1. Companies
  2. Builders
  3. London
  4. Mu Power Build Ltd

Mu Power Build Ltd

ActiveMicro-entity accountsBuildersLondon
Company number
16045851
Incorporated
28 Oct 20241 year trading
Registered office
96 Bulwer Road, London, N18 1QQ
Nature of business
Construction of commercial buildings; Construction of domestic buildings; Electrical installation
Accounts due in
291 days
31 Jul 2027
Net assets
£7
At 27 Oct 2025
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Mu Power Build Ltd is a 1-year-old private limited company registered in London, company number 16045851, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 July 2027, and its first CT600 is due at HMRC on 27 October 2027.

Key dates

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

Accounts due
31 Jul 2027
in 291 days
For the period to 31 Oct 2026
CT600 due (first of two)
27 Oct 2027
in 379 days
Period 28 Oct 2025 to 27 Oct 2026
CT600 due (second of two)
31 Oct 2027
in 383 days
Period 28 Oct 2026 to 31 Oct 2026
Corporation tax payment
1 Aug 2027
in 292 days
9 months and 1 day after the period end
Confirmation statement
10 Nov 2026
in 28 days
Last made up to 27 Oct 2025

Is this your company?

File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.

File for Mu Power Build Ltd

Or get a reminder before each deadline

Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.

Financial snapshot, 2025

From the balance sheet at 27 October 2025, as filed at Companies House.

Net assets
£7
Current assets
£45
Employees
1
Average during the year, including directors

Where Mu Power Build Ltd is registered

Mu Power Build Ltd's registered office on a map of the UK

The registered office is in London (N18), in the Enfield local authority area, London. Show N18 1QQ on a map.

Other trade companies in N18

What happens if Mu Power Build 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 July 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Aug 2027 to 31 Aug 2027£150
1 to 3 months late1 Sep 2027 to 31 Oct 2027£375
3 to 6 months late1 Nov 2027 to 31 Jan 2028£750
More than 6 months lateFrom 1 Feb 2028£1,500

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

HMRC (CT600)FromPenalty
1 day late1 Nov 2027£200
3 months late31 Jan 2028another £200
6 months late30 Apr 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Oct 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
16045851
Status
Active
Company type
Private limited company
Incorporated
28 October 2024 (1 year ago)
Registered office
96 Bulwer Road, London, N18 1QQ
Nature of business
Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Year end
31 October (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
27 October 2025
Last confirmation statement
27 October 2025

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies in London

Other active building contractors registered in London.

All building contractors in London · All trades in London · Builders across the UK

Frequently asked questions

When are Mu Power Build Ltd's accounts due?

Mu Power Build Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.

When is Mu Power Build Ltd's CT600 due?

The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 27 October 2026, due by 27 October 2027, and one for the period to 31 October 2026, due by 31 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.

Is Mu Power Build Ltd still trading?

Mu Power Build 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 Mu Power Build Ltd do?

Mu Power Build Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210).

How old is Mu Power Build Ltd?

Mu Power Build Ltd was incorporated on 28 October 2024, 1 year ago.

What is the penalty if Mu Power Build 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 Mu Power Build 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.

File accounts + CT600File now£49Let's talk