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TaC Architects Full architectural services in Spalding and surrounding villages of South Holland.

Before asking a builder to price a residential project, ask a more basic question: are we all pricing the same thing?An ...
12/10/2026

Before asking a builder to price a residential project, ask a more basic question: are we all pricing the same thing?

An outline design can be perfectly useful for an early budget. But when it comes to comparing detailed quotations, the quality of the information matters. A plan might show the room dimensions while leaving the awkward decisions open: a roof meeting an old wall, the level at a garden door, a steel hidden in a ceiling or the route for drainage and services.

Where those decisions are unresolved, contractors may need to make assumptions, include allowances or exclude parts of the work. Two prices can therefore look comparable on the front page while covering different scopes.

A coordinated package does not remove every unknown, particularly when working with an existing building. It makes the known decisions explicit and highlights what still needs investigating.

Before requesting detailed prices, check that the drawings, schedules and scope are telling the same story.

Illustrative design and construction studies — not actual TaC projects.

Before you redesign a house, record the house you actually have.A measured survey is not the glamorous part of a project...
09/10/2026

Before you redesign a house, record the house you actually have.

A measured survey is not the glamorous part of a project, but it is one of the foundations of reliable design. Existing houses are not always square, level or consistent: wall thicknesses can vary, floors can step, openings may have moved and previous alterations can make the building quite different from old drawings or assumptions.

A good survey gives the design team dependable base geometry for plans, sections, levels and openings. That matters when a new extension has to meet an existing wall, when roof lines need to connect, or when a proposed layout depends on a dimension that is tighter than it first appears.

A survey does not reveal everything. Concealed structure, foundations, drainage and hidden construction may still need opening-up or further investigation.

But getting the visible geometry right at the start removes a lot of avoidable uncertainty later.

If you are planning an extension or substantial remodelling project, TaC can help establish the existing building and develop the design from there.

Illustrative survey/design studies — not actual TaC projects.

Depth changes an elevation.One of the simplest ways to make a window feel properly integrated into a wall is to think ab...
07/10/2026

Depth changes an elevation.

One of the simplest ways to make a window feel properly integrated into a wall is to think about the reveal — not just the frame itself.

Set the opening back and the wall thickness becomes visible. The head, jamb and sill start to read as part of the composition, and the changing shadow gives the facade more depth throughout the day. A shallower recess can feel lighter; a deeper one can make the wall feel more solid and substantial.

There is no magic dimension and deeper is not automatically better. Wall build-up, weathering, materials, window position and the character of the building all matter.

The useful point is that the reveal should be designed, not simply left as whatever remains after the window has been positioned.

Illustrative design studies — not actual TaC projects.

Airtightness is not won by the pressure test. It is won at the junctions.For new dwellings in England that fall under th...
05/10/2026

Airtightness is not won by the pressure test. It is won at the junctions.

For new dwellings in England that fall under the 2026 Part L standards, the Approved Document is unusually clear: the drawings should identify the position, continuity and extent of the air barrier; key materials should be specified; service penetrations should be minimised and sealed; and every new dwelling should receive an air-pressure test.

That is a useful design lesson as well as a compliance point. The test happens near the end, but most of the result is determined much earlier — at the wall/floor junction, around windows and doors, where services cross the air barrier and at structural penetrations.

Airtightness works best when there is one continuous line that the designer, installer and site team can all follow.

Projects subject to earlier transitional standards may follow an earlier edition of Approved Document L.

Illustrative construction studies — not actual TaC projects.

The best extension is not always the biggest one you can fit on the site.A good extension starts with the problem the ex...
03/10/2026

The best extension is not always the biggest one you can fit on the site.

A good extension starts with the problem the existing house needs to solve: perhaps the kitchen is disconnected from the garden, circulation is awkward, daylight is poor or the family simply needs one room to work harder.

Adding floor area can help, but the new space also changes the rooms you already have. Depth affects daylight. Openings change views and movement. The position of glazing affects the relationship with the garden. And the junction between old and new can determine whether the addition feels considered or simply attached.

So before asking “how big can we make it?”, a better question is often “what does this house need to do better?”

That usually leads to a more useful brief — and often a better building.

Should an extension match the existing house or deliberately contrast with it?Neither approach is automatically better.M...
01/10/2026

Should an extension match the existing house or deliberately contrast with it?

Neither approach is automatically better.

Matching brick or masonry can make new work feel quiet and continuous, particularly where the original building should remain visually dominant. A contrasting material can make the addition clearly legible as something new — but contrast works best when the proportions, junctions and overall composition are controlled.

There is also a useful middle ground. Timber can introduce a different texture without competing with the existing masonry, while a lighter-toned brick can create separation without becoming visually loud.

The material decision therefore comes after a more important question: what relationship should the new work have with the original building?

Planning permission granted? Before the builder starts, read the decision notice.A planning approval is an important mil...
28/09/2026

Planning permission granted? Before the builder starts, read the decision notice.

A planning approval is an important milestone, but it is not always an unrestricted green light to begin work.

Conditions can control when information has to be agreed and when particular requirements must be met. Some are pre-commencement conditions — wording such as “no development shall take place until…” — and these need to be dealt with before development begins.

Other conditions may relate to materials, drainage, landscaping or details that need approval at a particular stage. The approved drawings and any subsequently discharged details should then remain part of the information the construction team is working from.

The useful habit is simple: once permission arrives, read the conditions in order and turn them into a project checklist before work starts.

If you have a planning approval and want help understanding what still needs to happen before construction, send us the decision notice.

A plan can tell you where things are. A visualisation can help you judge how they might feel.We use 3D visualisation as ...
25/09/2026

A plan can tell you where things are. A visualisation can help you judge how they might feel.

We use 3D visualisation as part of the design process, not simply as a polished image at the end.

A model makes it much easier to test questions that can be hard to judge from plans alone: does an extension feel too dominant; is the roof proportion right; do the materials work together; what will you see from the main living space; and how does the new work sit with the existing house and landscape?

The real value is being able to compare options while they are still easy to change.

A useful visualisation should help a client make a better design decision — not just make the project look attractive.

If you are planning a new home, extension or remodelling project, TaC 3D Studio can help you explore the design before it reaches site.

AI-generated illustrative design studies; these are not actual TaC projects.

A dormer should belong to the roof, not take it over.Dormers are useful because they can make roof space much more pract...
23/09/2026

A dormer should belong to the roof, not take it over.

Dormers are useful because they can make roof space much more practical, but their size and position have a big effect on how the whole building reads.

Make a dormer too wide, too high or too visually dominant and the original roof can start to disappear. A more restrained dormer usually works as a secondary element: enough roof remains visible around it, the opening relates to the elevation below, and the proportions feel deliberate rather than simply driven by the maximum internal space.

There is no single formula that works for every house. Roof pitch, building width, window positions, materials and the character of the original building all matter.

The useful test is simple: step back from the dormer itself and look at the whole elevation.

AI-generated illustrative design studies; these are not actual TaC projects or planning guidance.

The first design move is often not a drawing.Before we start testing layouts, we read the site. Where do you arrive? How...
21/09/2026

The first design move is often not a drawing.

Before we start testing layouts, we read the site. Where do you arrive? How does the sun move across it? Where are the neighbouring windows? Which views are worth opening towards — and which need more privacy? What do the levels, drainage routes, trees and boundaries tell us?

The point is not to solve everything before design begins. It is to understand the conditions that should shape the design, rather than dropping a building onto the site and dealing with the consequences afterwards.

A strong plan usually grows from the site: access influences arrival, neighbouring buildings influence openings, and levels or landscape can change where it makes sense to build.

Early site reading can save a surprising amount of redesign later.

Illustrative design studies; these are not actual TaC projects.

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Spalding
Spalding
PE113JA

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Thursday 9am - 5pm
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