House Extensions& Renovationsin Chelmsford
More space, a better home and one regular team from first quote to final handover.
- Home Extensions
- Single-Storey Extensions
- Property Renovations
- Kitchen Fitting
- Bathroom Installation
- Carpentry
- Bricklaying
- Landscaping
- Plumbing
- Patios & Paving
- Garden Walls
- Fencing
- Decking
- Brick Repointing
- Internal Joinery & Doors
11
Years' experience
1 year
Workmanship warranty
£2M
Public liability insurance
Free
No-obligation quotes
Get a Free Quote
Extensions & renovations
planned properly
An extension or renovation is one of the biggest investments you'll make in your home. You want it finished properly, on a clear price, by people who communicate clearly. That's how we aim to work: a small team with 11 years of trade experience, agreeing the scope before work starts.
- 11 years of trade experience
- A regular on-site team of 3–4 tradespeople
- Public liability insurance up to £2 million
- Every job backed by a 1-year workmanship warranty
Complete building services across Chelmsford & mid Essex
Home Extensions
Extra space designed around how your family lives, built by one regular team.
Home Extensions details
Single-Storey Extensions
Open-plan kitchens, living rooms and garden rooms, priced on quotation.
Single-Storey Extensions details
Property Renovations
Tired rooms turned into finished, modern spaces, planned stage by stage.
Property Renovations details
Kitchen Fitting
Precise, tidy kitchen installations from first fix to final trim.
Kitchen Fitting details
Bathroom Installation
Complete bathroom refits, including general plumbing and finishing.
Bathroom Installation details
Carpentry
Skilled first and second fix carpentry for extensions and renovations.
Carpentry details
Garden Walls
Strong, attractive garden walls that frame your outdoor space.
Garden Walls details
Brick Repointing
Repointing that protects your brickwork and restores its look.
Brick Repointing details
Internal Joinery & Doors
Doors, skirting, architrave and bespoke internal joinery.
Internal Joinery & Doors detailsAlso: Bricklaying · Landscaping · Plumbing · Patios & Paving · Fencing · Decking
Your extension or renovation,
made simple
- 01
Request a free quote
Call or send us a few details. We'll get back to you quickly to arrange a visit.
- 02
Site visit & quotation
We look at the space, talk through what you want and give you a clear written price.
- 03
Booking & build
No deposit on jobs under £1,000. Over £1,000, a deposit secures your date in the diary.
- 04
Final check & handover
We walk through the finished work with you, backed by a 1-year workmanship warranty.
A regular team
from day one to handover
Our regular on-site team of 3–4 tradespeople (depending on workload and season) covers carpentry, bricklaying, general plumbing, bathrooms and landscaping alongside full extensions and renovations.
You'll have one point of contact, Tom Mills, from your first call to the final walk-round. Any gas work is carried out by an associated, external Gas Safe registered engineer.
- Regular team of 3–4
- Multiple trades covered
- £2m insured
- Mon–Sat, 9am–5pm
11
Years on the tools
Proudly serving Chelmsford
& mid Essex
Do you charge for quotes?
No. Every quote is free and without obligation. We visit, listen to what you want and give you a clear written price.
Do I need to pay a deposit?
Jobs under £1,000 need no deposit. For jobs over £1,000, a deposit secures your start date in our diary.
Is your work guaranteed?
Yes. All of our workmanship comes with a 1-year warranty.
Are you insured?
Yes. We hold public liability insurance with cover up to £2 million.
Who will be working on my home?
Our regular on-site team of 3–4 tradespeople, depending on the size of the job and time of year.
Do you carry out gas work?
Any gas work is carried out by an associated, external Gas Safe registered engineer, not by Mills Construction directly.
Got questions?
We've got answers
Straight answers on quotes, deposits, insurance and guarantees. If your question isn't here, give us a call, we're happy to talk it through.
Ready to start your extension
or renovation? Let's talk.
Book a free site visit and get a clear, written quote, no pressure, no obligation.
Had work done by us? Leave a Google reviewHouse extensions in Chelmsford
Moving house is expensive and stressful. A well-built house extension gives you the extra room you need without leaving the area you love. Whether it's a single-storey kitchen extension, a larger open-plan living space or a garden room, we handle the build from groundworks and bricklaying through to carpentry, plumbing and the final finish.
Because our team covers several trades, there are fewer separate firms to coordinate. You get one clear quote, one point of contact and a finished extension backed by our 1-year workmanship warranty.
Home renovations across mid Essex
From full property renovations to new kitchens and bathrooms, we turn dated, tired rooms into spaces you'll enjoy using every day. We also take on individual jobs, fencing, decking, patios, garden walls, repointing and internal joinery, for homeowners in Chelmsford, Maldon, Witham, Billericay, Rayleigh and the surrounding Essex villages.
Every quote is free. Jobs under £1,000 need no deposit, and we hold public liability insurance with cover up to £2 million. Call 07548 636406 or request your free quote online today.