RAPTOR ROOFING & CONSTRUCTION LTD

Extend Your Brentwood Home Confidently

Short on space at home? An extension can transform how you use your rooms without moving. We take care of the roofing, brickwork and carpentry that make the new area weatherproof and usable, and coordinate any other trades on site. Start by telling us which rooms you want to add and how you currently use the space so we can suggest practical next steps.

DISCUSS YOUR PROJECT EXPLORE SERVICES
House Extensions in BrentwoodHERTFORDSHIRE / ESSEX / LONDON

AN INTRODUCTION / 06

Smart Extensions To Enhance Your Space

Adding an extension to your Brentwood house is a major decision. Begin with how you want to use the new space, then consider site constraints, access and the practical implications for structure and services.

Working out scale and siting is the next move once you know you need more living area. We assess whether a single‑storey rear, two‑storey addition, side return or wraparound layout best meets your brief and flag practical constraints — foundations, roof junctions, drainage and rerouting services — that affect cost and buildability. Where permissions or specialist designs may be needed, we explain what to expect and who to involve before you commit.

EXPLORE THE OPTIONS

OUR SERVICES / 06

Types of Extensions Available

Deciding which extension suits your home depends on garden size, boundary positions and internal layout. We cover the roofing, brickwork and carpentry elements on common extension forms so you can see how each type affects structure, weatherproofing and internal fit-out.

01 / 05HOUSE EXTENSIONS

Single-Storey Extensions

Want extra ground‑floor space for a kitchen, dining area or accessible bedroom? A single‑storey rear or side extension is a practical solution and we handle foundations, external walls, roof tie‑ins and the new covering so the addition is weatherproof and thermally compliant. Early checks include drainage routes, neighbour boundaries and access for deliveries, and we’ll show where structural openings join the existing house and which follow‑on trades you’ll need.

ENQUIRE ABOUT THIS SERVICE
02 / 05HOUSE EXTENSIONS

Double-Storey Extensions

When you need extra bedrooms or a bathroom, a two-storey extension increases floor area without reducing garden space. We carry out the structural carpentry, brickwork interfaces and roof works that make the new upper floor secure and watertight. Important considerations are how loads transfer into foundations, how the existing roof ties in, and the impact on stair routing and services. We coordinate with engineers or architects you appoint to make sure drawings translate cleanly to site.

ENQUIRE ABOUT THIS SERVICE
03 / 05HOUSE EXTENSIONS

Rear Extensions

A rear extension opens up living space directly from your existing rooms and often improves flow between kitchen and garden. We focus on the external wall work, roofing junctions and any new gutters or downpipes needed to manage run-off. Boundary proximity, natural light and the relationship to neighbours are practical factors that influence design and construction sequencing. We’ll set out how we plan deliveries and protect the rest of the house during works.

ENQUIRE ABOUT THIS SERVICE
04 / 05HOUSE EXTENSIONS

Side Extensions

A side extension can widen a room, add an entrance hall or create a new ground-floor suite. We plan for limited side access and work around constraints such as driveways or existing utility runs. Fire-stopping, insulation and party-wall considerations often apply, so we explain these early and work with any neighbour agreements required. On site, we sequence brickwork and roofing to minimise exposure of the existing house to the weather.

ENQUIRE ABOUT THIS SERVICE
05 / 05HOUSE EXTENSIONS

Wraparound Extensions

A wraparound extension that joins side and rear works gives generous internal space but needs careful detailing at roof junctions. We resolve complex roof connections, maintain continuous damp‑proofing and adjust drainage so water doesn't collect where old and new structures meet. A detailed site survey lets us propose reliable connections to the existing fabric and set a clear scope for follow‑on trades.

ENQUIRE ABOUT THIS SERVICE

OUR PROCESS / FOUR STAGES

Understanding the Extension Process

A successful extension depends on clear steps from survey through to handover. We set out the practical stages that affect cost and disruption so you can decide when to proceed and who else to involve, such as structural engineers or an architect.

  1. STAGE / 0101 — 04
    01

    Initial Assessment and Design

    Start by describing the space you want and sending photos and rough measurements. We’ll review those details and, where needed, carry out a measured survey to confirm boundaries, access and existing roof/wall junctions. From that we produce a scope that identifies structural work, roofing changes, and the trades required so you can understand likely build complexity before detailed drawings are prepared.

  2. STAGE / 0202 — 04
    02

    Permissions and Technical Checks

    Identify whether your proposal needs planning permission or whether it can proceed under permitted development; building regulations always apply. We’ll point out where a structural engineer’s calculations or a party‑wall process are likely to be needed and advise how those inputs affect the construction spec. If you already have an architect, we coordinate with them so technical drawings align with the practical site approach.

  3. STAGE / 0303 — 04
    03

    Site Preparation and Foundations

    Groundworks start with excavation and foundations sized for the new loads; this stage sets the long‑term stability of the extension. We protect existing gardens and house elements, organise material deliveries and set up safe storage. Any required drainage alterations and utility diversions are completed before walls go up so that follow-on trades can work without interruption.

  4. STAGE / 0404 — 04
    04

    Construction and Finishing

    Once walls and roof are in place, we complete roofing, external finishes and windows to make the space weatherproof. Internal carpentry, insulation, plumbing and electrics follow, coordinated to avoid clashes and rework. We keep you informed about access arrangements and practical impacts so you can plan daily life during works, and we deliver a written snag list for final sign‑off when the job is complete.

WHY CHOOSE RAPTOR / WHAT MATTERS

Why Choose Us for Extensions

Choosing a team that can manage roofing, brickwork and carpentry together reduces the number of handovers on site. We act as a single point of contact for those elements and explain clearly what each phase involves so you can make decisions with practical knowledge.

01

Coordinated Multi-Trade Work

To reduce trade handovers, we manage roofing, masonry and carpentry on the same schedule so junctions between old and new work are dealt with in sequence. That approach limits gaps in responsibility for weatherproofing, structural ties and finishings and keeps the project coherent from foundation up. A single point of coordination helps avoid unnecessary rework where trades meet.

02

Clear Technical Guidance

We explain structural implications, likely building‑regulation checkpoints and common site constraints that affect cost and buildability. When a specialist input is needed, we work with the architect or engineer you appoint so drawings and on‑site practice match, avoiding the mismatches that can add time and expense later.

03

Practical, Straightforward Delivery

We set out what will happen on site, the likely access and storage arrangements, and the trades we will manage. That focus on practical delivery helps you plan around disruption and gives a realistic basis for choosing finishes, heating or lighting upgrades that are best done while the extension is open to other trades.

INSIGHT / Informed Extension Choices

Planning Your House Extension Considerations and Constraints

Expanding your home is about matching ambition with what the plot and existing building will accept. Early decisions on layout, size and how the new space ties into services determine cost and future usability.

01 / EXPLAINED

Assessing Your Property and Needs

Not sure whether to move or extend? Start by listing how you use each room and what you want to change, because a larger kitchen, a ground‑floor bedroom or a family room all require different layouts and services. Measure available footprint and note access for materials and trades — narrow streets or restricted driveways affect logistics and cost — and check boundaries and potential party‑wall needs. Think about daylight and privacy for both properties, whether you want a level threshold to the garden, and factor future maintenance: simpler roof forms reduce upkeep, while complex junctions need meticulous detailing at build stage. Early professional input helps identify likely foundation requirements, roof‑tie strategies and where insulation upgrades will give most benefit.

02 / EXPLAINED

Planning Permission and Building Control

Before you spend on designs, clarify whether the proposed extension needs planning permission or can proceed under permitted development. Permitted development has strict size and siting limits; stepping beyond those usually triggers a full planning application. Building regulations focus on structure, fire safety, thermal performance and ventilation and apply regardless of planning status. Structural engineers will confirm the foundation and support requirements for two‑storey works, and a ground‑condition report may be necessary where foundations lie over difficult soils. For side or party‑line works, the party‑wall process can regulate neighbour notification and working methods. Drainage connections and rainwater management are often overlooked; connecting new downpipes and avoiding overloading shared drains are practical steps that prevent costly remedial work. We’ll outline who needs to be involved for each consent so you can budget and sequence the technical inputs.

03 / EXPLAINED

Construction Realities and Practicalities

Projects move through clear stages: foundations, new walls, roofing, first‑fix services and finishing trades. Protecting the rest of the house from dust and water from day one is essential, using temporary screens, dust sheets, sealed doorways and controlled access. Junctions where new and old roofs meet demand correct flashing, membranes and falls for drainage to reduce leak risk. Where access is tight, we can suggest staged deliveries, on‑site storage plans or alternative plant; talk to neighbours about parking and noisy periods, and decide floor levels, window reveals and service routes before plastering starts to avoid costly changes later.

AREAS WE SERVE

Serving Brentwood and Nearby Towns

We carry out extension work across Brentwood and also cover nearby towns including Billericay, Chelmsford and Chigwell in Essex. If your property sits within those areas, tell us the postcode and brief details so we can confirm practical next steps for your project.

DISCUSS YOUR LOCATION
01 / COUNTYHertfordshire
02 / COUNTYEssex
03 / REGIONLondon

START THE CONVERSATION

Tell us about the job and we will take a look

Send us a few photographs and your postcode using the form, or give us a call. We will come back to you, arrange a survey where one is needed, and set out in writing what we recommend and why before any work is agreed.

07803 569220 info@raptor-roofing.co.uk
EXTENSIONS / ENQUIRY DETAILS01 — 05

Tell us about your project.

Send your project details to Raptor using the form below.

Your enquiry will be sent securely through this website.

QUESTIONS / HOUSE EXTENSIONS

Common Questions About House Extensions

Homeowners often ask about permissions, disruption, costs and who handles technical checks. Below are practical answers to typical queries and guidance on what to prepare before you ask for a site visit or quote.

ASK ANOTHER QUESTION
01Do I always need planning permission for a house extension in Brentwood?

Not always. Some small single‑storey rear extensions can fall under permitted development if they meet size, height and neighbour‑impact rules. Two‑storey works, larger footprints or properties in protected areas are more likely to need a planning application to Brentwood Borough Council. Tell us the proposed dimensions and site context and we’ll flag likely planning implications so you can consult a planning agent if necessary.

02What should I send you before a survey?

Send clear photos of the front, rear and any side elevations, a sketch showing room use and garden depth, and your postcode. That information lets us assess access, likely roof and wall junctions and whether a measured survey or engineer’s input will be required. It also helps us give a realistic scope for the work before arranging an on‑site visit.

03Will the extension disrupt our daily life?

Yes, construction causes noise, dust and temporary changes to access. We plan deliveries and set protection for interiors to limit impact, and we agree practical working windows and parking arrangements with you. Discuss any special needs early — for example, if someone at home needs quiet periods — so we can adapt phasing where possible and keep disruption managed.

04Who handles the structural design and party wall matters?

We work with structural engineers and the planning professionals you appoint and will explain when their input is needed. For works adjacent to a neighbour, a party‑wall process may be required; we’ll outline that requirement and what information you need to start the process, but the formal notices and agreements are arranged through the building owner or their appointed surveyor.

05How do you manage roof junctions between old and new structures?

We prioritise waterproofing and correct falls where new roof areas meet existing fabric. That means careful flashing, appropriate upstands, and ensuring gutters and downpipes are reconfigured to avoid pooling. On complex junctions we specify materials and detailing that suit the build and arrange the sequence so weather protection is in place as soon as possible.

06What practical site constraints commonly add cost?

Limited access for deliveries, narrow on‑street parking, difficult ground conditions and the need for party‑wall agreements are frequent cost drivers. Changes discovered once work starts — such as poor foundations or concealed services — also add expense. Early measured surveys and a realistic contingency in your budget reduce the risk of unwelcome surprises.