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  4. Proper Built Ltd

Proper Built Ltd

ActiveMicro-entity accountsFinishing tradesLondon
Company number
09610439
Incorporated
27 May 201511 years trading
Registered office
190A Whittington Road, London, N22 8YL
Nature of business
Other building completion and finishing
Accounts due in
139 days
28 Feb 2027
Net assets
£15K▲
+290.9% on the year before
Employees
1
Average during the year
From the Companies House register, 1 Oct 2026

Proper Built Ltd is a 11-year-old private limited company registered in London, company number 09610439, one of 3,947 building finishing companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.

Key dates

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

Accounts due
28 Feb 2027
in 139 days
For the period to 31 May 2026
CT600 due
31 May 2027
in 231 days
Period 1 Jun 2025 to 31 May 2026
Corporation tax payment
1 Mar 2027
in 140 days
9 months and 1 day after the period end
Confirmation statement
10 Jun 2027
in 241 days
Last made up to 27 May 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 up £11K (+290.9%) on the year before, to £15K.
  • Net assets rose in 7 of 9 year-on-year comparisons on record.
  • Current assets of £32K against £866 owed within a year: more than 10 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-£10K£0£10K31 May 2016: net assets £3,768£3,768201631 May 2017: net assets £7,068£7,068201731 May 2018: net assets £8,824£8,824201831 May 2019: net assets £11K£11K201931 May 2020: net assets £13K£13K202031 May 2021: net assets £4,149£4,149202131 May 2022: net assets -£12K-£12K202231 May 2023: net assets -£5,087-£5,087202331 May 2024: net assets £3,897£3,897202431 May 2025: net assets £15K£15K2025
Net assets at each year end, 2016 to 2025-£10K£0£10K31 May 2016: net assets £3,768£3,768'1631 May 2017: net assets £7,068£7,068'1731 May 2018: net assets £8,824£8,824'1831 May 2019: net assets £11K£11K'1931 May 2020: net assets £13K£13K'2031 May 2021: net assets £4,149£4,149'2131 May 2022: net assets -£12K-£12K'2231 May 2023: net assets -£5,087-£5,087'2331 May 2024: net assets £3,897£3,897'2431 May 2025: net assets £15K£15K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 May 2025£15K£32K£8661
31 May 2024£3,897£30K1
31 May 2023-£5,087£26K£11
31 May 2022-£12K£29K1
31 May 2021£4,149£54K£3191
31 May 2020£13K£14K£5851
31 May 2019£11K£11K£4391
31 May 2018£8,824£9,235£411
31 May 2017£7,068£7,885£817
31 May 2016£3,768£5,091£1,323

Where Proper Built Ltd is registered

Proper Built Ltd's registered office on a map of the UK

The registered office is in London (N22), in the Enfield local authority area, London. Show N22 8YL on a map.

Other trade companies in N22

Also registered at this address

1 other company uses the same registered office as Proper Built Ltd.

What happens if Proper Built 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 28 February 2027.

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

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

HMRC (CT600)FromPenalty
1 day late1 Jun 2027£200
3 months late31 Aug 2027another £200
6 months late30 Nov 2027HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 May 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
09610439
Status
Active
Company type
Private limited company
Incorporated
27 May 2015 (11 years ago)
Registered office
190A Whittington Road, London, N22 8YL
Nature of business
Other building completion and finishing (SIC 43390)
Year end
31 May (accounting reference date)
Accounts type
Micro-entity
Last accounts made up to
31 May 2025
Last confirmation statement
27 May 2026

Filing notes for building finishing companies

Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.

Similar companies in London

Other active building finishing companies registered in London.

All building finishing companies in London · All trades in London · Finishing trades across the UK

Frequently asked questions

When are Proper Built Ltd's accounts due?

Proper Built Ltd's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.

When is Proper Built Ltd's CT600 due?

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

Is Proper Built Ltd still trading?

Proper Built 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 Proper Built Ltd do?

Proper Built Ltd is registered under Other building completion and finishing (SIC 43390).

How old is Proper Built Ltd?

Proper Built Ltd was incorporated on 27 May 2015, 11 years ago.

What is the penalty if Proper Built 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 Proper Built 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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