- Companies
- Finishing trades
- Biggin Hill
- An Improvement Limited
An Improvement Limited
- Company number
- 10240543
- Incorporated
- 20 Jun 201610 years trading
- Registered office
- 105 Bigginhill, Biggin Hill, London, SE19 3HX
- Nature of business
- Other building completion and finishing
An Improvement Limited is a 10-year-old private limited company registered in Biggin Hill, company number 10240543, one of 6 building finishing companies in Biggin Hill. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 £7,587 on the year before, to £7,972.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £14K against £7,057 owed within a year: 2.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £7,972 | £14K | £7,057 | 0 | |
| 30 Jun 2024 | £385 | £15K | £16K | 0 | |
| 30 Jun 2023 | £8,873 | £31K | £24K | 0 | |
| 30 Jun 2022 | £8 | £17K | £19K | 0 | |
| 30 Jun 2021 | £102 | £16K | £16K | 0 | |
| 30 Jun 2020 | £2,394 | £6,319 | £4,424 | 0 | |
| 30 Jun 2019 | £807 | £2,042 | £2,705 | 0 | |
| 30 Jun 2018 | £1,610 | £8,990 | £10K | ||
| 30 Jun 2017 | £6,685 | £19K | £17K |
Who runs and owns An Improvement Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** N*** | Director | Jun 2016 |
Person with significant control
Where An Improvement Limited is registered
The registered office is in Biggin Hill (SE19), in the Croydon local authority area, London. Show SE19 3HX on a map.
Other trade companies in SE19
- Peak Contractor Services LtdRoofers
- Adisco Engineering Plumbing and Gas LtdPlumbers and heating engineers
- Melo Development Partners LtdElectricians
- Via Alta Assets LimitedMechanics and garages
- Sekgro Groups LtdProperty developers
- BDB London LtdMachinery repair and installation
- Ibd Construction LtdSpecialist contractors
- Skylimit Facility Services LimitedFacilities management
What happens if An Improvement 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | another 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
- 10240543
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2016 (10 years ago)
- Registered office
- 105 Bigginhill, Biggin Hill, London, SE19 3HX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 October 2025
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 Biggin Hill
Other active building finishing companies registered in Biggin Hill.
- Ctu Interiors Ltd2016
- Dampworks Ltd2011
- Lobuild Contractors Ltd2011
- Man Contracts Limited2007
- Morris Marine Surveys Ltd2020
All building finishing companies in Biggin Hill · All trades in Biggin Hill · Finishing trades across the UK
Frequently asked questions
When are An Improvement Limited's accounts due?
An Improvement Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is An Improvement Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is An Improvement Limited still trading?
An Improvement 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 An Improvement Limited do?
An Improvement Limited is registered under Other building completion and finishing (SIC 43390).
How old is An Improvement Limited?
An Improvement Limited was incorporated on 20 June 2016, 10 years ago.
Who runs An Improvement Limited?
An Improvement Limited has 1 active director, the longest-serving appointed in Jun 2016. Their names and service addresses are on the Companies House register.
Who owns An Improvement Limited?
One person or company has significant control of An Improvement Limited: an individual (owns 75% or more of the shares).
What is the penalty if An Improvement 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 An Improvement Limited on Companies House for filed documents, officers and the full history.
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.