Design & Build — Residential

Extensions and renovations, designed and built by one team.

From first sketch to final handover, Ventra Projects manages your extension or renovation under a single contract. No separate architect, no separate builder, no gaps for things to fall through.

Coverage

Manchester & Greater Manchester

Contract

Design + build under one contract

Typical Timeline

10–16 weeks on site

Why Ventra

One team, accountable from planning drawings to the final coat of paint.

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01

Design & build, one contract

No handoff between an architect and a separate contractor. We design it, price it and build it, so the design accounts for real budget and buildability from day one.

02

Planning handled for you

Permitted development checks, planning applications and Building Regulations approval are managed as part of the process, not left for you to chase separately.

03

Fixed-scope quoting

A detailed quote before work starts, with any variations agreed in writing rather than discovered on invoice day.

04

One point of contact

A single project lead sees your job from first survey to final sign-off, not a rotating cast of subcontractors you have to manage yourself.

The Process

Four stages. The same team, start to finish.

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01 / 04

Consultation & survey

We visit the property, talk through what you want from the space and your budget, and take the measurements needed to start designing.

02 / 04

Design & approvals

Drawings are produced and refined with you, then taken through Permitted Development, planning or Building Regulations approval as the project requires.

03 / 04

Build

Our own site team manages the build, with a fixed point of contact reporting progress throughout.

04 / 04

Handover

Final sign-off, snagging and the Building Regulations completion certificate. The project is finished when it's fully signed off, not just when the trades leave site.

Recent Projects

Real extensions and renovations, from clients across Manchester.

View all projects
Rear dormer under construction in Failsworth

Rear Dormer Installation

Failsworth, Manchester

Size
18m²
Timeline
8 weeks
Full property renovation in Walkden

Full Property Renovation

Walkden, Manchester

Size
110m²
Timeline
16 weeks
Single-storey side extension in Monton

Single-Storey Side Extension

Monton, Manchester

Size
15m²
Timeline
8 weeks
Common Questions

Extensions & renovations, explained

Want a rough number first? Try the house extension cost guide or the planning permission checker.

Do I need planning permission for a house extension in Manchester?

Many single-storey rear extensions fall under Permitted Development and don't need a full planning application, provided they stay within set size and height limits. It isn't guaranteed, though: it depends on your property, and some areas of Manchester sit under Article 4 directions that remove permitted development rights entirely. We check this for every property during the initial consultation, before any design work starts.

What's the difference between a design and build company and hiring an architect separately?

With a separate architect and builder, the architect designs to a brief without full sight of build costs, and the builder then has to price and deliver someone else's design, which is where scope and budget disagreements usually start. A design and build company like Ventra does both under one contract, so the design is shaped around real, priced buildability from the first drawing and one team is accountable for the result.

How much does a house extension cost in Manchester?

Cost depends heavily on size, specification and structural complexity, so we give a detailed, itemised quote after the initial survey rather than a generic figure. Our house extension cost guide shows typical per-m² ranges, and a free consultation gets you a price for your specific project.

How long does a house extension take to build?

Most extensions take 10 to 16 weeks on site, depending on the scope of work and how quickly approvals come through. We set out a realistic schedule for your project before work starts, not after.

Do you handle Building Regulations approval?

Yes. Building Regulations approval is managed as part of the process, alongside any planning permission the project needs, so you're not left coordinating approvals between separate professionals.

Can I stay in my home during the renovation?

In most extension and renovation projects, yes. Work is usually contained to the area being built, and we agree access and any temporary disruption with you upfront. For larger full-property renovations it depends on scope, and we'll flag it clearly during the consultation if it applies to your project.

Get Started

Thinking about extending or renovating?

Book a free consultation and we'll survey the property, talk through what's possible and give you a clear next step. No obligation.

Reviews

What our clients say

Real feedback from homeowners and investors we've worked with across Manchester, pulled straight from Google, unedited.

Book a free consultation