- Companies
- Specialist contractors
- Amersham
- Adept Building Services Limited
Adept Building Services Limited
- Company number
- 03204392
- Incorporated
- 28 May 199630 years trading
- Registered office
- 1 Chiltern Business Centre, 63-65 Woodside Road, Amersham, Buckinghamshire, HP6 6AA
- Nature of business
- Other specialised construction activities n.e.c.
Adept Building Services Limited is a 30-year-old private limited company registered in Amersham, company number 03204392, one of 13 specialist construction companies in Amersham. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 £48K (+540.8%) on the year before, to £39K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £62K against £38K owed within a year: 1.7 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £39K | £57K | £62K | £38K | 3 |
| 31 May 2025 | -£8,896 | £8,656 | £26K | £16K | 3 |
| 31 May 2024 | £71K | £73K | £78K | £33K | 3 |
| 31 May 2023 | £78K | £93K | £97K | £51K | 3 |
| 31 May 2022 | £48K | £62K | £81K | £68K | 3 |
| 31 May 2021 | £58K | £68K | £80K | £60K | 3 |
| 31 May 2020 | £61K | £64K | £76K | £49K | 3 |
| 31 May 2019 | £43K | £105K | £119K | £101K | 4 |
| 31 May 2018 | £13K | £73K | £92K | £103K | 4 |
| 31 May 2017 | £4,616 | £9,077 | £27K | £48K | 3 |
Where Adept Building Services Limited is registered
The registered office is in Amersham (HP6), in the Buckinghamshire local authority area, South East. Show HP6 6AA on a map.
Other trade companies in HP6
- An Design & Build LtdBuilders
- Coran Air Conditioning Solutions LtdPlumbers and heating engineers
- Coverplan Heating and Plumbing Services LtdPlumbers and heating engineers
- Samagra Developments LtdProperty developers
- Timmax LimitedCleaning companies
- Oliver Charles Garden Design&Build LtdBuilders
- JS Local Plumbing and Heating LtdPlumbers and heating engineers
- JSB & Son LimitedJoiners and carpenters
Also registered at this address
6 other companies use the same registered office as Adept Building Services Limited.
- Bolster Construction LimitedSpecialist contractors
- Paul J O'Reilly LimitedProperty developers
- Ship Shape Cleaning (London) LtdCleaning companies
- T.P.R. Mechanical Services LimitedPlumbers and heating engineers
- Terence Trustram LtdMachinery repair and installation
- Warmur LimitedSpecialist contractors
What happens if Adept Building Services 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 03204392
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 May 1996 (30 years ago)
- Registered office
- 1 Chiltern Business Centre, 63-65 Woodside Road, Amersham, Buckinghamshire, HP6 6AA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 6 May 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Amersham
Other active specialist construction companies registered in Amersham.
- Bolster Construction Limited2004
- Cereda Concrete Service Ltd2019
- Gsi Contract Services Limited2005
- Gsi Fire Protection Limited2018
- Landsdowne Design and Build Limited2011
- Lightwater Property Services Ltd2019
- Mikron Environmental Services Limited2008
- Right Track Installations Limited2016
All specialist construction companies in Amersham · All trades in Amersham · Specialist contractors across the UK
Frequently asked questions
When are Adept Building Services Limited's accounts due?
Adept Building Services Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Adept Building Services Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Adept Building Services Limited still trading?
Adept Building Services 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 Adept Building Services Limited do?
Adept Building Services Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Adept Building Services Limited?
Adept Building Services Limited was incorporated on 28 May 1996, 30 years ago.
What is the penalty if Adept Building Services 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 Adept Building Services 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.