- Companies
- Installers
- Borehamwood
- CJS Building Maintenance Limited
CJS Building Maintenance Limited
- Company number
- 11066067
- Incorporated
- 15 Nov 20178 years trading
- Registered office
- Suite 115, Devonshire House, Manor Way, Borehamwood, Hertfordshire, WD6 1QQ
- Nature of business
- Other construction installation
CJS Building Maintenance Limited is a 8-year-old private limited company registered in Borehamwood, company number 11066067, one of 37 installation companies (insulation, lifts, shutters and similar) in Borehamwood. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £7,397 (+9.7%) on the year before, to £83K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £100K against £17K owed within a year: 5.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £83K | £100K | £17K | 1 | |
| 31 Aug 2024 | £76K | £117K | £41K | 1 | |
| 31 Aug 2023 | £73K | £130K | £57K | 1 | |
| 31 Aug 2022 | £75K | £145K | £70K | 1 | |
| 30 Nov 2021 | £75K | £136K | £61K | 1 | |
| 30 Nov 2020 | £54K | £97K | £43K | 1 | |
| 30 Nov 2019 | £37K | £84K | £47K | 1 | |
| 30 Nov 2018 | £18K | £65K | £47K |
Where CJS Building Maintenance Limited is registered
The registered office is in Borehamwood (WD6), in the Hertsmere local authority area, East of England. Show WD6 1QQ on a map.
Other trade companies in WD6
- Blackstone Builders LtdBuilders
- Clements Hall (Contracts) LtdFloor and wall tilers
- P & P Roofing & Guttering LimitedProperty developers
- Stern Landscaping LtdLandscapers and gardeners
- Complete Paint & Decor LtdPainters and decorators
- 1ST Response Plumbing and Heating LimitedPlumbers and heating engineers
- Ideal Casa Construction LtdInstallers
- Gallop Construction LimitedBuilders
Also registered at this address
9 other companies use the same registered office as CJS Building Maintenance Limited.
- C J Smiths Builders LimitedProperty developers
- Escott Landscape Development LtdSpecialist contractors
- G & S Heating Engineering LimitedPlumbers and heating engineers
- Gasco&Built Ltd.Plumbers and heating engineers
- J M Harji Construction LimitedSpecialist contractors
- London Code.MB LtdMechanics and garages
- Sharia Homes LimitedProperty developers
- Sterling Contracts LimitedFacilities management
- Zincha Construction LimitedInstallers
What happens if CJS Building Maintenance 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 11066067
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 November 2017 (8 years ago)
- Registered office
- Suite 115, Devonshire House, Manor Way, Borehamwood, Hertfordshire, WD6 1QQ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 14 November 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Borehamwood
Other active installation companies (insulation, lifts, shutters and similar) registered in Borehamwood.
- Classwork Property Services Ltd2014
- CV Installations Ltd2024
- Dany Home Construction Ltd2022
- Dara Enterprises Limited2024
- Driver Dry Lining Ltd2025
- Fredi Tiling Ltd2018
- G Carpentry Ltd2024
- Goodjobrigging Limited2024
All installation companies (insulation, lifts, shutters and similar) in Borehamwood · All trades in Borehamwood · Installers across the UK
Frequently asked questions
When are CJS Building Maintenance Limited's accounts due?
CJS Building Maintenance Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is CJS Building Maintenance Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is CJS Building Maintenance Limited still trading?
CJS Building Maintenance 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 CJS Building Maintenance Limited do?
CJS Building Maintenance Limited is registered under Other construction installation (SIC 43290).
How old is CJS Building Maintenance Limited?
CJS Building Maintenance Limited was incorporated on 15 November 2017, 8 years ago.
What is the penalty if CJS Building Maintenance 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 CJS Building Maintenance 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.