- Companies
- Finishing trades
- Rickmansworth
- Graphene Design & Build Limited
Graphene Design & Build Limited
- Company number
- 10017288
- Incorporated
- 20 Feb 201610 years trading
- Registered office
- 83 High Street, Rickmansworth, WD3 1EF
- Nature of business
- Other building completion and finishing; Management of real estate on a fee or contract basis
Graphene Design & Build Limited is a 10-year-old private limited company registered in Rickmansworth, company number 10017288, one of 31 building finishing companies in Rickmansworth. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £4,470 (+3.2%) on the year before, to £144K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £233K against £95K owed within a year: 2.4 times cover.
- 4 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £144K | £233K | £95K | 4 | |
| 29 Feb 2024 | £140K | £188K | £74K | 4 | |
| 28 Feb 2023 | £129K | £192K | £83K | 4 | |
| 28 Feb 2022 | £69K | £163K | £95K | 4 | |
| 28 Feb 2021 | £64K | £111K | £49K | 4 | |
| 29 Feb 2020 | £64K | £89K | £28K | 4 | |
| 28 Feb 2019 | £17K | £65K | £52K | ||
| 28 Feb 2018 | £7,703 | £55K | £51K | ||
| 28 Feb 2017 | £6,317 | £36K | £35K |
Where Graphene Design & Build Limited is registered
The registered office is in Rickmansworth (WD3), in the Three Rivers local authority area, East of England. Show WD3 1EF on a map.
Other trade companies in WD3
- DB Roofing Services LtdRoofers
- Ijesha Real Estate LtdProperty developers
- Aa Estate Developers LtdProperty developers
- DW17 LimitedProperty developers
- Twelve Construct LtdProperty developers
- Mill End Motor Company LtdMotor traders
- Daf Construction Services LtdBuilders
- J&V Customs LtdMechanics and garages
What happens if Graphene Design & Build 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 10017288
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 February 2016 (10 years ago)
- Registered office
- 83 High Street, Rickmansworth, WD3 1EF
- Nature of business
- Other building completion and finishing (SIC 43390)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 1 March 2026
- Previous names
- Northwood Design & Build Ltd (until 20 Sep 2021)
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 Rickmansworth
Other active building finishing companies registered in Rickmansworth.
- Harrow Windows Limited2015
- Jason Bradshaw Interiors Limited2004
- L Cristea Building Services Limited2022
- Lewis Construction Ltd2015
- London Property Maintenance Services Ltd2026
- Matt Master Construction Ltd2023
- MSC Refurbishments Ltd2021
- Northwood Windows & Doors Ltd2021
All building finishing companies in Rickmansworth · All trades in Rickmansworth · Finishing trades across the UK
Frequently asked questions
When are Graphene Design & Build Limited's accounts due?
Graphene Design & Build Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Graphene Design & Build Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Graphene Design & Build Limited still trading?
Graphene Design & Build 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 Graphene Design & Build Limited do?
Graphene Design & Build Limited is registered under Other building completion and finishing (SIC 43390); Management of real estate on a fee or contract basis (SIC 68320).
How old is Graphene Design & Build Limited?
Graphene Design & Build Limited was incorporated on 20 February 2016, 10 years ago.
What is the penalty if Graphene Design & Build 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 Graphene Design & Build 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.