders Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.

When is Don Builders Limited's CT600 due?

The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.

Is Don Builders Limited still trading?

Don Builders Limited is listed as active on the Companies House register (checked 12 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 Don Builders Limited do?

Don Builders Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Plastering (SIC 43310); Floor and wall covering (SIC 43330).

How old is Don Builders Limited?

Don Builders Limited was incorporated on 15 July 2014, 12 years ago.

What is the penalty if Don Builders 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 Don Builders 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, rechecked 12 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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